I have a windowless control I am developing with ATL. It has a MousePointer property. When the mouse is over the control I return HITRESULT_HIT from QueryHitPoint.

When I contain this control in a VB form or usercontrol, the mouse pointer does not change when I move the mouse over my control. According to the "MousePointer Property" documentation, the VB container should change the mouse pointer when the mouse is "over" my control. Why doesn't this work?