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WM_SIZECLIPBOARD message

  • 아티클

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 has changed size.

#define WM_SIZECLIPBOARD                0x030B

Parameters

wParam

A handle to the clipboard viewer window.

lParam

A handle to a global memory object that contains a RECT structure. The structure specifies the new dimensions of the clipboard viewer's client area.

Return value

If an application processes this message, it should return zero.

Remarks

When the clipboard viewer window is about to be destroyed or resized, a WM_SIZECLIPBOARD message is sent with a null rectangle (0, 0, 0, 0) as the new size. This permits the clipboard owner to free its display resources.

The clipboard owner must use the GlobalLock function to lock the memory object that contains RECT. Before returning, the clipboard owner must unlock the object by using the GlobalUnlock function.

Requirements

Requirement Value
Minimum supported client
 Windows 2000 Professional [desktop apps only]
Minimum supported server
 Windows 2000 Server [desktop apps only]
Header
Winuser.h (include Windows.h)

See also

Conceptual

Clipboard