ClientToScreen
The ClientToScreen function converts the client coordinates of a specified point to screen coordinates.
BOOL ClientToScreen(
HWND hWnd, // window handle for source coordinates
LPPOINT lpPoint // pointer to structure containing screen coordinates
);
Parameters
hWnd
Handle to the window whose client area is used for the conversion.
lpPoint
Pointer to a POINT structure that contains the client coordinates to be converted. The new screen coordinates are copied into this structure if the function succeeds.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
Windows NT: To get extended error information, callGetLastError.
Remarks
The ClientToScreen function replaces the client coordinates in the POINT structure with the screen coordinates. The screen coordinates are relative to the upper-left corner of the screen.
QuickInfo
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 1.0 or later.
Header: Declared in winuser.h.
Import Library: Use user32.lib.
See Also
Coordinate Spaces and Transformations Overview, Coordinate Space and Transformation Functions, MapWindowPoints, POINT, ScreenToClient
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