ICM_ABOUT
The ICM_ABOUT message notifies a video compression driver to display its About dialog box or queries a video compression driver to determine if it has an About dialog box. You can send this message explicitly or by using the ICAbout macro.
ICM_ABOUT
wParam = (DWORD) (UINT) hwnd;
lParam = 0;
Parameters
hwnd
Handle to the parent window of the displayed dialog box.
You can also determine if a driver has an About dialog box by specifying -1 in this parameter, as in the ICQueryAbout macro. The driver returns ICERR_OK if it has an About dialog box or ICERR_UNSUPPORTED otherwise.
Return Values
Returns ICERR_OK if the driver supports this message or ICERR_UNSUPPORTED otherwise.
Requirements
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Vfw.h.
See Also
Video Compression Manager, Video Compression Messages, ICAbout, ICQueryAbout