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IsError Function Example
This example uses the
IsError function to check if a numeric expression is an error value. The
CVErr function is used to return an
Error Variant from a user-defined function. Assume
UserFunction
is a user-defined function procedure that returns an error value; for example, a return value assigned with the statement
UserFunction = CVErr(32767)
, where 32767 is a user-defined number.
Dim ReturnVal, MyCheck
ReturnVal = UserFunction()
MyCheck = IsError(
ReturnVal)
' Returns True.