Csharp and VB.NET difference part-2: Keyword Differences:

Keyword Differences:

Declare a variable:

VB.NET:
Private, Public, Friend, Protected, Static1, Shared, Dim
C#:
declarators (keywords include user-defined types and built-in types)

Declare a named constant:

VB.NET:
Const
C#:
ConstCreate a new object:

VB.NET:
New, CreateObject()
C#:
new

Functionmethod does not return a value

VB.NET:
Sub
C#:
void

Overload a function or method (Visual Basic overload a procedure or method):

VB.NET:
Overloads
C#:
(No language keyword required for this purpose)

Refer to the current object

VB.NET:
Me
C#:

thisMake a nonvirtual call to a virtual method of the current object:

VB.NET:
MyClass
C#:
na

Retrieve character from a string:

VB.NET:
GetChar Function
C#:
[]

Declare a compound data type (Visual Basic Structure):

VB.NET:
Structure members End Structure
C#:
struct, class, interface

Initialize an object (constructors):

VB.NET:
Sub New()
C#:
Constructors, or system default type constructors

Terminate an object directly:

VB.NET:
na
C#:
na

Method called by the system just before garbage collection reclaims an object7:

VB.NET:
Finalize
C#:
destructor

Initialize a variable where it is declared:

VB.NET:
Dim x As Long = 5
Dim c As New Car(FuelTypeEnum.Gas)
initialize to a value
C#:
int x = 123;
or use default
constructor
int x = new int();
Take the address of a function
AddressOf (For class members, this operator returns a reference to a function in the form of a delegate instance) delegate

Declare that an object can be modified asynchronously

VB.NET:
na
C#:
volatile

Force explicit declaration of variables:

VB.NET:
Option Explicit
C#:
na. (All variables must be declared prior to use)

Test for an object variable that does not refer to an object

VB.NET:
obj = Nothing
C#:
obj == null
Value of an object variable that does not refer to an object

VB.NET:
Nothing
C#
null

Test for a database null expression

VB.NET:
IsDbNull
C#
na

Test whether a Variant variable has been initialized

VB.NET:
na
C#
na

Define a default property

VB.NET:
Default
C#
by using indexers

Refer to a base class

VB.NET:
MyBase
C#
base

Declare an interface

VB.NET:
Interface
C#
interface

Specify an interface to be implemented

VB.NET:
Implements (statement)
C#
class C1I1

Declare a class

VB.NET:
Class implementation
C#
class

Specify that a class can only be inherited. An instance of the class cannot be created.

VB.NET:
MustInherit
C#
abstract

Specify that a class cannot be inherited

VB.NET:
NotInheritable
C#
sealed

Declare an enumerated type

VB.NET:
Enum members End Enum
C#
enum

Declare a class constant

VB.NET:
Const
C#
const (Applied to a field declaration)

Derive a class from a base class

VB.NET:
Inherits C2
class C1C2

Override a method

VB.NET:
Overrides
C#
override

Declare a method that must be implemented in a deriving class

VB.NET:
MustOverride
C#
abstract

Declare a method that can't be overridden

VB.NET:
NotOverridable (Methods are not overridable by default.)
C#
sealed

Declare a virtual method, property (Visual Basic), or property accessor (C#, C++)

VB.NET:
Overridable
C#
virtual

Hide a base class member in a derived class

VB.NET:
Shadowing
C#
na

Declare a typesafe reference to a class method

VB.NET:
Delegate
C#
delegate

Specify that a variable can contain an object whose events you wish to handle

VB.NET:
WithEvents
(Write code - no specific keyword) Specify the events for which an event procedure will be called Handles (Event procedures can still be associated with a WithEvents variable by naming pattern.)
C#:
na

Evaluate an object expression once, in order to access multiple membersv

VB.NET:
With objExpr
.member
End With
C#:
na

Structured exception handling

VB.NET:
Try attempt
Catch
handle errors
Finally
always execute
End Try
C#:
try, catch, finally, throw

Decision structure (selection)

VB.NET:
Select Case ..., Case, Case Else, End Select
C#:
switch, case, default, goto, break

Decision structure (if ... then)

VB.NET:
If ... Then, ElseIf ... Then, Else, End If
C#:
if, else

Loop structure (conditional)

VB.NET:
While, Do [While, Until] ..., Loop [While, Until]
C#:
do, while, continue

Loop structure (iteration)

VB.NET:
For ..., [Exit For], Next
For Each ..., [Exit For,] Next
C#:
for, foreach

Declare an array

VB.NET:
Dim a() As Long
C#:
int[] x = new int[5];

Initialize an array

VB.NET:
Dim a() As Long = {3, 4, 5}
C#:
int[] x = new int[5] {1, 2, 3, 4, 5};

Reallocate array

VB.NET:
Redim
C#:
na

Visible outside the project or assembly

VB.NET:
Public
C#:
public

Invisible outside the assembly (C#Visual Basic) or within the package (Visual J#, JScript)

VB.NET:v Friend
C#:
internal

Visible only within the project (for nested classes, within the enclosing class)
VB.NET:
Private
C#:
private
Accessible outside class and project or module

VB.NET:
Public
C#:
public

Accessible outside the class, but within the project

VB.NET:
Friend
C#:
internal

Only accessible within class or module

VB.NET:
Private
C#:
private

Only accessible to current and derived classes

VB.NET:
Protected
C#:
protected

Preserve procedure's local variables

VB.NET:
Static
C#:
na

Shared by all instances of a class

VB.NET:
Shared
C#:
static

Comment code

VB.NET:
'
C#
Rem

VB.NET:
, for multi-line comments
C#
for XML comments

Case-sensitive

VB.NET:
No
C#:
Yes

Call Windows API

VB.NET:
Declare API
C#:
use Platform Invoke

Declare and raise an event

VB.NET:
Event, RaiseEvent
C#:
event

Threading primitives

VB.NET:
SyncLock
C#

Lock

VB.NET:
Go to
Goto
C#:
goto