csharp advanced

mspsoftddddd

!"#$%

mspsoftddddd

&'()*+,-+.+/(012+345467

8(49:+/-;-+'-;+=CD126E==+D9

8FA-;KRK!=D-/=+,S

T%"U"VT%"TUTel :

FWL=NFAW(.+/*34=DD;XX+

67Y7M9*3

D+DZ67G+[6L'\=6=2*3

3:

mspsoftddddd

3!S

J]^::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"T

!"#

$%&"'% (

)!*+

),-./

,-for./

,-0"1+for.(

"2+ 34

,-while33

,-do while3

)5!IF3

Else if36

Switch3#

)73(

mspsoftddddd

Math4

89

89:.

);#

,-foreach

?$>6

")@AB63

):>,CD6/

>!E6

@AB0#4

Get set#6

=!FG?$0"1+#/

HI!F#

I+J/

Dialogs/.

Timer/

System.Collections(

mspsoftddddd

)?7+!+?B(

System.Drawing((

K9L0"!#

PST+?/

PST+MD5.

FR"!BFU!!Q.3

)@AB>sysytem.io.6

UserControl.(

3.

GJ]DD'^:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"#V

V B3#

V B&+"3(

mspsoftddddd

GJ]!1+4_::::::^:::::::::"U"

System.Data.OleDb.

OleDbConnection3

OleDbCommand6

OleDbDataAdapterWXY

DataTableWXZ

!7>!HLH66

##

LINQ to SQL#(

!

Navigation.4

SiteMapPath...

FileUpload.3

AJAX.6

""P

/4-7B()*+E9+3+467

L=3D67(=E/4C+=+90K "2c!

Nb.^

"1]GNQab3^!> !"#$$%,B?BMc!

""";!P)T+>`)%C `_"1`]G>`>)`d`"!`BT` S`" ! "

#$$%$$%U9GB=gS")!B "T>F!Ha

!+I!B%S?B"1+R;09"")!B "T!@"

BF!H&aaR;"O2?H0"%```!"Qa`!`""\ `-G

";TT+dF!H&19a+-B)R;)O?B

+S!%D!BT?B+aG>"!="S0!+O%

1]RC)"h-NQab3^!> !"#$$%,B?BM+`d!H!`>`!

"d?B\f+ !>2;"!B"2*9")"!!>CB"',B`M

!9>""2"G\+B!+O ! " #$$%)dBS"!BTB

""a%+_`!` >"!B"`2``"`,`]``

NQab^"G,]=!F)!?B"1+I;0%!_B""!_T

mspsoftddddd

Nb^

)i$%C _"""!_"!a )O )!H+S9,B !M>

()h%C _"

!2?!> 0 =B !) " "dG)%C _" )>>U9g

)d""T,]=!FT)"!)B""!_!>!_=!FGH"!!>R""!_

!)>FB=!F;% IOa !>)"!_=!F!A7>R""!_C)CB"MG

9!9?BQCDk+_>""!_1]" 9!_fS"Ra""!B2 I;

)"?lC)G9!>,B%C _0"!B%M$$

mspsoftddddd

H*9"!B)OR;))"!%C _"A79*9CB"G+!)"

b6

%C _0R;m)%'%C _0R;%F*9)"!

!>?;9!9=B!)%!+I)!+O!k>*9""!_=!F!H)RO

?;I;TSG>B)d?;R;TC)TG*%NaQb6^C

G!+O?;""A7+_0?B\ -G?B)CB">B"D

OF)"C)%GB!)n"=2QCDG)"S)B>!%O"!_ !P

H!

$*0!G>CK9j!"!"1+o!H"2"

mspsoftddddd

0!G>9DApRdR"!B""1+%=0hB"!A7>R"!B"

"D=

+'0!G>H\f+)?>C9\f+j"1+q"

("raB0)!+?>9kSB%!C,!+?BG9!R0>9!G

?B)f!HA7_"!)"!M0"!M"1+G+S"G

+a?BsT")0>F!HQ7M)a,?+ B%C _" BR;

C)Q7"9!+?BG!C

?)I>sB"TI"!BI;0U9Tg)dIS7"I;%d"!

St,_%C _"B"!B)OQhFaS"!>BG+,

">"!P>!>! !B%>!+"G9>`!=!F

"@AB!),B!P"!B%MView codeNQa`b#^=`2``a?`!`"

Qa b/9%C _G"C !:! [2]

Qab#

Qab/FUu!Fj

)O)?a)%C _"B>>"QK1p`)@A`B`)f+BG>`,d"`I;

)dvT"!B

Qab(

Qa"BtC)b()O?B)f+B)f+BG>"!`PQ`d".net framework!`_

PB!9!+"I;+" [1]0`%B!9)f+BG`+`

!>+-"B! +d)jf"+S>"G+d`!P``)`f+BG

U9%""g+P$BG!T>R"d`FM`Qdll0 `"1+`R;0RC`!"T

?BT

Net framework

$%&"'%

cS?a9%&">)!B%9Bvisual studio+``!``?B

)f+B>"+d"0!_!)"!?!%&"!HG>wB`kKC!9

mspsoftddddd

)!>0?)f!CH)>%""C!B%G`+ !P`Q`DT+

CA7"!>"MQ7QDT+ xp`!""`

QDT+vista Win7C!"OVaD!%,D!GC!B% ?!>M`T+

xdQDHR;R;%+QDT+ RC)QDT+ !!`Q`Bp

?B0)>!+d"QDT+ !_!!?)"!HG*9QDT+ "!`B!

"C!R;!P"!9ScS?a99!H>""+%&"!P"``)QaOG

%")f0>%&"FB%G!Q9+G"!>F!n` `%

"+d"%&"L0!_!)"

"%&")QDT+ >99pkK!C)MkKTSDT+ ""!H!-T

! 9?P$T9"TG?! T?BT!>`+`!G+`

&+"!R0 "?;T B)R0B>!` c,c++

?;"H"!>! "!>R$%R;I;&+"!+O%I;

b3*+)!r

!>9!]"DyODg>"?QabQCD?BT+aG``

"&+"C)BT?BN;^T+d!H"POGwB!T`)fQ

?lC))BC)G>%AD"Qd"{ }"+B"999

b

mspsoftddddd

!>FBBG+)B% RC=!F@ABQd"?"AB;"G !`A7`T>!9` y`*+M`!

]"D:0g*+)!>"Qazt!Pb40!QCD?BT

b4

*+)!hQa"B!9CD&]y!?+ )>=!F@AB?"!)!Qd"

9?B"1+I;0TST!H*+GQd")!89NIOf"B>>)d?;89T

^!9?By"T"1+Q_890{d!P+ ?

+ar*+"!H=?C)!aCDa89Qd"N,^!9?By_T+)f89Qd"R;0T

*+?B"1+!TS*+%,!)"?*+,!"1+?a

mspsoftddddd

7r!>8C"D"B!_VB% a9"?B)"r

!>FBBG% CB"M!VB% a9M>!_!=!F)""D"CB"OFB

!?B8CT)>R"!B,CDGFBCB"&!% >,B`"CB"`?BM``%C `_0

properties0Event !> ,B?BM``9`,B"`M

d!FCB""?+_"""OFCB"GA7"!BG+`d!`H` +_0@`

>B"+"!CB">"!" "`!` +_`"

,B"!B!M0B!)n!"N"%89M^

private void button1_Click(object sender, EventArgs e)

{

}

"Qd")B|}"+!>B8C"D"R"!FB*+9"% !9!?By)"T

?B8CQ]-T\!U~*+Qd"!)"!_=!*+T!_VB% a9Qd"=!

)"0BQ7T!r


{

int i = 5;

int j = 7;

int add = i + j;

textBox1.Text = add.ToString();

}

mspsoftddddd

-F5 ,B?BM"!!9!>,BCB"?BM?B)OQ]-9

+ar!>9:Qintstring0ToString()"1+?B"R$T*+)!>y,+f

C9"Ta)"!_!PA7Tint "stringNS">)!+BB0^VaD!C9!_T

)"T

Charr

!>!9"!+BBy9!9GQCDk?BT

char i = 'a';

char j = 'z';

7r


{

char i = 'a';

textBox1.Text = i.ToString();

}

Stringr

)f!H+T>"!9?By!+0T"1+m??B7Tr


{

string i = "Computer";

textBox1.Text = i;

}

mspsoftddddd

+arR$Text!+:0VB% a9"%m?=0h!P0% ToString()?B"1+T

+ar!+R"!B8Cm??>]"DQ7R"!B8C%I;R""!_T)?B"7gr


{

string i = "Computer";

string j = "My : ";

textBox1.Text = j + i;

}

+ar!>9!+Qm?int"*+!P0)!Convert"1+?BTNr!++Sm?Qa

"+int?)!+a9BQ7"DRC.3!H%,~&]G.3m^

int mynumber = Convert.ToInt32("123");

double mynumber2 = Convert.ToDouble("33.43");

Int64 mynum = Convert.ToInt64("9223372036854775807");

string str = Convert.ToString(123);

textBox1.Text = mynum.ToString();

+ar&19int,int32,int64F!n"%I;%A7"int64 BF!nTC%%KR9"%

S"Q]"D: !$a?%&1+g+_B% ?]"D!"BM$Bg

)d!$"!BT"f>sF>!+O>?B*F-"T

mspsoftddddd

7rVB% a9"0"D"+F!H!UI;?B\)"!_=VB% a9"'!>G

VB% a9B)"!_1]"CB"M+d!Htext*9\!UCB")"!!H

+d9Label""!_text*9=""D"DI;)"!QaQ7b

b

!->\!UCB",B?BM0B?!


{

int num1 = Convert.ToInt32(textBox1.Text);

int num2 = Convert.ToInt32(textBox2.Text);

textBox3.Text = (num1 * num2).ToString();

}

!>9QLG9?BQCD

int num1 = int.Parse(textBox1.Text);

C)!!G> 9T Tr


{



double d3=(double)num1/num2;

textBox3.Text = d3.ToString();

}

mspsoftddddd

+ar+d!H"COD"DCODT_"""j0string.FormatG

]&"1+?Br



double d3=(double)num1/num2;

textBox3.Text = string.Format("{0:0.000}", d3);

!nTC BTC?""::!0"%""jC%F

:MaxMin

Int64 ..33/.43#(6//6(4(..33/.43#(6//6(4(-

float 34.(.3E+3834.(.3E+38b

double //#33(#.3.E+308 //#33(#.3.E+308b

char z abool false true Int16 3./#/ 3./#/b

Int Int32 ./(3#/./(3#(b

byte .6#4

mspsoftddddd

pictureBox:

!>R""!_!=!F"VaDMMpictureBox )"!_=!F"?9fS" R;0T

?B!->"VaDR""!_pictureBox"""L"a%C _0a?properties0

BackgroundImage VaD Mimport

?B

BackgroundImageLayoutStretch*9)"!

!p0Bz 9?BQCDQaG )VaD!

pictureBox1.BackgroundImage = Image.FromFile(@"c:\cat.jpg");

+ar%AD0"\B"1+9CI?9&]a,?\\&]@"\?B"1+

+d!HF?B"VaD!Q)"!_" !P?afO!?

pictureBox1.BackgroundImage = Image.FromFile("cat.jpg");

mspsoftddddd

+d!HGCU"F!QR+!!+"+"+d"R;")"!_R!P

"!> ! B" !B "2 kSd""!" ?+ )),-0"1+R9

"+"R)+d!HA7%dM"D?B8CT))9M"1+BG

;),-0=2H"!S"),-!H9)int!9y"!aaaT)

8C"!B"),-S?+ )&1+B,-G)d0"!wR;T,-Tfor

!9%&],-y0Qa!%

!],-G!!)""MQd"|}!R;&+""?B

,-"!BBB%&]GfO+?B":!2B0,-BTNh"!HA7

>)"i"D0!1]6"1+"!a,-T6!O^"S2?i!1]

mspsoftddddd

,-%!5!"?B!?%!_!5!B?G-Mi FU

?B!&+",-Qd""?B!h-,-""!Pi*9M!

%!_!5!T)0""!B?!?%]0!+a$BMGM"!P-Mi FU

,-"?B"09BG"%!_!5!B!?!],-G

7"r0!"D!8CT))9M!_VB% a9"Q]-?B)"

+ar0i9,-Qd""T?B"1+T


{

int sum = 0;

for (int i = 0; i < 1000; i++)

{

sum = sum + i;

}

textBox1.Text = sum.ToString();

//1+2+3+4+5+....+999

}

+Br!>U9!&%AD0?B"1++_T,%ADG>B!)"TR;!P

)f!B

!>,-!!)"8CQ]-a??!+?BListBoxO?;T!+?BM!R;0>=!F

)"!_hB*9QaG)"!r

int sum = 0;

for (int i = 0; i < 1000; i++)

{

listBox1.Items.Add(sum);

sum = sum + i;

}


mspsoftddddd

S"!BBVB% !)B%&]GM"!BFUR;R;T""My

!_H"!C"1+),-0!H"!BT)BG+T

listBox1.Items.Add(0);

listBox1.Items.Add(999);

Bh-*9QaG)"!?B!!r

int sum = 0;

for (int i = 0; i < 1000; i++)

{

listBox1.Items.Add("Sum = "+sum);

sum = sum + i;

}


-McomboBox)"!_1]"0B?! SR;&199C1VB% r

int sum = 0;

for (int i = 0; i < 1000; i++)

{

listBox1.Items.Add("Sum = "+sum);

comboBox1.Items.Add("Sum = " + sum);

sum = sum + i;

}


mspsoftddddd

7r)dT?!M "BTSM2+ VB% )=2'T

!> a? VB % a9 MS M)" !_ 1] " VB % !>,B =!F?B M9

"Loadd!F =!F "G_ " B =!F B ?B" ! )d h "

!?+_G=!F)d""SS)+VB% !,BVB% a9?BM 9 "TextChanged!FdB tC) "A_)O

"!F,B"CB"Md!F "!BR;T0"!!B>,BCB"?BMT

S"TextChanged0 !B">?B "VB% a9"T *9 R;!

)"T0Bh-\dR""!"TextChanged? r

private void textBox1_TextChanged(object sender, EventArgs e)

{

listBox1.SelectedIndex = listBox1.FindString(textBox1.Text);

}

?B!!-VB% a9"?B"!+BBMA7!+BB!Ha?B"!

+d!H!K?D>S"B\f+VB% ?B!>?B"1+R;0"""%OH!C

0"SelectedValueChanged"1+?B!>d!FG ! ">%C _ 0 R;

S",BVB% ?BM9G!">C""20Qa?!r

"0B!!K?D>f+"!_VB% a9MH"!r

private void listBox1_SelectedValueChanged(object sender, EventArgs

e)

{

textBox2.Text = listBox1.SelectedItem.ToString();

}

?B!!-!>a,BI0?BMC="VB% a9"9"""j

),->9"9 r" ),-G0>!>d,-"M,d",-!QBp

"O

r7r

mspsoftddddd


{

for (int i = 0; i < 10; i++)

{

for (int j = 0; j < 10; j++)

{

listBox1.Items.Add("test i="+i+" j="+j);

}

}

}

?Bu!F,d",-BL"",d"&+"",-B%&]G"d

!,d"+"R;!H-?Byn,-M!?" !QBpB%"G

!),-Qd"!M,,d",-!"QB""O,-G44 !"

!?SG"d"% 9C,B]VB% Cj)"

9r?B)!"+9"9,-0!+CBR+?B"1"R$>!R0>hp?+ )

0&]),-GCU"!9!9?By?+ )T)"BrN!9yint0{d

,-^

int i, j;

for ( i = 0; i < 10; i++)

{

for ( j = 0; j < 10; j++)

{

listBox1.Items.Add("test i="+i+" j="+j);

}

}

mspsoftddddd

+d!H*9 R+B!-=H)"!"!!"%B!-=HA79&]i+=2 QCD

?BBtC)"i++%"i+=10""9"!>)B0>";T)

%r

I=I+1 I++ I+=1

I=I-1I-- I-=1I=I+NI+=N

I=I*NI*=N

I=I/NI/=N

I=I-NI-=N

N "D!)"9

),-9?T)VaD! Q7r

for ( i = 10; i > 0; i--)

",-G>B)dO?;R;T,-TWhile!9%R;y%&]G

while (true)

{

}

09%"+!CIF!+IR,_7!GC)Q-LG?BTr

int i = 0;

while (i

+ar+d!H,-!)""{d,-0!0+"0break"1+"

C)"A7+d!H7G+_i!!64,-0R!C)QCDLG?B7Tr

int i = 0;

while (i%C _"BT!)5!0?)+S""T)dgU9

" ,-!P> B)d0"!w R; T ,- Tdo while BL%,- Q7 ,- G

while%Qd"B,-!!)"B&19Gdo!!5!""

do

{

} while (true);

7r


{

int i = 0;

do

{

listBox1.Items.Add(i);

i++;

} while (i < 3);

}

b6)5!IF r

+d!Hp!! "?BCD +" 0if "1+?BT !B "A7>

9?B!+?B5!!> 95!> "%AD0>"1+!">!+H5!

mspsoftddddd

%AD"0!+a$B!> !+H> !+a$B>%AD"0"1+

"!>AD0%"1+"

7r?! fO9fVB% a90"DB;B)"%%7"D1?'


{

int i = Convert.ToInt32(textBox1.Text);

if (i < 0)

{

textBox2.Text = " "; }

if (i > 0)

{


if (i == 0)

{

textBox2.Text = "!"# "; }

}

"LGaa!)5!=2R;"%"=B!)"S)"%D!a?

! 0)

{


else if (i == 0)

mspsoftddddd

{

textBox2.Text = "# !" "; }

}

" else if+"Nswitch$2B!)B%!_!5!!,R;B

?B+"break{d"

7r!>""DB%FF"?B!_="VB% a9"I;')"


{

int i = Convert.ToInt32(textBox1.Text);

switch (i)

{

case 0:

textBox2.Text = "!""; break;

case 1:

textBox2.Text = " % "; break;

case 3:

textBox2.Text = ""; break;

default:

textBox2.Text = " &'( )*"; break;

}

}

+d!H90default+"""1+?BR"!_!&]"B)0=B

Qd"+")5!default!"

+arD!)+!

break;

case "1":

textBox2.Text = " % "; break;

case "3":

textBox2.Text = ""; break;

case "hello":

textBox2.Text = ")+"; break;

default:

textBox2.Text = " &')*( "; break;

}

}

+!

P!HySf"DT$MA7ySf"D6440"1+LG?BT

If(i!=500){

}

0"?$!>70"!

textBox2.Text = "# * '/ ";

}

01+2/!34+2-/.56#73%!34.3#73

8#08#

3b"0"DM>CR;VaD!+F!H)"jr


{

int num, x = 0;

string str = "";

num = int.Parse(textBox1.Text);

while (num != 0)

{

x = num % 10;

num = num / 10;

str += x;

}

textBox2.Text = str;

}

b)9!1]G"D>fO9?v,7M)"r


{

float a, b, c;

a = float.Parse(textBox1.Text);

mspsoftddddd

b = float.Parse(textBox2.Text);

c = float.Parse(textBox3.Text);

if (a + b > c && a + c > b && b + c > a)

textBox9.Text = "OK"; else

textBox9.Text = "NO";

}

+ar0floatT)9!>OD"D>?B"1+

#b!>B)O>%=""S"";r


{

double x1, x2, delta, A, B, C;

A = double.Parse(textBox1.Text);

B = double.Parse(textBox2.Text);

C = double.Parse(textBox3.Text);

delta = B * B - (4 * A * C);

if (delta > 0)

{

x1 = (-B + Math.Sqrt(delta)) / 2 * A;

x2 = (-B - Math.Sqrt(delta)) / 2 * A;

textBox4.Text = ("x1= " + x1 + " x2= " + x2);

}

if (delta < 0)

textBox4.Text = " : #"; }

/b+BF!Qr

int i, n, factoriel = 1;

n = int.Parse(textBox1.Text);

for (i = 1; i

"g`\9r

0o)!"89"2 ")B+d!FfO=R;Qd"!9R;!P

&]"89%0A79T9? +BFBTQ! "DM!)?B\ -RC

d!F89R;%_"!BT!QCDG=2RC"89)">> >u!FA7%

?B"B]KfB=B!)B""1]"CB"=2S?)""=B!)0

B RO+BF\ - 0!? " Q =B !)G+BF 89 H p ?9Q

d!Fa;R??BB:!"T)0=B!)0 +BFF??BQ89M

+BFQCDBT+d?$!)=2QT9?B"1+R;0T?T

"y,+f:)89C)"A7+BF89GQ+!1"DB%0=2BR;89T

)>"!H!s89)B?+ )>CH)!>%OH!

C)%GaC?)">PS"!)%OH!M%GaCPM"!

)>0")%OH!U9!7I9:g0"!CH)"!>C%OH!&])"Qab.!9y

"

mspsoftddddd

b.

9B>y,+f"9y,+f:0HS"!)>C%OH!)"

void fact(int i, int j)

{

//code

}

void fact2(int i, string st, double b)

{

//code

}

9B>y,+f:0H!y,+f:0"!"!H

int fact(int i, int j)

{

//code

return

}

string fact2(int i, string st, double b)

{

//code

return

}

7r!>? "CB""0"1+B+BF&1+S9Q'?B

"CB""!)7G,"89Md!F&1+!+OH!??B% a9"

!_VB?)"


{

textBox2.Text = fact(5).ToString();

}


{


}

///////////////////////////////////////////////////

/////////////////////////////////////////////////////////

int fact(int num)

{

int factoriel = 1, i;

mspsoftddddd

for (i = 1; i 9+OH!R8 Tr


{

fact(5);

}


{

fact(4);

}

///////////////////////////////////////////////////

/////////////////////////////////////////////////////////

void fact(int num)

{

int factoriel = 1, i;

for (i = 1; i

"L! !P>89 "2rFB)!+99p89R;M)d"2

QaQ7b3

b3

+ar0>G+privatepublic,>89S% )@ABv"B%0

I;0"!

b

tC)"!B-ABH"89!_"1+""2P!

+OH089r

+OH089"d!FR"d89!_!89Qd"5!9??B"1+h7

+OH0890=2)"U9R;Tg)"Tr


{


}

///////////////////////////////////////////////////

/////////////////////////////////////////////////////////

int fact(int num)

{

if (num == 1)

return num;

else return (num * fact(num - 1));

}

?Bu!F d % "+!F 89 I$ "D if I$ R$>M%

else!d!FL"d89?B"D"?B\!U?B

4*fact(4-1)

mspsoftddddd

89"0!_!5!"% else0B"!!"

3*fact(2)

"0B,-!!!"2*fact(1)

89%!_!5!-!M""!H.\!U"Q]-"3\!U

.""%OH!""=!H!G0&]9!

4*3*2*1

R0R9U"!B&JGu!Fnum=nfact=T

b(;)r

-):0>?B"y,+fa`+"!P`a$T

?B+d!HA7T"P=)TT!+9)!9m??ByBT\dA]G`%

mspsoftddddd

!?G!;!T!>;G+dFB);:% ?BfO`]:0A7g

%!+BB+":!)!P%B!%AD9"0;=TfO``?aT

;pfO?BT"Qab6;:"2"))OI;?B`

!>)"FB% ;V?BfO)"!_R;"!"`k`nF

0{d!"V0>!9B"!By

b6

;!H-?B"),-)aH!_!P!9T,-M;M;T)`

)"?BfR;T);0"1+8_)FB`0"1+`% "``V%`"R;!

07"A7%F;T2?

for (int j = 0; j < 100; j++)

{

str[j] = "Computer = " + j;

}

for (int j = 0; j < 100; j++)

{

listBox1.Items.Add(str[j]);

}

}

+_;C>!9y?BsF8_">RamwB;0"d!9`>!9`B``y

?B*?BsF!H7>!Q_C=>0BQa!b#Q

1-16


{

int[] str = new int[100000000];

for (int i = 0; i < str.Length; i++)

str[i] = 444444;

}

!0>0BsF!>"=M344PF%j

"2?"QaT)d>=0U9=9,d"+d"R;59R;cpu=

Qa"BtC)b/)O?Bcpu!p0"@";H""z%Q]=+

OBQa"B"%>F!n%BM,%%Nd,TB^+_)d"T+Q7

intde="!?B&DApTNcpu^!>"HH!_+)@";M!>HH

!_@";A7)"d644deR;"!?BNfO9+SSd)d2B"a?>=

mspsoftddddd

den0"!y%QDT+ ^P?);B>!9y?B;Q7T>p44

?d]="N%GaCL!+O^*?BT+_+S;)""!B"sFT

*="

+ar)="> )sFGF0""L"!H;R"1+)="O,-G

Foreach

"!a,CD%,-G!B%&]G>;!]?DM9M9

d?B"1+"Qa"b(CR;0"1+%""j,C0,-GB%G

=0h;p% T!>;)>">?$>=0h?9"9),-% T

b(

B"h,-for

+ar+d!H


{

if (MessageBox.Show("Hello ...Mr", "my", MessageBoxButtons.YesNo,

MessageBoxIcon.Error)== DialogResult.Yes)

{

label1.Text = "OK";

}

else

label1.Text = "NO";

}

;?$>r;?$>?!9M?$V>QCD;A7?a``">`?` M

!9"V>+"B%>x)y)"++F

mspsoftddddd

R$+SB" ;V:!!1]0!+"""d[5,5]`M!`+CBV

?B!BeQ7T[4,4]

!>!9;y">)"0Qa?R;RdQCD!?BTr


{

int[,] ms = new int[10, 12];

string[,] str1 = new string[100, 108];

str1[1, 4] = "Csharp";

ms[9, 9] = 123;

textBox1.Text = ms[9, 9].ToString();

textBox2.Text = str1[1, 4];

}

+ar!>)";?$>I;Rd9),-0>?B"1+9"97r


{

int[, ,] myint = new int[10, 10, 10];

for (int i = 0; i < 10; i++)

{

for (int j = 0; j < 10; j++)

{

for (int k = 0; k < 10; k++)

{

myint[i, j, k] = i + j + (2 * k);

}

mspsoftddddd

}

}

}

!Rd!H>TIC% 9,-0foreach?B"1+r

foreach (int i in myint)

{


}

"g%*Y1+S

!>dB7%!+I)@ABTIF!GR+T"u!`F```dBM`)`9G

+C _=B!)"B""Nt_>^00"9G">_9A7""""`B"""

0"9R;">+h"9"M0"9!P">h-"""9P$a?+dI?

B>I;?Bu!Fh-\dTdB9])dG?B"]R!!>`a?

+-909]R""!_9]T)?B"&t_G+-GS9?B+_T`)

t_B>09?GH"";""!R;9C9";"?B!G`B%

!>C999!")!"!R0"!9G `T)

QCD&]G?BT?!9@ABMy?B)BT`@ABR;R"RC` A7`T

@ABmR;%_!)BG+"0Ta!I;0""1+T?BTG

!"t_G+"! !HNobject-oriented^H??+_+`d`t_0T>

?B"1+TM!9R;0y?BR;0"1+T]Kd`,d"&@A`BR;`!+"

%!+IT+1H@AB!M?B"2@A`B0T

?B"1+!R;""T!Gm=@ABM`"`2`?B`m`R;"TR0G

!9Gy?BT"@ABM!P=door!9y`""9R;"BT?BG=`

+hM!9y?BT

mspsoftddddd

!>"2FB@ABM!% >c!B"!B"2,B%M[3]"!B=``@ABM

?BFU!fS"QaQ7b

b

"d@AB=color *9!)"

mspsoftddddd

!>CB"add,B?BMC@AB9""2

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace WindowsFormsApplication33

{

class color

{

}

}

m@ABh-"29$!)T)f!9@ABQd"T?By*+`,C0T`8`9`)!

7r

class color

{

public string clr;

public int Weigh;

}

"!B-ABtC)*+"CD!!>!9R0m"!By+"9T!H`CD

!9Cy"!BTC+ 9!+"!"I;T+"TC)Qd"F`@A`BG`R`9

!+"I;+"T

7r!h->!=!FCB"M)"!_,B"``d!FR;M?B`N>,B"R;`M

?B^Mm@AB0?B"2B`@A`B=B%&]G` T

M,fS"=>@AB= QCDTnew=2R"!B)"0BQ7T!r


{

color mycolor = new color();

}

0"1+mycolor9sD>,d"!+"@AB+"79` m`

R;R0"0G44B)",?B?BQ7r

mspsoftddddd


{


mycolor.clr = "#2"; mycolor.Weigh = 100;

}

-9RC)0"1+"I;)"!_VB% a9Mr



//////////////////////////////

textBox1.Text = mycolor.clr;

textBox2.Text = mycolor.Weigh.ToString();

Bu!F!&KfOG>M+d!H%G!>"G"&KfO!P!P>?B\f+

M"P!>0!9@ABGBy?7r


{



////////////////////////////////////////

color mycolortwo = new color();

mycolortwo.clr = " 37 "; mycolortwo.Weigh = 500;

///////////////////////////////////////

textBox1.Text = mycolor.clr;

textBox2.Text = mycolortwo.clr;

}

mspsoftddddd

+ar!T+1HA_BtC)>!+")=!F)@ABN?+ )@ABT))=!F^9!2?=!F?B"2,B"d!FR;M?B="CB""

9MR;0?B"2S,_CB""BC"29!+"+"

!>!+",_!900{d"@AB?By??B"1+?+C)9G:

!9y,*+)!)>CDH??*+)!9!9{d"?ByC)9

!+"?++_?+"*+!Qd"89MNQ7,B"CB"M^!9y?BT

"CR!PB??B"1+R;0?9!9:G,yH7?r

mspsoftddddd

-"@ABM=!Pdoor"2?BR;"T*+)!!9`y`?B!`T>"`2`G

Q_LQ7@ABQCD?BTR;=Fdoor\f+?BT

using System;


using System.Linq;

using System.Text;


{

class door

{

public int numberOFdoor;

public string NTire;

}

}

mspsoftddddd

0@ABGM?B"2?B"1+R;07r


{

door myclass = new door();

myclass.NTire = "23"; }

?BFU"d@AB89M!"D"8CB>0BQ7"!H!!r

class door

{



public int MYT(int i, int f)

{

return (i + f);

}

}

0B!!>?CB" r


{

door myclass = new door();

myclass.NTire = "23"; int Y = myclass.MYT(4, 6);

textBox1.Text = Y.ToString();

}

!E>r

-ABtC)?BsDF@AB!)>,d""d!+"9+"!`P`a?

"@AB0@ABM!E!PT!EG>%AD@AB=:AB=+HB)d!ER;0TT

Q7Tr

mspsoftddddd


{

class door:color {



public int MYT(int i, int f)

{

return (i + f);

}

}

}

@AB0r

"!B-ABtC)+_M!9@AB0y?B%`AD0!`d;"T^N`"1+``?BT

)f!H\d+_TM!9y?BT8_RC)*+)!)"@ABQd"`?B0T

)0"1+?B"RC))R"+!FQT!98_+!!9y`M

FB00?@ABQd""% ?BQCD!TNr!9@AB=T))0y^

class color

{

public color(int i, string j)

{

this.clr = j;

this.Weigh = i;

}

public string clr;

public int Weigh;

}

!98_-yMR;@AB0)"?B7Tr

mspsoftddddd

!E!HBG+0Q_>"!B"2?Bo-%!+I


{

color cl = new color(4, ";!."); textBox1.Text = cl.clr;

}

+d!Hh-!98_yQ_Q7Sd+!2O"!)M!9y?B;"T>0objectde)`!

?BT

+arobjectD?intB%Mde"d"!?B+S``BG9` "

MArrayListde?B!U9R;B""T)dg

mspsoftddddd

7r!2O"&KfO? '

!>a?!M?B"2!VB% a9>)!_1]S`_AD&]"Q

)"!_1]"deCB"M!!>)"!_=!FQaztb.4

b.4

-=@ABMstud?B"2BQ70!

using System;


using System.Linq;

using System.Text;


{

class stud

{

public string Name;

public string Family;

public int StudNumber;

public int Tel;

}

}

!>deCB",B"!?BMN,B"M^;Mp444 ?B"2


{

object[] MStud = new object[1000];

}

mspsoftddddd

BLG,B!)B%&]!M>deCB"&KfO!"2O`"M``dM

;de!"!>;"L"!H0M"1+V?B,B!)"9TCB"M``-M

d""FUV>;de?B!TQ7r

int i = 0;


{


}

!9{dV,BCB"B%_!)9="!ByM?BST"!`%"0``M0

!9@ABy?BSTnewC?B0BQ7T!r

int i = 0;

stud mystud;


{


}

h!$a?new "!a%,DT?$B% ?G"0T,B!)"h-`CB"M``M

"2?BR;T;"de!?BT+"9+aGB!)"B"2

%&1+",_"?$!)>= a?+ )

int i = 0;

stud mystud;



{

7&-*##,)##05634#


{

for(int j=0;j

textBox3.Text = ii.StudNumber.ToString();

textBox4.Text = ii.Tel.ToString();

MessageBox.Show(" =' "); break;

}

}

}

Get{}Set{}

)f!H*+T)!>]Kd)"@AB"?B0Tset)f!H`f@A`B0R;TT

0get"1+?BT?lC)G9)"8_TR;?B""DA7TG?`

}

set

{

_NUM = value;

}

}

}

*+h7"]Kd!_NUM0"1+MYNUM)"dTNvalue`R`C)>

*+"B%!MYNUM)"!_%!_^


{

myclass mc = new myclass();

mc.MYNUM = 1394;

textBox1.Text = mc.MYNUM.ToString();

}

+d!H9)"8_?B"r

set

{

if (value > 0 && value < 15)

{

_NUM = value;

}

}

)f!HF]KdMf@AB0S+*9R;)"!0Fget

?B"1+7r

public class myclass

{

private int _NUM;

private string _Str;

public string Str

{

get

{

return this._Str;

}

}

}

+d!HFPM!?B"1+R;0@AB"0setI?9?B"1+7r

public string Str

{

set

mspsoftddddd

{

this.Str = value;

}

}

b4?$0"1+!FG=r

s"+d)!0?$0?B"1+=!FGA7```CB"Mnext!`_1`]"

),B!M>d!F="1]R;"!>c!Windows Form,B?BMM=!>?B\f+"d=!F!`>

CB"Add,B?BM

1]!R;% a9""!_CB"Mnext*9)"!!>T)="=!FVB% a9M

)"!_0B!!>?1]CB"


{

Form2 m = new Form2();

m.Show();

}

mspsoftddddd

BL!??+ ))@ABI!FR$B%&]G!G>!+")R;`M0

I;"2?B89TShow() d!F=!F@AB?BT

+d!H=!F"C!P"O""jR;899ActiveForm.Hide()?BRI?

FormClosing,B?BM

mspsoftddddd

private void Form2_FormClosing(object sender, FormClosingEventArgs e)

{

Application.Exit();

}

FormClosing0!%!=!FG+ -"!BB"+ vDvDT)h89

0!QBO"

+ar!>C1]"!=P?)C!=!Fa?H!_j"!%C `_0properties

startposition=!FCenterScreen*9)"!+d!H*9=!F0+!B)"!

maximizeBox!!False)"!_formborderstyle!!FixedSingle)"!_

+`` d!`` H`` C=!`` F`` `` )`` `` F"O`` ""j>>=!`` F`` C"``""j``

TransparencyKey!!=!FmControl)"!_

mspsoftddddd

+a+"VaD$!)>%O

System.Threading.Mutex m = new System.Threading.Mutex(true, " MyMutex ", out boooooool); if (!boooooool)

{

MessageBox.Show(" #!3!>?#! "); return;

}

Application.EnableVisualStyles();

Application.SetCompatibleTextRenderingDefault(false);

Application.Run(new Form1());

GC.KeepAlive(m);

}

+ar!>"+!>0=!FM"=!F!P&]static` ?BQ`CDK`=!`F"TA7`

!>+=!F0+M="=!FM*+M9+!!9="=!F"M?ByR;=!`F"T

)"?BT7r="=!F"*+M9+!!9M?Byr

public static string Str = " ";

private void Form2_Load(object sender, EventArgs e)

{

textBox1.Text = Str;

}

)"R;=!F"?Br


{

Form2.Str = "Computer..!";

Form2 FR2 = new Form2();

FR2.Show();

}

ConstS

?Bu!F>"0!"B)d"1+R;0)]!A7"!B>R?B-

+JM!"H!!>?B)]{"-G?BS,aO"B2?

"""*9&]"B% ?R?B-!)]! A]QCD>R?B

y,+f*9)"!SBL)dQ-)%J QaOGB%&]G%JM

!9y?B"T!_R;R" 0)""1+%JR;0!"T?B!)T

mspsoftddddd

8_*9 0" !FBF " !*9 %J R;% )" !! T>!9FB )%Jy0%

%ADconst*+Q"?B"1+R!,C0T>~)%J*9Q_!!G+"R;R"!

%S9"R;!P>?8C7:

const int price = 1200000;


{

int hamed=price+2000;

int nader = price * 2;

int mahmod = price - 5000;

}

bBDialogs

!>C0de`?B!`1`]>!`>

CC""j" =C0F!!=2!GMpictureboxMopenfiledialog)"!_=!F"CB"M

mspsoftddddd

-!BG>?CB" BL8`9`B%`&]G^NShowDialog`Cv`Dj

!2?

*9!-!)"T>CB"MMenuStrip!_1]")"T

0-File!>Open,B"?BM0B?R;Qd"!

private void openToolStripMenuItem_Click(object sender, EventArgs e)

{

openFileDialog1.Filter = "jpegfile (*.jpg)|*.jpg|bitmap|*.bmp|

All files (*.*)|*.*";

openFileDialog1.ShowDialog();

// pictureBox1.BackgroundImageLayout = ImageLayout.Stretch;

mspsoftddddd

pictureBox1.BackgroundImage =

Image.FromFile(openFileDialog1.FileName);

}

7r!>BFM?+Qtxt0CVB% a9"?Bj)

,_7Q7!?M>)"!_=!F?9Qazt??BT

MrichTextBoxtextbox!>)"!_=!F*9R;0)"!9Lh`-"

!>open text,B"?"?BM0B!!>?R;

private void oPENTextToolStripMenuItem_Click(object sender, EventArgs

e)

{

openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files

(*.*)|*.*";

openFileDialog1.ShowDialog();

string str =

System.IO.File.ReadAllText(openFileDialog1.FileName);

richTextBox1.Text = str;

}

-FM?+Q"?B"2?R;""`d`fS"&D` deR;`?B!``

!?B!opentextFR;?+Q?B\f+

mspsoftddddd

+d!H dockrichTextBox1!!Fill )"!_H!"1]=C99"!

7r

+d!HQd"G+deVB?B!>openfiledialog` Msavefiledialog1`]"

)"!_?BG

private void saveToolStripMenuItem_Click(object sender, EventArgs e)

{

saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files

(*.*)|*.*";

saveFileDialog1.ShowDialog();

mspsoftddddd

System.IO.File.WriteAllText(saveFileDialog1.FileName,

richTextBox1.Text);

}

ColorDialog

0"G!S>"1+m\f+"

FontDialog

"0!S>"1+%F\f+"

7r

!>CU%O)"!_=!F"9"m%FS!>)"!_=!F

!>,BCB"?BM0B!!>?R;


{

colorDialog1.ShowDialog();

fontDialog1.ShowDialog();

this.BackColor = colorDialog1.Color;

label1.Font = fontDialog1.Font;

}

?B!!-!%FmM>?B\f+"d+9!F)O2

mspsoftddddd

,_B-0Qa*9!)"!+!F)O2r


{

colorDialog1.ShowDialog();

fontDialog1.ShowDialog();

button1.BackColor = colorDialog1.Color;

button1.Font = fontDialog1.Font;

}

")d?;)!Qd"""")ST

Timer 1-12

mspsoftddddd

+d!H!>? ]dR0&"B90"O!"1+!C R;BB"

90%" "!C>"1+)!0" B@>`9`)!0%`!C

9!HG+%"!C`9,B`"!C`M

?B9d!FR;"0B"R;Qd"!

? r

private void timer1_Tick(object sender, EventArgs e)

{

listBox1.Items.Add("Computer");

}

9!9)Bk>0!!>?="CB" r


{

timer1.Start();

// timer1.Enabled = true;

}


{

timer1.Stop();

}

mspsoftddddd

?B!!!>,B&+CB"?BM99+d%_!)?BB:!!CR;

?By_+

!H+d9B"dCB"R?BB:!!C9`BRC)Enabled`9!Ctrue

?B

!>sF>Sd,B=!F?BMd!F=!F"S+90B"!N0 SF>^?R;Qd"


{

timer1.Start();

}

?lC)G9Interval9!C!p0Bz *9)"!0BQ7!r


{

timer1.Interval = 100;

timer1.Start();

}

d!&a05!f+B89">!K+fQ_jf"B>"!BR;T

"2?)fCBT)@ABI;"!+O>,d"?BvI;T+1H))TB"!+O

!_"1+H!!

0)"A7%FU!B!N?BFUC^)@AB> d?$B"""

9>R;?BT

using System.Collections;

+O[3]"GT+ =2+OFBR;0"1+% M

R;0?B"20BQ7T!

System.Collections.Stack Stk = new System.Collections.Stack;

0"1+h-!"9?BFU!"!K?D+O!_!K?DHC)"!9!9G"!]?Dk!_!PH+_!)d!K?DT>

"!+O"!BFU+O

"0)@AB!P>f+BGSR9)% >@A`B"`B"!`B`ArrayList!"R;H8_""!S?@ABGQCD?B

!HS7IABv"R9""!BQ-2O"&KfOBT;"R>0objectde`!

"!B7RC)h-0"1+ArrayList Q-?BT

using System.Collections;


{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

stud mystud;

ArrayList Mstud = new ArrayList();


{

////////////////////////////////////////

mystud = new stud();

mystud.Name = textBox1.Text;

mystud.Family = textBox2.Text;

mystud.StudNumber = int.Parse(textBox3.Text);

mystud.Tel = int.Parse(textBox4.Text);

/////////////////////////////////////////

Mstud.Add(mystud);

}


mspsoftddddd

{

for (int j = 0; j < Mstud.Count; j++)

{

stud ii = (stud)Mstud[j];

listBox1.Items.Add(ii.Name + " " + ii.Family + " " +

ii.StudNumber + " " + ii.Tel);

}

}


{

for (int j = 0; j < Mstud.Count; j++)

{

stud ii = (stud)Mstud[j];

if (ii.StudNumber == int.Parse(textBox5.Text))

{

textBox1.Text = ii.Name;

textBox2.Text = ii.Family;




}

}

}

}

}

2+ CB"Bbutton3_Click9Qa`G`*9`)"!``?`,-0FOREACH

?B"1+


{

foreach (stud ii in Mstud)

{

if (ii.StudNumber == int.Parse(textBox5.Text))

{

textBox1.Text = ii.Name;

textBox2.Text = ii.Family;




}

}

}

"!B-ABtC);0"1+arraylist=2BGH"!

mspsoftddddd

+ar!>a?;)!+?B?BB%!+INName^*9R;)"!!>7`B0Q_!H

!!G>CB"button3R;=Search*9)"!B%C _" `;`

9!+"I;+"

private void Search_Click(object sender, EventArgs e)

{

}

"g"#=b=+*S

")!p+BT!>dC,Qab.

mspsoftddddd

b.

!!HF5"!B!U9tdC9QaQ7)"b..

b..

BH+>"!B"CB%"% !A7>+B% `a90"`DM

"VB%FS?BDVB% a9R$"B%F!+:0?B!?%m?G`

9QCDQint99)=2ST8`9G`!+``0`]m?%`"`D:`0g

?"1234"!B!H?B"+G"123m""!a$"``8`_"`HT

"%?7+$"2?)dT?I,-$T9

)f?B""DF!BBT"C&]G~%"+9?B""D0!Q`7

0B!r

private void textBox1_KeyPress(object sender, KeyPressEventArgs e)

{

if (!char.IsNumber(e.KeyChar))

{

e.Handled = true;

}

}

S\dIGs"R$?+ B `+`%GaC)s`T`B&Aa`0

!)?7+!+?BLR;BT|}try{} catch%BL)`BB%&]GRC

Qd"try ?77++$"!!HTdRC)0!>!Qd"catch+

)B>Qd"catch!2;""B!P>? C+-BT"T`)?7+`"

CR;!7> ""!B"%"+!B!HBT!P!

}

+d!H)?7+$B)>!>0"!finally"1+?BST`B

"R;Qd">7?7+r


{

int i = 0;

try

{

i = Convert.ToInt32(textBox1.Text);

}

catch

{

MessageBox.Show("please enter a number!!!?");

}

finally

{

i++;

}

}

+d!H

!%"d!K?>CIFI;9CI1`I;`BG+8_`

QaQ7b.3

b.3

TB-CIFI?TQaGQCD?BTr


mspsoftddddd

{

int i = 0;

try

{

i = Convert.ToInt32(textBox1.Text);

}

catch(System.FormatException str)

{

MessageBox.Show(str.ToString());

}

}

"?7+!H&]G

0f+BG!R9>,CD=2F!H&aA7"!B"1+!>G+d0 "1+ VaDM

@ABbitmap)%!F>y,+f0"1+@ABG"@ABbitmap">TI89"

I>GetPixelSetPixeln B%S 1m R";%" a?

FB% S9!?B>0B"7!0:MColor!9y?BT

)"!_mR;?BT

Color Mycolor = Color.Red;

hB"0Qa%!r

Color Mycolor = Color.FromArgb(255, 0, 0);

9,]mQBRGB!+"%+"!>0B"7,]m!

Cm""jTr

Color Clr = Color.Green;

byte _R = Clr.R;

byte _G = Clr.G;

byte _B = Clr.B;

LS0"1+FromArgb9T#///.N.6#.6#.6#^S9m?BT

mspsoftddddd

07"!fS"0VaDM"2?BT[2]!`";"`fS"mR;

>"")deM !?BT


{

System.Drawing.Bitmap pic = new Bitmap(600, 400);

for (int i = 0; i < 600; i++)

{

for (int j = 0; j < 400; j++)

{

pic.SetPixel(i, j, Color.Red);

}

}

pic.Save("c:\\picture.jpg",

System.Drawing.Imaging.ImageFormat.Jpeg);

}

"!B)OBtC);BG)@AB9>%F!H=2+d!H!>

aD?BB)"=2R;

"DG0"!K9""=2!!>0`B"`7` !0rgb

+F!H=2VaDr


{

System.Drawing.Bitmap pic =(Bitmap) Bitmap.FromFile("a.jpg");

pictureBox1.Image = Bitmap.FromFile("a.jpg"); [email protected]#!= for (int i = 0; i < pic.Width; i++)

{

for (int j = 0; j < pic.Height; j++)

{

Color clr = pic.GetPixel(i, j);

pic.SetPixel(i, j, Color.FromArgb(255-clr.R,255-

clr.G,255-clr.B));

}

}

pictureBox2.Image = pic;

}

mspsoftddddd

+ar+d!HK9L0"!

+_C"!M"T,_M?B!8_">

*9R;%!_B)"0!89+!F,CD89T*9&=20!)"!>

+a?VaDM0>VaD%!_B,]*9R;` !!9`` `y`"`

0Nu!Dp^,]VaD0!>*9%!_B 9"""!T9"

CDR;,` 9`)"=`2R;T

"VaDpicturebox)"!_T=20Q_QCDG+_T)d`h=!F;` m`

,BVaD1"N0B!^

Bitmap bmp = new Bitmap(600, 400);


{

for (int i = 0; i < 600; i++)

{

for (int j = 0; j < 400; j++)

{

bmp.SetPixel(i, j, Color.White);

}

}

pictureBox1.Image = bmp;

}

mspsoftddddd

ABB"""9,CDR;0"1+T9!>VaD`)"=`2"`dT``?T`!

t+ Q=@ABGGraphics%!>VaDR"!BkK+?@ABG+!9R;0:M`y

?BT0B!)B0>,_FU?BT

Bitmap bmp = new Bitmap(600, 400);

Graphics g;


{

for (int i = 0; i < 600; i++)

{

for (int j = 0; j < 400; j++)

{

bmp.SetPixel(i, j, Color.White);

}

}


g = Graphics.FromImage(bmp);

}

-)d@%B!-T$M>t+ Q7`1]"M$BQ` S"`!`>%`

1]&K+fR";Nx,y^0"pictureBox1_MouseMove"1+?BT

*+"CD!!9y?B&K+fBTG)`!_R;""0`T`*+G`"`)!

""!PN&]"0^!>)d"1+"!BTr

int x, y;

private void pictureBox1_MouseMove(object sender, MouseEventArgs e)

{

x = e.X;

y = e.Y;

}

mspsoftddddd

!h-@AB!T Graphics

@ABG">1,+f89!>B%9?B)OI;U9R;&

9?n$=B!)a?1>"

"+07GFillRectangle"1+?aBBT+Gt+ `M0``!`

-)dT!dM>C1]Oaj!T>a?+_a?""P:!t""OF@a!>

+_a?

!>Ts

private void pictureBox1_MouseUp(object sender, MouseEventArgs e)

{

Pen pn = new Pen(Color.Blue,2);

g.DrawEllipse(pn, x1, y1,x2-x1,y2-y1);


}

+d!H@i$CB"OF@%H=2"!>QCDQa?BT

private void pictureBox1_MouseUp(object sender, MouseEventArgs e)

{

if (e.Button == MouseButtons.Left)

{

Pen pn = new Pen(Color.Blue, 2);

g.DrawEllipse(pn, x1, y1, x2 - x1, y2 - y1);

mspsoftddddd


}

}

!7>B&]VaDM>jd!$)"

public partial class charkhesh2 : Form

{

Graphics g;

private int a = 20, b = 300, c = 100, d = 1, ee = 50, f = 1;

public charkhesh2()

{


}

private void charkhesh2_Load(object sender, EventArgs e)

{

g = this.CreateGraphics();

}


{

GG();

a++; b--; c += 3; d++; ee++; f += 2;

if (c == 700)

{

timer1.Stop();

}

}

private void charkhesh2_Paint(object sender, PaintEventArgs e)

{

GG();

}

public void GG()

{

Point[] destinationPoints = {

new Point(a,b),

new Point(c,d),

new Point(ee, f),

};

Image image = new Bitmap(@"22.jpg");

g.DrawImage(image, destinationPoints);

}


{

timer1.Start();

}


{

g.Clear(Color.Empty);

timer1.Stop();

}

mspsoftddddd

7r!>1]0BCVaDjH"!r


{

Bitmap _MBMP = new Bitmap(Screen.PrimaryScreen.Bounds.Width,

Screen.PrimaryScreen.Bounds.Height);

Graphics g = Graphics.FromImage(_MBMP);

g.CopyFromScreen(0, 0, 0, 0, _MBMP.Size);

pictureBox1.Image = _MBMP;

}

7rB!9Bm"kr

private void Form1_Paint(object sender, PaintEventArgs e)

{

Graphics g = e.Graphics;

g.SmoothingMode = SmoothingMode.HighSpeed;

GraphicsPath gPath = new GraphicsPath();

Rectangle r = new Rectangle(0, 0, this.Width, this.Height);

gPath.AddRectangle(r);

LinearGradientBrush lb = new LinearGradientBrush(r, Color.White,

Color.Black, LinearGradientMode.Horizontal);

g.FillPath(lb, gPath);

}

mspsoftddddd

7r5!B1VaDR"!Br

public void greyscale(Bitmap bmp, PictureBox picBox)

{

BitmapData data = bmp.LockBits(new Rectangle(0, 0, bmp.Width,

bmp.Height),

ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);

unsafe

{

byte* imgPtr = (byte*)(data.Scan0);

byte red, green, blue;

for (int i = 0; i < data.Height; i++)

{

for (int j = 0; j < data.Width; j++)

{

blue = imgPtr[0];

green = imgPtr[1];

red = imgPtr[2];

imgPtr[0] = imgPtr[1] = imgPtr[2] =

(byte)(.299 * red

+ .587 * green

+ .114 * blue);

imgPtr += 3;

}

imgPtr += data.Stride - data.Width * 3;

}

}

bmp.UnlockBits(data);

picBox.Image = bmp;

}

)B&]hBR$>+G%C _0Properties9MAllow unsafe

code?BFwB!9"Q

mspsoftddddd

DLLbr

))C)"B! )Oh"?BkS_"dllde!

!_"1+"!"H"B!2?)`d`!""1+``I;G+d```T

0"!wT+_dll0)!C)"T9?B"1+I;0T` +-T+d"`"R!`P

!>"1+)"!_TG+d"dll)9)@AB0T>91+R;Q`d"+`` ?B"1` +-T

=!F@AB"!B-ABtC)`dllNsystem.Collection^">I`AB>9`1+

@AB,C0"ArrayListStack%C `_`!`HC:\Windows\System32

?B!0?:dll)d"d!)B"!B"1+I;0QDT+ ?B

!>G+ddllFB)% !M:0ClassLibrary?B"2

mspsoftddddd

-class1?Bo-R"d9?BFUfS"=@ABMT

=@ABMMyComputer==!FMMYForm?BFU!

mspsoftddddd

"d@ABQd""$M?fS" 0BA7B!%89M!+M!m?"!H

using System;


using System.Linq;

using System.Text;

namespace TestDll

{

public class MyComputer

{

public string mas()

{

return "my name is ...!!!";

}

}

}

F+"9+aGC+-Bpublic89T)@ABT)

!>=!FCB"M0B""!_VB% a9M!!>?CB" r


{

MyComputer mc = new MyComputer();

textBox1.Text = mc.mas();

}

!>,B!="!B%MBuild9dll+dC"{d!0-"

!>2;"!B!""2FQDLL"!` `"0""`)`M "`d

de?B!

mspsoftddddd

-)dT?P$T90TGdll""?B"1+)!!PT!>c!

using System;


using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using TestDll;


{

public partial class Form1 : Form

{

public Form1()

{


}


{

MYForm mf = new MYForm();

mf.Show();

}

}

}

+d!H=)!?aFUB*9QaG)"!


{

TestDll.MYForm mf = new TestDll.MYForm();

mf.Show();

}

ThreadingCDCE

mspsoftddddd

")"!9kSv%C _G0"!R"!`B`

9+ )SiRC)!p0T)z,B%)!T)0)G?B%D!`R$

!>cpu 02""_%"!+ Tn+S1ID!BGQDT+

%_+P$B%cpu 9)!G?BT

"0"1+%C _GThreading)dT?P$T9T`)`+`"`?$RC)T

?B!")"!9!HTBtC)R$"GaCa?"+_!> ``!G

"1!9S"!P"+"L!

BL]G&"B%!9"!9@AB0y?BBT@AB"GB% ?9

!9QaT)89"V

t1.Priority = ThreadPriority.Lowest;

t2.Priority = ThreadPriority.Highest;

}

else

{



}

spead = Convert.ToDouble(textBox1.Text);

t1.Start();

if (checkBox1.Checked)

{

t1.Join((int)numericUpDown1.Value * 1000);

}

else

{

}

t2.Start();

}

)B>"!!P>?9wB%D!TS%)"!9%+!Start!"!9>"!9B:!

"1+99p""!9R$"C!M"

)B,C0>""!9!P%1_"2?"tdM1_>"2?BT+_R;!

d99B"!BGT% !?B"0I9"LG>wB"1+

"!B1_9T>J?$&)!)+9T?B)OB2T

)B->B89"%R a TB9GIFB% ?I,"!BfOBT

wBfOK?B!>0;=2F"jIQ>89"fOF?B"Q

!)"!_

public void Copy()

{

int NumRead;

long FileLength;

FileStream From = new FileStream("1.iso", FileMode.Open);

FileStream To = new FileStream("3.iso",

FileMode.CreateNew);

byte[] buffer = new byte[1024];

FileLength = From.Length;

progressBar1.Minimum = 0;

progressBar1.Maximum = (int)FileLength;

while (FileLength > 0)

{

System.IO.BinaryReader Reader = new

System.IO.BinaryReader(From);

mspsoftddddd

NumRead = Reader.Read(buffer, 0, 1024);

FileLength = FileLength - NumRead;

System.IO.BinaryWriter Writer = new

System.IO.BinaryWriter(To);

Writer.Write(buffer, 0, NumRead);

progressBar1.Value = progressBar1.Value + NumRead;

Writer.Flush();

Thread.Sleep(TimeSpan.FromMilliseconds(spead));

}

From.Close();

To.Close();

if (progressBar1.Value > 99)

{

progressBar1.Value = 0;

MessageBox.Show("Copy Finished successfuly");

}

}

//////////////////////////////////////////////////////////////////////////

public void Copy2()

{

int NumRead;

long FileLength;

FileStream From = new FileStream("2.iso", FileMode.Open);

FileStream To = new FileStream("4.iso",

FileMode.CreateNew);

byte[] buffer = new byte[1024];

FileLength = From.Length;

progressBar2.Minimum = 0;

progressBar2.Maximum = (int)FileLength;

while (FileLength > 0)

{

System.IO.BinaryReader Reader = new

System.IO.BinaryReader(From);

NumRead = Reader.Read(buffer, 0, 1024);

FileLength = FileLength - NumRead;

System.IO.BinaryWriter Writer = new

System.IO.BinaryWriter(To);

Writer.Write(buffer, 0, NumRead);

progressBar2.Value = progressBar2.Value + NumRead;

Writer.Flush();


}

From.Close();

To.Close();

if (progressBar2.Value > 99)

{

progressBar2.Value = 0;

MessageBox.Show("Copy Finished successfuly");

}

}

mspsoftddddd

89BLB%&]GS!)"BM,F0%wB R;d Q?B

+)O2sF0!+CB"1+>=B+P?

%0"1+


d9!>?$&!",J"!B"2 B!9T%D!T cpu"O!

BL progressBar B%&]G BM!TC>!"!+?BGH!TA7

3444progressBarL"dD9R!"!B BF A7 I,>?+?Nword,txt,pdf ^F I,>

?Nmp3,divx,mpeg^FI,>K9!>?Nbitmap,jpg,png,gif^

mspsoftddddd

S;-9!aFG"!BBFGCP$+dP$I,""j;9

0"!OFC,B->?C+-"dR+HBH?mp30"!OF>S

0"!OF=I1>?"'$jfG)dTgt")vGH"!>0"!wT

FC)+-I,F!Qexe)B,>!?>de+d!$R;>BI?

C+T)0de?B!0>!%I;>!+I"0VaD" C9k,tG!

k,T?BBa%!Fjpgde"!!P>%!Fbmp

VaD"!)!)n"aS?+ )F!n!H?B9I;%?F!nB"%!9

S!!%S"Q&19G!de""!H0!>I;%!FVaD"bmp)H

0"!OF>%+F!P=2S"jpg0"!OF>%+F!H=2 "bmp&]G% ^0"!OF=I1BT+1H7G>

?;!+Ih-\dade!sFBT?B>!+CB>*?BB%QaG)%!F>1,+fQa

H"!9r+_+!F!de!?BT!>?T) !%!FR;BT>f

"R$CR!PdeP$ ?""!B !T??B 0 R; 9 !HA7F BTQjpgP$

de%!9!T>? CR;BT)"j

7rFM

F0RdQa!>G+F"2"1+Q")0"@AB"G>"d0

[email protected]!>fOR""F&KQ^"BLG@AB"

B%&]GF&KfO!$Q>!$G+>"Rd;M>0)%

!_ )!+BB;ph-)"P+ ?$ $ B "" R"d % ?$f%R$T

s)%_fa9a9B%0,CDT9>)=2I;TVaD!)f!Hh-T

"=Q7+MFMdeQ?B!TR;+;>")!+BB0deT!

?B!T>9Q!+M;m?>+0)!+BB0.TocharArray"1+"

+ar,P!+BB!) sxd)!+BB0M*sF%!???BG9T?

9M?CUQR;:"de%?B!T

0"deQBB!"!FM!fS" deCB"%+!


{

System.IO.FileStream _FM = new System.IO.FileStream("test.mer",

System.IO.FileMode.Create);

System.IO.BinaryWriter _BiWr = new System.IO.BinaryWriter(_FM);

string Str="Masoud";

char[] _CH = Str.ToCharArray();

_BiWr.Write(_CH);

_BiWr.Close();

MessageBox.Show("Finish");

}

F-CQ+d!H"29"Mnotpad?B0?

+d!H-9Q;M0?B%de?B!)B_!F"0BQ7!r


{






byte[] _BY = new byte[_CH.Length];

for (int i = 0; i < _CH.Length; i++)

{

_BY[i] = (byte)_CH[i];

}

_BiWr.Write(_BY);

_BiWr.Close();


}

!-> BTFG!Q>C?B0)"j


{


System.IO.FileMode.Open);

System.IO.BinaryReader _BiRe = new System.IO.BinaryReader(_FM);

byte[] _BY = new byte[1];

int j;

string str="";

while ((j = _BiRe.Read(_BY,0,1)) > 0)

{

str += _BY[0].ToString();

}

_BiRe.Close();


}

S9R$?CUQ"=2)!+BBT>"D&]N!?>^C""jr

+a r+1H B tC)$ C) TwB " !1]&] !9MN!?>^de ! "" A7

!+BBNa=97 ^+_ B% "D/S+ p 9! T.?B" !?> R;%"

)d%FN01100001^!+BBb=98C)%9!9G?BFU!Hk%"I;"

)d";

+ar!+BB!)0!H3.?BTB99o!-Q"

h-9M?CUQRBuDQaG?BTr


{





int j;

string str="";


{

str +=((char) _BY[0]).ToString();

}

_BiRe.Close();


}

B>""=2h-9BT"BM>VB!)"H"9FQ0?B?h-

T)d"LM>!BTN!>H"!>^B"H"VB!)!P++F&Q

?

"h"BtC)!-",Po !+BBa=01100001 %?BP%_"!H

CIFBC)!d;%.#,P!+BB !?%!1]R;7u!F!!HG %?BMT

"!P9)!+BBG)!+BBQ>"!P"G"&]+_!PF$"0Q>"

C"deB"!B!T+_R"d)dFT?B0QR;T!1]"!d;%?BT

,]!+BB9!T

!>R"!BMI;C)!d;%N10000000=128^ORN^?BT)R;Rd8_"

N01111111=127^AndN&^?BT9S%"Q]-!Hor ,and

?;0"";I;Q]-!T

,_B-*9Q)"!r


{






byte[] _BY = new byte[_CH.Length];

for (int i = 0; i < _CH.Length; i++)

{

_BY[i] = (byte)(_CH[i] | 128);

}

_BiWr.Write(_BY);

_BiWr.Close();


}

" B!H!PF"?B0Q)!P$CCIF

CB-j*9QaG)"!r


{





int j;

string str="";


{

str +=((char)( _BY[0] & 127)).ToString();

}

_BiRe.Close();


}

S

$>"!BQ-h7"B0"!OFT>Da,"FR"!B+d!H"QR9"d

9PS ) T+! T) >P>h 7 " !H A7

+d0"!OF>=2>CD&]?BQrNU9FgBT)" R?Dj

!C9%R9"dID!G^

R$C)!d;%)!+BB>,P %!1]9!+BB%O)!)"Ta!d;"G%

de?B ! C +!HA7%&]Gcomputer9 !+BBr%1) " %

!d;!+BB!)computede?B!!+BBr?Bo-Qa?b.

b.

"?$!T)"""";@ABG>0"!OF>!T)>P>r

!>!7>"dG+R"!B9@ABRijndaelIBG)=2&_%G

PS+T")R?B9:!+dPSC+0!+IRijndael%O:!+d"!a,CD

PSGT+B%&]GM.6#+PSG+T)"PST+T@!

G+B"!?B>"T)R"!BaG"0T

7r?+MPS0"1+T+Rijndael"a?Bar

&]!QaQab.6?B"2

Qa"BtC)?!GM3.C_"%FN3.+N^.6#+^9?a

,CDR;&Bm?!>"G+

byte[] _byIV = new byte[16];for vector(16 byte need)?

for (int i = 0; i < 16; i++)

{

_byIV[i] = 0;

}

RJ.Key = _by;

RJ.IV = _byIV;

EncryptTextToFile(StrMatn, FileName, RJ.Key, RJ.IV);

MessageBox.Show("finish");

}

n1GCB""de!G+!>FM=QCText.txt"?BF!Q%

,]B9R"!Ba=2=B?)EncryptTextToFiled!F"">B

0%![1]r

public void EncryptTextToFile(String Data, String FileName, byte[]

Key, byte[] IV)

{

try

{

// Create or open the specified file.

FileStream fStream = File.Open(FileName,

FileMode.OpenOrCreate);

// Create a new Rijndael object.

Rijndael RijndaelAlg = Rijndael.Create();

// Create a CryptoStream using the FileStream

// and the passed key and initialization vector (IV).

CryptoStream cStream = new CryptoStream(fStream,

RijndaelAlg.CreateEncryptor(Key, IV),

CryptoStreamMode.Write);

// Create a StreamWriter using the CryptoStream.

StreamWriter sWriter = new StreamWriter(cStream);

try

{

// Write the data to the stream

// to encrypt it.

sWriter.WriteLine(Data);

}

catch (Exception e)

{

MessageBox.Show( e.Message);

}

finally

{

// Close the streams and

// close the file.

sWriter.Close();

cStream.Close();

fStream.Close();

}

}

catch (CryptographicException e)

{


}

catch (UnauthorizedAccessException e)

{


}

}

0B%5!!CCB"R;89!C)jr


{

Rijndael RJ = Rijndael.Create();

string strRamz = textBox2.Text;

string FileName = "CText.txt";

char[] _ch = textBox2.Text.ToCharArray();

byte[] _by = new byte[32];

for (int i = 0; i < 32; i++)

{

_by[i] = (byte)_ch[i];

}

byte[] _byIV = new byte[16];

for (int i = 0; i < 16; i++)

{

_byIV[i] = 0;

}

RJ.Key = _by;

RJ.IV = _byIV;

richTextBox2.Text = DecryptTextFromFile(FileName, RJ.Key, RJ.IV);

MessageBox.Show("finish");

}

public string DecryptTextFromFile(String FileName, byte[] Key, byte[]

IV)

{

try

{

// Create or open the specified file.

FileStream fStream = File.Open(FileName, FileMode.Open);

// Create a new Rijndael object.

Rijndael RijndaelAlg = Rijndael.Create();

// Create a CryptoStream using the FileStream

// and the passed key and initialization vector (IV).

CryptoStream cStream = new CryptoStream(fStream,

RijndaelAlg.CreateDecryptor(Key, IV),

CryptoStreamMode.Read);

// Create a StreamReader using the CryptoStream.

StreamReader sReader = new StreamReader(cStream);

string val = null;

try

{

// Read the data from the stream

// to decrypt it.

val = sReader.ReadLine();

}

catch (Exception e)

{

MessageBox.Show(e.Message);

}

finally

{

// Close the streams and

// close the file.

sReader.Close();

cStream.Close();

fStream.Close();

}

// Return the string.

return val;

}

catch (CryptographicException e)

{


return null;

}

catch (UnauthorizedAccessException e)

{


return null;

}

}

+arPSC+"!F)Oh7"BPSM%%OH!Q_T+?+_+C>

"!BB09+R;""!Ba?SPSIC+%OH!Q_B"""

??+ MD5)^"BPSG+_T++C>R;"?$CB%hash!

+-"!H!H1]]?$\+BM>PSG)T+?$C0!B%

S"!HG"!F!K?)B?+!)"""!F!K?BM%OH!Q_a??+

+_A7"C%sD)PS9&]CT+md5!"

de)!+-""dDApC0T))+_""K_C"%)

,_BBC0 "!!!H"?%%"C

9"%R$>"=%J=P?)A_B%"!B)BRC)>S9

"RADCB""!B!>"?B"1+R;0%!?CG&]md5

!;" "OI&29"!+aS)sT)M>"2S+=2QaG

H"!?9,fPS0T+md5 rijndeal%

7r0B"!PS0"1++MT+md5B"


{

string input = "Computer";

MD5 md5Hasher = MD5.Create();

byte[] data =

md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));

StringBuilder sBuilder = new StringBuilder();

for (int i = 0; i < data.Length; i++)

{

sBuilder.Append(data[i].ToString("x2"));

}

textBox1.Text= sBuilder.ToString();

}

!> T)90BQa!?BQCD?"+CB+>NB

B"^ "!!!H"true""%OH!"

bool verifyMd5Hash(string input, string hash)

{

// Hash the input.

string hashOfInput = getMd5Hash(input); // getMd5Hash K3,L3#M)!*

// Create a StringComparer an comare the

hashes.

StringComparer comparer =

StringComparer.OrdinalIgnoreCase;

if (0 == comparer.Compare(hashOfInput, hash))

{

return true;

}

else

{

return false;

}

}

6+;DO!S

+d%_ !) FM?B FU ! QF R; 0 =S 8_ " 9?B "1+ Q " R;

Resource Filede?B!+_=2a?FI,>F!C)!"!QQC-

"a)"!B 0>TIF%dBG)Q>kKNSetup ^ %F B&]GI,>

!"F!PI,>"!!C)"!MFU!P?BT!>=2a?0Add New

ItemMResource File?BFU!

N^ N.N^3^

!2? " %C _ 0 0Add ResourceAdd

Existing FileBFU!?

?BFU!VaD"A7

+_""=2a?wB!"!BQF!nF%!QF%KR+!I,FUB

"!BFj-!CB"M>)"!_=!FN*9kKR;% a9)"!^+_9!

>BR;,"!BMa")VaD0wBF-0"r

N +a rFG;&] I, > 0F " I+!Qde !!P "! a?>

+d?!>F!H7"VaDCQfO9VaD&]R;")"

~!]&]G;&>0I+de!?B!>R+FM"Q%!F!Pmp3

?BFU!^


{

try

{

byte[] _MYFile =

WindowsFormsApplication56.Resource1.TRACK_01;

Bitmap mypic =

WindowsFormsApplication56.Resource1.Chrysanthemum;

System.IO.FileStream _FS = new

System.IO.FileStream("D:\\T1.mp3", System.IO.FileMode.Create);

System.IO.BinaryWriter _WR = new System.IO.BinaryWriter(_FS);

_WR.Write(_MYFile);

_WR.Close();

mypic.Save("D:\\mypic.jpg",

System.Drawing.Imaging.ImageFormat.Jpeg);

MessageBox.Show("finish copy");

}

catch { }

}

"""%C _GIAB!P>,d"System.IO)dv"!BT

System.IO.File.Copyr0@AB"B+GFile!""!_>wBFa0I,F-0

"Ra"1+!P"

7r aD"0cdwB?BTr


{

System.IO.File.Copy("c:\\pic.jpg", "d:\\pic.jpg");

}

System.IO.File.Deleter!>FR"!BCIFRa?FM"""Q0"1++G!H"

F,%""+Gtrue!VaD!"!H

7r


{

if (System.IO.File.Exists("c:\\pic.jpg")==true)

{

MessageBox.Show("file is exists");

}

}

System.IO.File.Mover!>R""%B!-FM0Q>"wBQ7!PQCDS?B

FB&19G,]QF"G+I,>?++"1S7A_B""G

"!BQ-T

System.IO.Directory.CreateDirectoryr!>"SF"2 M0!"1++G"

7r


{

System.IO.Directory.CreateDirectory("c:\\myfolder\\jk");

}

: System.IO.Directory.Delete

0!+G> R"!BFR";%I,>R" M"1+!

7"r private void button1_Click(object sender, EventArgs e)

{

string[] str= System.IO.Directory.GetFiles("c:\\myfolder\\jk");

foreach (string i in str)

{


}

}

?lC)G9!T>2+ 0?B"1++G7TrFI,.exe "fO!r private void button1_Click(object sender, EventArgs e)

{

string[] str=

System.IO.Directory.GetFiles("c:\\Windows\\System32","*.exe");

foreach (string i in str)

{


}

}

7r

!>? "9 F0*9I,")"!FB!)!G!QwB=C9"

FI,>?BFG!Q*9fO CB"start? r {

string x;

string io = System.IO.Path.GetFullPath("changeExtention.exe");

0getfullpath/ )NJ * O!> #0!P !. 77)38!Q c:\\newfolder\\changeExtention.exeR

&6'3*!>6#*/OJF=$

foreach (string str in _M)

{

if (!str.EndsWith("changeExtention.exe"))

{

System.IO.File.Move(str,

System.IO.Path.ChangeExtension(str, textBox1.Text));

}

}

}

System.IO.DriveInfor

0!@ABG>"QB&KfOR";%)>wB"1+!9"

7r

"&KfOC)^wB%"!9NF!n%!F:%^ System.IO.DriveInfo DF = new System.IO.DriveInfo("C");

listBox1.Items.Add(DF.DriveFormat);

listBox1.Items.Add(DF.TotalSize);+d!H"&KfOC))>wB!9%?BQCD]Gr


{

System.IO.DriveInfo[] DR = System.IO.DriveInfo.GetDrives();

listBox1.Items.Add(DR[0].TotalSize.ToString()+DR[0].Name);

listBox1.Items.Add(DR[3].TotalSize.ToString() + DR[3].Name);

}

)f+B> !?+ )8>CIFI;C)R?B!`f+B`"@=>

RkK8_B+R;?BkK":`U"2+ f+BG

!"9

UserControlr

!F?Bu?$"=!FG"!B"1+!MA7%"1+!+O!+?B?$0=!F!)"

=!F!)?B8CT)"D?$B""0%!+OI!FC)"GS!>I!FC)

)B>"D"8C)!+?B>"""!_0)!HB"

+"=!F09)G

?B%")!+?BBA]BGF!]% !?G"Q-!P>!>""1+a?

BLR;0"1+UserControlB%aR;0%"?BR;0&1]C)"T

"1+?BT

!>BUserControlFB%C _0% New Items!R;add?B

)!+?B>"0>)"!_R;0Qazt!r

!>7!"D"8CB>?CB" r

private void Add_Click(object sender, EventArgs e)

{

int i = int.Parse(textBox1.Text);

int j = int.Parse(textBox2.Text);

textBox3.Text = (i + j).ToString();

}

!Build?B9user controlwBtdR!H"+d"QQaM

=user controln"!)"OaR;!>!FI)"!_R+

?B!!+2?

7r%D!user control? )"!_&1]"r

!C9Q7,_GMuser control=clock?BFU!VB% a9M

9!!C>)"!_=!F

0B!!>load9?!C rN"load9F!C"^


{

textBox1.Text = DateTime.Now.Hour.ToString();

textBox2.Text = DateTime.Now.Minute.ToString();

textBox3.Text = DateTime.Now.Second.ToString();

}

private void Clock_Load(object sender, EventArgs e)

{

timer1.Start();

}

!-build?BM!%D>I!F)"!_R+r

BL@ABB%&]GDateTimeR0QB&KfO!T+ "!HS!>

?%R0S!)"aT9M!_!C)"BBT9!C!)"B% ?44,J

!"N9R0*9!)"!^R0!H99*9qCR;"!B!)"j+-

99q?BFU!G0BQ7!Nrlabel!>)"!_=!F^


{

textBox1.Text = DateTime.Now.Hour.ToString();

textBox2.Text = DateTime.Now.Minute.ToString();

textBox3.Text = DateTime.Now.Second.ToString();

label1.Text = "Year : " + DateTime.Now.Year.ToString();

label2.Text = "Month : " + DateTime.Now.Month.ToString();

label3.Text = "Day : " + DateTime.Now.Day.ToString();

}

Media Player in CsharpWindows

)H&_"0!"BP?);!>?Bjf?a90,

+d!H-,=!FR;h8_CfS"9!9k?Bjf;a?>0string"2?B)m?);=>;""d)"!_m?);"d

)"!_!?BSjf

+-9FT)Q>>?Bjf,9AaO0%

,Ca?"DT+ !Qwindows media player!!HkK>B

+CB?B

+d!H0,"d%0>kK

,

0!de00!>,CD&DAp&>C)0I;h%`C)`%`"d!`?G

)R0>! ,C0!>+-,CDB!=0h&>de0!>&`DAp>

9DApM";T)!F

,C0Ia>9DAp!_"1+"0!BP"!"`B"!`BQBV BR9>

)"R0?k?!h%>de0!>"?+ )&DApjfG+d0"1+```9T

,CDG!&>

0!

FBBG0!2?HG!2?0-!pR;"B"O9DApM`

0"!FBBGF% ),>9DApM?BfOR;:"A7TM`T+

9DApFPO"),>"!C2O"C2O"=?>!t2O"""G

F),>"!CC>]:0%!+I2O"gint"\f+!`>%`!`+I=`

:0+"\f+

Qa.b.

Qa"BtC).b3)O?BF),>?9"!`BT`?90`TFTFB)`,`%

?!2?

Qa.b3

"R+!!H!P>%"09C)!pG?BQCDz"!P>0 =h-

!FU!2?FB)O!% >,BR;`?BM`C``B"

Sd9DAp0?)R$%%O"R;"C)02?99DAp!`>""`d`

?B*9?B)O&!o)GC)0B% ` ?B"&DAp2?``a,T)`fT

!p0z,CD)"=2=0h&BT`BG`` "`0 ""V `BR`0G+

!?0Q_GR"QKF"BvG>U9)dg?;V B+""TR$T

")dBV BR0!+O"!BT

U9h-9V B""V B!2??B!T>)OGFBH% ?

Create query by using wizard

?B\f+?BV BR0h-NV B&+"?;^T

INSERT

0!+"G>"R"!BFU"++"1+V"A70+"G+"!!Be!

FU+"""[1]Qazt.b

insert into Table1 values"javad",8506678,86,123;

Qa.b

0!+"G>"1+0&DApR"!B

!&+"0p?a"!")!tQBT!_Q`B"`5!`h`+""!HA7?)

*9"1+"!"[1]+d!HA72O"CTKfu`D

?B0T"1++"G?BT

update Table1 set studnumber=123321 where name="masoud";

"T)G+aG+"9!K?D!HBT>B)d*9R;T`)"!`T

,BR?DC\f+9*9R;T)"!T

SELECT

0!+"G>)R+\f+0"1+RCS0+"G+A7"`)R+`!>=`

\f+2O""

SELECT name

FROM Table1;

9+")G"B",]&+"R?D)R;0)!!+O"1+&+"+S"

"kS!P>B"""9I;0?B"1+!>CIFI;R9` `helpV `B

?B!

U9I?!K+f&>

)

7&Y+*34#30'A#

!

"QKFG)d)@AB""T>"+"V` ?Bv`T`"I`AB`

I;0"1+B"""9C

+d!HA7+"Tinsert U9R;Q_QKF"B""g!T>

System.Data.OleDb

))@ABT+1HBtC,CDB"""

))

!-)@AB>,d"))G0"!RQ]` `BG`@AB

"!P>"""OleDbCommandB=2BG%C _"B)">;`")`dv`RT

"!B"!`H!-@A`B`Toledbconnection ` !`@A`BG>!>R";%0""""+G!a0)LG?BT?Bu!F

"M+V BV"!B"2"deF-0"!B!-c!

Qa3b.

!2?

H?Microsoft Access Database File,B?BM+d!HsqlQ]`!`>H`?

Microsoft SQL Server,B?BM+_"!B\f+V B!2?CB"ok ,B?BM`1`]"

!)n9ConnectionString?B)OQazt3bwBR;?B``"

?B"1+!>%!+IR;0"1+*+M:0!String!9?BydeR;"+G`!

?B[4]?B"1+R;0!"9

Qa3b3""P"!P=2)"!F)O&19

-?0T@ABG oledbconnection"1+P$"!>0"1+FB@ABG`% `M

0ztR;0!""2connectionString+``!!R;>!`_` %`L`B

U9Q_%C _"R;R";=""g

string str = @"Provider=Microsoft.Jet.OLEDB.4.0;Data

Source=C:\db8.mdb";

OleDbConnection co = new OleDbConnection();

co.ConnectionString = str;

GCU""@ABG>"+"!P>!>"R"!`B0`+V"R;G+ `%`_!`)%`=0h`B"

+d+"T>"++!1V?B0R;+T?R;B=20T!9T>)"1+>"!P

?B"0;R;T0!+""G?+ )!

co.Open; //insert code

co.Close;

OleDbCommand 3-3

,_%C _"BtC)+1H!T>ExecuteNonQuery"!de&!*99T?B"1+

OleDbDataAdapter 3-4

0@ABG!!+O>R"!B!0"1+@ABGFB% `M

R;0?B"2+Filld!FR;?BT[3]0B?!r

OleDbDataAdapter odba = new OleDbDataAdapter();

odba.Fill(dt);

tdhB"B)"B% ?OleDbDataAdapterCBCIFdatatable`$

$>!?B!a?@ABR;oledbcommand` ?BkK`+?+`"`$``CI1`9T>

0+""A7?B!+a?TwBM"0+"V+"0T`"1+`@A`BG`?BT`G

;&]@AB">QCD?B9+-T0%D!+"R;!]?D"+`"

T)"!B0>"!P@ABGB%G+TdataGridView?B!

FBBG% MdataGridViewC1]")"!_jTQa3b60B?! T

//Filldt

dataGridView1.DataSource = dt;

)@AB)G,CDB"!=0h&>=2

Qa3b6!=2!)nQaa?>Qazt!3b#0?9!?BT"!B`B```!G`` G

+_B%&]2O">>PO""CB"R"0!B"new`0``9`)"

KfO2O"&>""I B% a9"B+"FURC ?lC)G9

2O"&KfOK9Rg?B

3b#

B,-!" ?B%"RCS!T>a?"M+=Vproject.mdb?B"2

MR""G+FV),>2O`"CH"`d=`=`"=!`9>2O`"

Qazt3b/?B%"

3b/

=studde?B!"9d!F=G`d!`H"`+

9I>*9fS"h"!Be)"!"%d0+F`?BR;V`!Q`

wB?Br

% a9CB"+"Insert~?BF!CB"OF8_9new"F

)B->CB"5!new ]dBBT=2C)+F)">% `a9Q`d"

"+!9Vy?BT

private OleDbCommand cmd;

private OleDbConnection con;

private OleDbDataAdapter da;

private DataTable dt;

private string strcon = "Provider=Microsoft.Jet.OLEDB.4.0;Data

Source=|DataDirectory|" + @"\project.mdb";


{

textBox1.Clear();

textBox2.Clear();

numericUpDown1.Value = 85;

textBox4.Clear();

button1.Enabled = true;

}


{

con = new OleDbConnection();

con.ConnectionString = strcon;

cmd = new OleDbCommand();

cmd.Connection = con;

#!3!4#!*ZF#)[H-!'\$#*0/]'@Z=2

a?=89M,- 2O"CR;"BT>!!`a9!H9">

".%)%OH!

if (MySelect("select" + " " + "studnumber" + ",name" + ",family" + ",term" +

" " + "from stud" + " " + "where studnumber=" + textBox4.Text) == false)

{

89BLB%&]GV B&+":0+MH,CD"!&>=2R;

"A7)!2?>CIF!a9R>R""!BQCDQaGBT2O`"C!H`B!`B

"?BR;""\f+"?BMDataTable!_!?)"!HGDataTable

V 0)

{

return true;

}

else

return false;

}

)B>2O`"&K`fOR"!B

try

{

if (textBox4.Text

csharp advanced

Documents