Hi Cetin,

my application uses TDI (Tree Document Interface), and uses many API function for control these schema.
For skip the need of the HwndToObj() function, i must reply all the tree of the hwnd with a equal tree of the reference to the vfp window.

Example:

GetWindow(m.tophWnd,GW_CHILD) is fast, and uses sure windows parent-child internal structure.

Any replication schema, it is a source of possible bugs, caused from syncronization errors.

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I uses GetActiveWindow() in order to cover the phase in which
_SCREEN.ActiveForm it is not defined.

Fabio