Hi Joe,
>I have a modal form in my app. Whenever the user clicks on the little icon in the upper left corner I get a "function argument value, type, or count is invalid.
This sounds like one of the expressions is wrong that VFP evaluates on its own, like ControlSource or all of the Dynamic properties in the grid. Maybe they refer to a function or use a property that is not available, anymore.
Do you have a ON KEY LABEL MOUSE or ON KEY LABEL LEFTMOUSE in your application?
Christof
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Christof