Esempio n. 1
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 // This method establishes a link between current thumb and specified thumb.
 // Returns a line geometry with updated positions to be processed outside.
 public LineGeometry LinkTo(MyThumb target)
 {
     // Create new line geometry
     LineGeometry line = new LineGeometry();
     // Save as starting line for current thumb
     this.StartLines.Add(line);
     // Save as ending line for target thumb
     target.EndLines.Add(line);
     // Ensure both thumbs the latest layout
     this.UpdateLayout();
     target.UpdateLayout();
     // Update line position
     line.StartPoint = new Point(Canvas.GetLeft(this) + this.ActualWidth / 2, Canvas.GetTop(this) + this.ActualHeight / 2);
     line.EndPoint = new Point(Canvas.GetLeft(target) + target.ActualWidth / 2, Canvas.GetTop(target) + target.ActualHeight / 2);
     // return line for further processing
     return line;
 }
Esempio n. 2
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 // This method establishes a link between current thumb and target thumb using a predefined line geometry
 // Note: this is commonly to be used for drawing links with mouse when the line object is predefined outside this class
 public bool LinkTo(MyThumb target, LineGeometry line)
 {
     // Save as starting line for current thumb
     this.StartLines.Add(line);
     // Save as ending line for target thumb
     target.EndLines.Add(line);
     // Ensure both tumbs the latest layout
     this.UpdateLayout();
     target.UpdateLayout();
     // Update line position
     line.StartPoint = new Point(Canvas.GetLeft(this) + this.ActualWidth / 2, Canvas.GetTop(this) + this.ActualHeight / 2);
     line.EndPoint = new Point(Canvas.GetLeft(target) + target.ActualWidth / 2, Canvas.GetTop(target) + target.ActualHeight / 2);
     return true;
 }