Picture-In-Picture in Video Edit SDK .Net

string[] files = {  "c:\\samples\\!video.avi", "c:\\samples\\!video2.wmv" };

FileSegment[] segments1 = new[] { new FileSegment(0, 10000) };

var videoFile = new VideoSource(
                                files[0],
                                segments1,
                                VideoEditStretchMode.Letterbox,
                                0,
                                1.0);

FileSegment[] segments2 = new[] { new FileSegment(0, 10000) };

var videoFile2 = new VideoSource(
                                files[1],
                                segments2,
                                VideoEditStretchMode.Letterbox,
                                0,
                                1.0);

var rect1 = new Rectangle(0, 0, 1280, 720);

var rect2 = new Rectangle(100, 100, 320, 240);

VideoEdit1.Input_AddVideoFile_PIP(videoFile, videoFile2, 0, 10000, VideoEditPIPMode.Custom, true, 1280, 720, 0, rect2, rect1);

VideoEdit1.Input_AddVideoFile_PIP(videoFile, videoFile2, 0, 10000, VideoEditPIPMode.Horizontal, false);

VideoEdit1.Input_AddVideoFile_PIP(videoFile, videoFile2, 0, 10000, VideoEditPIPMode.Vertical, false);