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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| user32.lib
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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ChildWindowFromPoint
The ChildWindowFromPoint function determines which, if any, of the child windows belonging to a parent
window contains the specified point.
HWND ChildWindowFromPoint(
HWND hWndParent,
| // handle to parent window
| POINT Point
| // structure with point coordinates
| );
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Parameters
hWndParent
Identifies the parent window.
Point
Specifies a POINT structure that defines the client coordinates of the point to be checked.
Return Values
If the function succeeds, the return value is the handle of the child window
that contains the point, even if the child window is hidden or disabled. If the
point lies outside the parent window, the return value is NULL. If the point is
within the parent window but not within any child window, the return value is
the handle to the parent window.
Remarks
Windows maintains an internal list, containing the handles of the child
windows associated with a parent window. The order of the handles in the list depends
on the Z order of the child windows. If more than one child window contains
the specified point, Windows returns the handle of the first window in the list
that contains the point.
See Also
ChildWindowFromPointEx, POINT, WindowFromPoint
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Unix Manual Pages
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