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.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in vfw.h.

See Also

Video Capture Overview, Video Capture Messages, capSetUserData