capCaptureSingleFrameOpen macro (vfw.h)

Article
02/22/2024

The capCaptureSingleFrameOpen macro opens the capture file for single-frame capturing. Any previous information in the capture file is overwritten. You can use this macro or explicitly send the WM_CAP_SINGLE_FRAME_OPEN message.

Syntax

void capCaptureSingleFrameOpen(
   hwnd
);

Parameters

hwnd

Handle to a capture window.

Return value

None

Remarks

For information about installing callback functions, see the capSetCallbackOnError and capSetCallbackOnFrame macros.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	vfw.h