The WM_CAP_FILE_SAVEDIB message copies the current frame to a DIB file. You can send this message explicitly or by using the capFileSaveDIB macro.
WM_CAP_FILE_SAVEDIB
wParam = (WPARAM) 0;
lParam = (LPARAM) (LPVOID) (LPSTR) (szName);
Returns TRUE if successful or FALSE otherwise.
If an error occurs and an error callback function is set using the WM_CAP_SET_CALLBACK_ERROR message, the error callback function is called.
If the capture driver supplies frames in a compressed format, this call attempts to decompress the frame before writing the file.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in vfw.h.
Unicode: Defined as Unicode and ANSI messages.
Video Capture Overview, Video Capture Messages, capFileSaveDIB, WM_CAP_SET_CALLBACK_ERROR