SpIsChild
From EDM2
This function indicates if a window is a descendant of another window.
Syntax: ischild = spIsChild ( hwnd , hwndParent )
Parameters:
- hwnd – Window handle of child window.
- hwndParent – Window handle of parent window.
Returns:
- True (1) – if child window is a descendant of the parent window, or is equal to it.
- False (0) – if child window is not a descendant of the parent, or is an Object Window (even if hwndParent is specified as the desktop or HWND_DESKTOP), or an error occurred.)