private void InitializeDragThumbs()
{
Style dragThumbStyle = connection.FindResource("ConnectionAdornerThumbStyle") as Style;
//source drag thumb
sourceDragThumb = new Thumb();
Canvas.SetLeft(sourceDragThumb, connection.AnchorPositionSource.X);
Canvas.SetTop(sourceDragThumb, connection.AnchorPositionSource.Y);
this.adornerCanvas.Children.Add(sourceDragThumb);
if (dragThumbStyle != null)
{
sourceDragThumb.Style = dragThumbStyle;
}
sourceDragThumb.DragDelta += new DragDeltaEventHandler(thumbDragThumb_DragDelta);
sourceDragThumb.DragStarted += new DragStartedEventHandler(thumbDragThumb_DragStarted);
sourceDragThumb.DragCompleted += new DragCompletedEventHandler(thumbDragThumb_DragCompleted);
// sink drag thumb
sinkDragThumb = new Thumb();
Canvas.SetLeft(sinkDragThumb, connection.AnchorPositionSink.X);
Canvas.SetTop(sinkDragThumb, connection.AnchorPositionSink.Y);
this.adornerCanvas.Children.Add(sinkDragThumb);
if (dragThumbStyle != null)
{
sinkDragThumb.Style = dragThumbStyle;
}
sinkDragThumb.DragDelta += new DragDeltaEventHandler(thumbDragThumb_DragDelta);
sinkDragThumb.DragStarted += new DragStartedEventHandler(thumbDragThumb_DragStarted);
sinkDragThumb.DragCompleted += new DragCompletedEventHandler(thumbDragThumb_DragCompleted);
}