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VBS

If...Then...Else


Description

The If...Then...Else statement conditionally executes a group of statements, depending on the value of an expression.

This statement has the following forms:

' Block syntax
If condition Then
   [statements]
[ElseIf condition-n Then
   [elseifstatements]] . . .
[Else
   [elsestatements]]
End If
' Single-Line syntax
If condition Then statements [Else elsestatements ]
Parameter Description
condition One or more of the following two types of expressions:

A numeric or string expression that evaluates to True or False. If condition is Null, condition is treated as False

An expression of the form TypeOf objectname Is objecttype. The objectname is any object reference and objecttype is any valid object type. The expression is True if objectname is of the object type specified by objecttype; otherwise it is False.
statements One or more statements separated by colons; executed if condition is True
condition-n Same as condition
elseifstatements One or more statements executed if the associated condition-n is True
elsestatements (optional) Specifies the return value of the If...Then...Else

Examples

The following example shows the basic use of this statement:

If i=10 Then
  Msgbox("i is equal to 10")
ElseIf i=20 Then
  Msgbox("i is equal to 20")
Else
  Msgbox("i is not equal to 10 or 20")
End If

Miscellaneous Information

Supported in Version: 1.0


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