WM_CAP_GET_USER_DATA  KSWPYR 

The WM_CAP_GET_USER_DATA message retrieves a LONG data value associated with a capture window. You can send this message explicitly or by using the capGetUserDataJ9VOO7 macro.

WM_CAP_GET_USER_DATA

wParam = (WPARAM) 0;

lParam = 0L;

Return Values

Returns a value previously saved by using the WM_CAP_SET_USER_DATAmessage.

See Also