WM_CAP_GET_USER_DATA message

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



WM_CAP_GET_USER_DATA 
wParam = (WPARAM) 0; 
lParam = 0L; 


Return Value

Returns a value previously saved by using the WM_CAP_SET_USER_DATA message.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Vfw.h

See also

Video Capture
Video Capture Messages

 

 

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