WM_CAP_SET_USER_DATA
The WM_CAP_SET_USER_DATA message associates a LONG data value with a capture window. You can send this message explicitly or by using the capSetUserData macro.
WM_CAP_SET_USER_DATA
wParam = (WPARAM) 0;
lParam = (LPARAM)lUser;
Parameters
lUser
Data value to associate with a capture window.
Return Values
Returns TRUE if successful or FALSE if streaming capture is in progress.
Remarks
Typically this message is used to point to a block of data associated with a capture window.
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