Get mouse position within a control during Drag/Drop

I have been trying to get this to work for a while now.  While in the Drop method I want to get the mouse position relative to the control that was dropped on.  I only get negative numbers in the point object using the following:

        CursorPos = Mouse.GetPosition(e.Source)

CursorPos is a property of type Point.

Also when in the DragOver method the value does not change while dragging.

Kinda frustrating

Lloyd Sheen