My sumptuous wall by Chro Khidr

Programming

chro8604 — 2019-12-07 14:24:47 UTC

Lecture 7
Message Box : pishandani payami user la layan software wata payameki gftugoiya la newan user w software.

Syntax :
MessageBox.Show(message text, Title.Buttons.Icon.Default button)==DialogResult

Example/
If ( MessageBox.Show (" Message","Titles","MessageBoxButtons.
YesNo, MessageBoxIcon.Question)==
DialogResult.Yes)
MessageBox.Show("Yes button is clicked");

Programming

chro8604 — 2019-12-07 14:25:21 UTC

Lecture 8

Arrays: krdareka ba kary denin bo pishandan w riz krdni zhmarakan
Ka la regay index nrx dadain ba array ka index hamisha zhmarayaki kamtra la array chunka ba sfr dast pe dakat .

Syntax : 1_data type[ ] array name = { nrx }

2_data type [ ] array name =new data type [array size ] { nrx }

* la regay (for loop) array drust dakain

Examples/ int[ ] A={ 1,6,7,8,9,0,};
For (int x=0; xConsole.writeline( A[ x ] );

Foreach loop : bakari dahenin bo print krdni hamu elementakan

Example / String [ ] Name = {" chro","shanya","lavin" };
Foreach( string A in Name)
Message Box.Show(A);

Sort Array : wata riz krdni zhmarakan la bchukawa bo gawra yan ba pechawana

Examples/ riz krdni zhmarakan la bchukawa bo gawra

int[ ]a={ 3,6,7,8,9};
Array.sort(a );
Foreach(int b in a){
Console.writeLine (b);
}

La gawrawa bo bchuk
int[ ]a={ 3,6,7,8,9};
Array.sort(a );
Array.revers(a);
Foreach(int b in a){
Console.writeLine (b);
}

Programming

chro8604 — 2019-12-07 14:27:06 UTC

Lectures 9

List : one of the classes introduced by the System.Collection.Generics namespace is name list .
Syntax :
List List name = new List< data
type>();

Note: zyad krd yan srinaway nrx la naw list la regay amanawa dakret

List name.Add();
List name .remove();

Array list : lera da datwanin data type jywazman habet ka pewisty ba converte krdn haya

Syntax: ArrayList arraylist name = new ArrayList();

Exception Handling : britya law error ka la programakada dardakawet yan drust dabet
C# exception handling is built upon four keywords
Try : lera codakani programaka danusin
Catch: lera error dabinin
Finally: lera agar exception habet yan na aw krdaray ka daynusin jebaje dabet
Throw:

chro8604 — 2019-12-07 14:27:54 UTC

Lectures 10

Error
1_
Design time errors : aw error drust dabet la katy drust krdni programaka

Note : Asana bo dyari krdn chunka errorakan hellyan ba zher da det w rangyan jyawaza

Blue: edit and continue issues
Red: syntex errors
Green: compiler warnings

2_ Run _Time Error : aw error ka programaka dawastenet dway run krdn
3_ Logic errors : qurstrin error bo dizinawa chunka aw anjamay chawarey dakai awa nabiny

Object : xoman drusty dakain bo away daxli naw class bin wa aw shtanay ka la naw class dan datwanin la regay object bangya bkain .

System:
Class name name of object = new class name as a method

Class : aw jegayaya ka datwanin ba sheway group ( variable , method ) daxl bkain
Constructor : methodeka ka haman nawy class habet la katekda jebaje dabet agar object habu .

chro8604 — 2019-12-07 14:28:13 UTC

Lectures 11

Method : komale codn bayakawa krdarek jebaje dakan

Syntax :
( parameter list ) {
Method body }

Method type :
Static method : pewistman ba object nya bo away bangi bkain
Chunka wshay static det la dway wshay private yan public .

Non_static method : pewistman ba drust krdni object haya bo bang krdni .

Variable types :
1_local variable : vriable defined inside methods.

2_instance variable : instance variable are variables within a class but outside any method .

3_class variable : class variable are variables declared with in a class outside any method with the static keywords .

Constant : aw variable ka nrxakanyan nagoret .

chro8604 — 2019-12-07 14:28:34 UTC

Lectures 12

Sevral controls

1_check box : aw control ya katek bakar det ka zyatr la halbzhardnekman habet .

2_Radio button : aw control ka datwanin tanya yak option halbzherin .

3_ Group box : control is container control that is used to place windows form child control in a group .

4_List box : provided a user interface to display a list of items each on a separate line.

5_Combo box : britya la lekdrawi newan listbox w textbox .

* Combo box dropDown style property
1_simple
2_DropDown
3_DropDown list

6_ picture box : provide a rectangular region for an image .

chro8604 — 2019-12-07 14:28:55 UTC

Lectures 13

MenuStrip : the menustrip class is the foundation of menu functionality in windows form .

Common dialog box : komale controly tedaya ka ba hamuyan bayakawa dawtret common dialog box .

Type common :

Open file dialog
Save file dialog
Print dialog
Font dialog
Color dialog

* datwanin notepad drust bkain ba bakar henani :
1_ menuStrip
2_common dialog box
3_rich Textbox

Tool strip : bakar det bo drust krdni toolbar