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Syntax
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Switch
(condition1,expression1 [
,condition2,expression2
...
[
,condition7,expression7]])
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Description
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Returns the expression corresponding to the first
True
condition.
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Comments
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The
Switch
function evaluates each condition and expression, returning the expression that corresponds to the first condition (starting from the left) that evaluates to
True
. Up to seven condition/expression pairs can be specified.
A runtime error is generated it there is an odd number of parameters (that is, there is a condition without a corresponding expression).
The
Switch
function returns
Null
if no condition evaluates to
True
.
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Example
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The following code fragment displays the current operating platform. If the platform is unknown, then the word "Unknown" is displayed.
Sub Main()
Dim a As Variant
a = Switch(Basic.OS = 0,"Windows XP",Basic.OS = 2,"Win32",Basic.OS = 11,"OS/2")
MsgBox "The current platform is: " & IIf(IsNull(a),"Unknown",a)
End Sub
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See Also
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Choose (function); IIf (function); If...Then...Else (statement); Select...Case (statement).
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CIMPLICITY
