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capSetUserData macro

The capSetUserData macro associates a LONG_PTR data value with a capture window. You can use this macro or explicitly call the WM_CAP_SET_USER_DATA message.

Syntax


BOOL capSetUserData(
    hwnd,
    lUser
);

Parameters

hwnd

Handle to a capture window.

lUser

Data value to associate with a capture window.

Return value

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

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 Macros

 

 

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