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ScreenToClient
..msdn Add comment W32 Constants Translate this page |
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The ScreenToClient function converts the screen coordinates of a specified point on the screen to client-area coordinates. |
| | | Code examples: | | |
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| | | 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. |
| | | Return value: | | | If the function succeeds, the return value is nonzero. |
| | | Usage: | |
cBuffer = REPLICATE(Chr(0), 8)
= GetCursorPos(@cBuffer)
= ScreenToClient(THIS.hForm, @cBuffer)
nX = buf2dword(SUBSTR(cBuffer, 1,4))
nY = buf2dword(SUBSTR(cBuffer, 5,4))
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| | | My comment: | | See also: ClientToScreen
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| | | Word Index links for the ScreenToClient : | | |
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| | | Translate this page: | | | | | | • | | | Created: | 2003-07-14 21:25:56 | | Modified: | 2007-06-11 16:26:31 |
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