public sealed class ImageViewerRubberBandEventArgs : ~Remove~
function Leadtools.Controls.ImageViewerRubberBandEventArgs()
[TestMethod] public void ImageViewerRubberBandInteractiveModeExample() { // Set rubber band as the default interactive mode ImageViewerRubberBandInteractiveMode rubberBandMode = new ImageViewerRubberBandInteractiveMode(); // Customize it rubberBandMode.BorderColor = Windows.UI.Color.FromArgb(255, 255, 0, 0); rubberBandMode.BorderDashArray = 4; rubberBandMode.BorderThickness = 2; rubberBandMode.BorderDashOffset = 2; // Hook to its RubberBandCompleted event rubberBandMode.RubberBandCompleted += rubberBandMode_RubberBandCompleted; _viewer.DefaultInteractiveMode = rubberBandMode; _infoLabel.Text = "Draw a blue with yellow border rectangle on the image"; } // Called by the base class when the mode is stopped void rubberBandMode_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e) { // Get the final rectangle LeadRectD rect = LeadRectDHelper.FromLTRB(e.Point1.X, e.Point1.Y, e.Point2.X, e.Point2.Y); // Get the visible rect of the _viewer Rect imageControlRect = _viewer.ImageControlRectangle(true); LeadRectD visibleRect = LeadRectDHelper.FromLTRB(imageControlRect.Left, imageControlRect.Top, imageControlRect.Right, imageControlRect.Bottom); // Interset this rectangle with the visible area of the _viewer rect = LeadRectDHelper.Intersect(rect, visibleRect); // Make sure it has some width and height and not too small if (rect.Width > 0 && rect.Height > 0) { // Get the viewer canvas Canvas viewerCanvas = _viewer.InteractiveModeCanvas; double x = rect.X; double y = rect.Y; double width = rect.Width; double height = rect.Height; // Add rectangle shape filled with Blue Rectangle rectShape = new Rectangle { Width = rect.Width, Height = rect.Height, Fill = new SolidColorBrush(Windows.UI.Color.FromArgb(255, 0, 0, 255)), StrokeThickness = 2 }; Canvas.SetLeft(rectShape, x); Canvas.SetTop(rectShape, y); viewerCanvas.Children.Add(rectShape); // Invalidate the _viewer (so it draws the back canvas into the foreground) _viewer.Invalidate(); } }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2