camera = new Microsoft.WindowsMobile.Forms.CameraCaptureDialog();
                       camera.Owner = new Control();
            camera.Title = "拍照";
            camera.Mode = Microsoft.WindowsMobile.Forms.CameraCaptureMode.Still;
            camera.DefaultFileName = "photo.jpg";
            
            DialogResult dr = camera.ShowDialog();
            if (dr == DialogResult.OK ||
                dr == DialogResult.Yes)
            {
 MessageBox.Show("OK");
}
为什么总是无法拍照成功啊?老是返回Cancle