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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
| -
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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WM_PAINTCLIPBOARD
The WM_PAINTCLIPBOARD message is sent to the clipboard owner by a clipboard
viewer window when the clipboard contains data in the CF_OWNERDISPLAY format and
the clipboard viewer's client area needs repainting.
WM_PAINTCLIPBOARD
hwndViewer = (HWND) wParam; // handle of clipboard viewer window
hglbPs = (HGLOBAL) lParam; // handle of PAINTSTRUCT object
Parameters
hwndViewer
Value of wParam. Identifies the clipboard viewer window.
hglbPs
Value of lParam. Identifies a global DDESHARE object that contains a PAINTSTRUCT structure. The structure defines the part of the client area to paint.
Return Values
If an application processes this message, it should return zero.
Remarks
To determine whether the entire client area or just a portion of it needs
repainting, the clipboard owner must compare the dimensions of the drawing area
given in the rcpaint member of PAINTSTRUCT to the dimensions given in the most recent WM_SIZECLIPBOARD message.
The clipboard owner must use the GlobalLock function to lock the memory that contains the PAINTSTRUCT structure. Before returning, the clipboard owner must unlock that memory by
using the GlobalUnlock function.
See Also
GlobalLock, GlobalUnlock, PAINTSTRUCT, WM_SIZECLIPBOARD
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