You can save image , save the file in your current directory application and move the file to any directory .
Bitmap btm = new Bitmap(image.width,image.height);
Image img = btm;
img.Save(@"img_" + x + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
FileInfo img__ = new FileInfo(@"img_" + x + ".jpg");
img__.MoveTo("myVideo\\img_" + x + ".jpg");