Call Stack Window Microsoft Visual Studio

Visual Studio > Call Stack Window

Using the Call Stack Window  you can view the function calls that are currently on the stack.
To open Call Stack Window click on
DEBUG > Windows > Call Stack

Foreach in C# example

C# > Statements > foreach, in

Foreach iterates through the collection . It can be exited by the goto, return, or throw.
Note: Cannot be used to add or remove items from the collection to avoid unpredictable side effects

Example

int[] intarray = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

foreach (int el in intarray)

{

MessageBox.Show(el.ToString()); 

}

C# Statements

C# > Statements

Statements are executed in sequence and are program instructions

Selection

• switch

Iteration

• while
• foreach in

Jump

• break

Namespace

• using

AddHandler Visual Basic Example

VB.NET > Statements > AddHandler

AddHandler link an event with an event handler at run time.

Example:

1. Add event to an object

Public Class Form1

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Dim Obj As New Class1
        ' Associate an event handler with an event
        AddHandler Obj.myEvent, AddressOf EvHandler
        Obj.Class1Event()
    End Sub

    Sub EvHandler()

        ' Handle the event
        MsgBox("EvHandler")
    End Sub

    Public Class Class1
        Public Event myEvent()
        Public Sub Class1Event()
            RaiseEvent myEvent()
        End Sub
    End Class

End Class

2. Handle events for dynamic runtime control

Enum type c# example

C# > Types > enum

Enum is s type that contains of a set of named constants called the enumerator list.
By default the first enumerator has the value 0, and the value of each successive enumerator is increased by 1.

• EnumMemberAttribute

Example:

A.

enum SomeMonths { January, February, March };
enum OtherMonths { April = 1, May }; //Enumerators can use initializers to override the default values

int v = (int)SomeMonths.January; // 0
v = (int)OtherMonths.May; // 2

B. String Enum

Long type C# Example

C# > Types > long

The long keyword is an integral type.
Range: –9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
Size: Signed 64-bit integer

Example:

long l = 21321321321;

long l1 = 21321321321L; // using suffix L

int i = 100L; // Error: Error 1 Cannot implicitly convert type 'long' to 'int'. An explicit conversion exists (are you missing a cast?)

int x = (int)100L; // OK

Serialization C#

C#  > Serialization  

Serialization  role is to save the state of an object. It converts an object into a stream of bytes. The reverse process is called deserialization.

• DataContractAttribute