WM_CAP_SET_USER_DATA  C0VI_U 

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 capSetUserDataKJXI6J 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.

See Also