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Return error values from user defined functions

Return error values from user defined functions

With the example function below you can get user defined functions to return error values just like the built in functions in Excel do.

Function DummyFunctionWithErrorCheck(InputValue As Variant) As Variant
    If InputValue < 0 Then ' return an error value
        DummyFunctionWithErrorCheck = CVErr(xlErrNA) ' retunerer #I/T!
        ' xlErrDiv0, xlErrNA, xlErrName, xlErrNull, xlErrNum , xlErrRef, xlErrValue
        Exit Function
    End If
    ' do the calculation
    DummyFunctionWithErrorCheck = InputValue * 2
End Function


Document last updated 2000-02-04 12:45:07      Printerfriendly version


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