ScreenToClient.md

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Function name : ScreenToClient

Group: Coordinate Space and Transformation - Library: user32

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The ScreenToClient function converts the screen coordinates of a specified point on the screen to client-area coordinates.

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Code examples:

Form Magnifier

Declaration:

BOOL ScreenToClient(
	HWND hWnd,        // handle to window
	LPPOINT lpPoint   // screen coordinates
);  

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FoxPro declaration:

DECLARE INTEGER ScreenToClient IN user32;
	INTEGER   hWnd,;
	STRING  @ lpPoint  

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Parameters:

hWnd [in] Handle to the window whose client area will be used for the conversion.

lpPoint [in] Pointer to a POINT structure that specifies the screen coordinates to be converted.

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Return value:

If the function succeeds, the return value is nonzero.

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Comments:

See also: ClientToScreen.

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