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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_CHANGECBCHAIN
The WM_CHANGECBCHAIN message is sent to the first window in the clipboard
viewer chain when a window is being removed from the chain.
WM_CHANGECBCHAIN
hwndRemove = (HWND) wParam; // handle of window being removed
hwndNext = (HWND) lParam; // handle of next window in chain
Parameters
hwndRemove
Value of wParam. Identifies the window being removed from the clipboard viewer chain.
hwndNext
Value of lParam. Identifies the next window in the chain following the window being removed.
This parameter is NULL if the window being removed is the last window in the
chain.
Return Values
If an application processes this message, it should return zero.
Remarks
Each clipboard viewer window saves the handle of the next window in the
clipboard viewer chain. Initially, this handle is the return value of the SetClipboardViewer function.
When a clipboard viewer window receives the WM_CHANGECBCHAIN message, it
should call the SendMessage function to pass the message to the next window in the chain, unless the next
window is the window being removed. In this case, the clipboard viewer should
save the handle specified by hwndNext as the next window in the chain.
See Also
SendMessage, SetClipboardViewer
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