WRITEEXCEL problem in IF statement

Hello folks,

I tried to write a routine that stores intermediate results only when I invoke it. For this purpose I'm using a list box that gives out a command variable (out) so that only the parts of the routine are executed that comply with this value. The subsequent routine has either to write or read to a given file data. All works fine and swell except that the first if condition is evaluated when I'm choosing the second one.

The file (MathCad 15 on a Win / 64 Bit machine) is added.

Can somebody spot the error?

Thanks in advance

Raiko