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   ► KBTo/From GuidesVB.NetStatements  Print This     

Cross Ref > Statements

By Mike Prestwood

VB.Net versus C++/CLI: A side by side comparison between VB.Net and C++/CLI.

 
Statements
 

Common statements such as if statements, loops, etc.

Exception Trapping

[Other Languages] 

Languages Focus

A common usage of exception handling is to obtain and use resources in a "try-it" block, deal with any exceptions in an "exceptions" block, and release the resources in some kind of "final" block which executes whether or not any exceptions are trapped.

VB.Net:   Try...Catch...Finally

VB.Net uses a try...catch...finally statement to trap for errors.

Try
Catch
Finally
End Try
Syntax Example:
Try
Dim y As Integer = 0
y = 1 / y
Catch
MessageBox.Show("you cannot divide by zero")

End Try
[Not specified yet. Coming...]




If Statement

[Other Languages] 
VB.Net:   If..ElseIf..Else..End If

Same as VB classic.

Syntax Example:  
If x Then
MessageBox.Show("hello")
ElseIf Not x Then
MessageBox.Show("goodbye")
Else
MessageBox.Show("what?")
End If
C++/CLI:   if..else if..else

Same as standard C.

Syntax Example:
int x;
  
x = 8;
  
if (x == 10) {
MessageBox::Show("x is 10");
} else if (x < 10) {
MessageBox::Show("x is less than 10");
} else {
MessageBox::Show("x must be greater than 10");
}




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