Picked not work in non standard Gui

Blitz3D SDK Forums/Blitz3D SDK Programming/Picked not work in non standard Gui

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Hi,
if I use a non standard drawing surface, for ex a picture box
b3d.SetBlitz3DHWND(PictureBox.Handle.ToInt32)
the functions PickedX, PickedY, PickedTime, PickedSurface exc... do not work. Why?
Thk.
Bye.