I am afraid that you have the form with some classes on it. And the particular class contains the improper setting. One of them can be:

.....DisabledForeColor="0,0,0"

If error appears in the run mode, then (usually) you may use debugger to catch the line.


>Hi,
>
>What does it mean when the error "Datatype is invalid for this property" appears as I'm trying to open a specific form for code modification? I am subsequently able to open the form, compile and process with no problems but I am concerned that there may be an underlying problem that can cause data errors or corruption during execution.
>
>Thanks,
>-Shuli