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   ► KBTo/From GuidesC++Statements  Print This     

Cross Ref > Statements

By Mike Prestwood

C++ versus Access VBA: A side by side comparison between C++ and Access VBA.

 
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.

C++:   try/catch
Syntax Example:
try {
  //Some code.
}
catch(AnError) {
  //Error code here.
}
[Not specified yet. Coming...]




If Statement

[Other Languages] 
C++:   if..else if..else

Same as standard C.

Syntax Example:
//C++Builder example using the VCL ShowMessage.
int x;
  
x = 8;
  
if (x == 10) {
ShowMessage("x is 10.");
} else if (x < 10) {
ShowMessage("x is less than 10.");
} else {
ShowMessage("x must be greater than 10.");
}
Access VBA:   If..ElseIf..Else..End If

The End If is optional if you put your code on a single line.

Syntax Example:
//Single line example.
If X = True Then MsgBox "hello" 
  
//Complete example. 
If X = True Then
'>>>do something.
ElseIf Y = "ABC" Then
'>>>do something.
Else
'>>>do something.
End If




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