Location of a control relative to form edges?

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Hello,

I have a control that is inside a GroupBox, and that GroupBox is inside
another group box. I would like to find the location of the control relative
to the form itself. When I examine the Location of the control, it is
relative to the containing GroupBox, and the Location of that GroupBox is
relative to its containing GroupBox. Only the location of the outermost
GroupBox is relative to the edges of the form itself. So, what I've been
doing is simply adding the coordiantes of all these together to get what I
need. However, this isn't a good solution since I may want to remove/add
containing GroupBoxes, thereby necessitating code changes. Is there a clean
way to just get the Location of any control relative to the edges of the form
itself?

Thanks,
Ray

[Michael Huber]

take a look at PointToScreen and PointToClient