private void HitTesting(Point p)
{
var element = (srcPin.Parent as ControlAdorner).AdornedElement;
VisualTreeHelper.HitTest(designCanvas, null, new HitTestResultCallback(HitTestResultCB1), new PointHitTestParameters(p));
DependencyObject selectedObj = result == null ? null : result.VisualHit;
while (selectedObj != null && selectedObj != designCanvas)
{
if (selectedObj is LinkableControl && selectedObj != element)
{
HitLinkableControl = selectedObj as LinkableControl;
AdornerLayer layer = AdornerLayer.GetAdornerLayer(HitLinkableControl);
PointHitTestParameters param = new PointHitTestParameters(designCanvas.TranslatePoint(p, layer));
VisualTreeHelper.HitTest(layer, null, new HitTestResultCallback(HitTestResultCB1), param);
selectedObj = result == null ? null : result.VisualHit;
while (selectedObj != null && selectedObj != designCanvas)
{
if (selectedObj is LinkPin)
{
HitPin = (LinkPin)selectedObj;
return;
}
selectedObj = VisualTreeHelper.GetParent(selectedObj);
}
return;
}
selectedObj = VisualTreeHelper.GetParent(selectedObj);
}
HitLinkableControl = null;
HitPin = null;
}
public PinAdorner(Panel designer, LinkPin sourcePin) : base(designer)
{
this.designCanvas = designer;
this.srcPin = sourcePin;
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
this.Cursor = Cursors.Cross;
}
public ControlAdorner(LinkableControl AdorneredItem)
: base(AdorneredItem)
{
_children = new List <LinkPin>(4);
foreach (var pos in AdorneredItem.GetLinkPositions())
{
LinkPin pin = new LinkPin(pos.Orient, pos.Position);
this._children.Add(pin);
this.AddLogicalChild(pin);
this.AddVisualChild(pin);
}
}