// Return the sizer item located at the point given in pt, or NULL if
// there is no item at that point. The (x,y) coordinates in pt correspond
// to the client coordinates of the window using the sizer for
// layout. (non-recursive)
wxGBSizerItem* FindItemAtPoint(const wxPoint& pt);
// Return the sizer item located at the point given in pt, or NULL if
// there is no item at that point. The (x,y) coordinates in pt correspond
// to the client coordinates of the window using the sizer for
// layout. (non-recursive)
wxGBSizerItem* FindItemAtPoint(const wxPoint& pt);