ChildWindowFromPoint function user32

int ChildWindowFromPoint(
  1. int hWndParent,
  2. POINT Point
)

Determines which, if any, of the child windows belonging to a parent window contains the specified point. The search is restricted to immediate child windows. Grandchildren, and deeper descendant windows are not searched.

HWND ChildWindowFromPoint(
  HWND  hWndParent,
  POINT Point
);

Implementation

int ChildWindowFromPoint(int hWndParent, POINT Point) =>
    _ChildWindowFromPoint(hWndParent, Point);