void myBrowser_WBLButtonDown(object sender, csExWB.HTMLMouseEventArgs e) { if (cropping) { try { System.Diagnostics.Debug.WriteLine("myBrowser_WBLButtonDown"); // load image image = (Bitmap)myBrowser.DrawThumb(myBrowser.ClientSize.Width, myBrowser.ClientSize.Height, System.Drawing.Imaging.PixelFormat.Format32bppRgb); // format image AForge.Imaging.Image.FormatImage(ref image); UpdateSize(); } catch (Exception ex) { MessageBox.Show(ex.Message); } e.Handled = true; // start dragging dragging = true; // set mouse capture //myBrowser.Capture = true; // get selection start point GetImageAndScreenPoints(new Point(e.ClientX, e.ClientY), out start, out startW); // end point is the same as start end = start; endW = startW; // draw frame Graphics g = myBrowser.CreateGraphics(); DrawSelectionFrame(g); g.Dispose(); } }