public static extern bool AVISaveOptions( IntPtr hwnd, UInt32 uiFlags, Int32 nStreams, ref IntPtr ppavi, ref AVICOMPRESSOPTIONS_CLASS plpOptions );
public static extern int AVISaveV( String szFile, Int16 empty, Int16 lpfnCallback, Int16 nStreams, ref IntPtr ppavi, ref AVICOMPRESSOPTIONS_CLASS plpOptions );
public static extern long AVISaveOptionsFree( int nStreams, ref AVICOMPRESSOPTIONS_CLASS plpOptions );