private void SetSelected(_Control control)
{
_selectedControls.Add(control);
if (null == _adornerLayer)
{
_adornerLayer = AdornerLayer.GetAdornerLayer(control);
}
int rootHasCode = control.GetHashCode();
if (!_adorners.ContainsKey(rootHasCode))
{
if (control is _Line)
{
_adorners.Add(rootHasCode, new LineAdorner(control as _Line));
}
else
{
_adorners.Add(rootHasCode, new ElementAdorner(control));
}
}
ElementAdorner rootAdorner = _adorners[rootHasCode];
_adornerLayer.Add(rootAdorner);
LoadAdorner(rootAdorner);
}
private void HandlerMouseButtonLeftDown(MouseButtonEventArgs e, _Control rootElement)
{
if (null != rootElement)
{
if (null == _adornerLayer)
{
_adornerLayer = AdornerLayer.GetAdornerLayer(rootElement);
}
int rootHasCode = rootElement.GetHashCode();
if (!_adorners.ContainsKey(rootHasCode))
{
if (rootElement is _Line)
{
_adorners.Add(rootHasCode, new LineAdorner(rootElement as _Line));
}
else
{
_adorners.Add(rootHasCode, new ElementAdorner(rootElement));
}
}
ElementAdorner rootAdorner = _adorners[rootHasCode];
if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
if (_selectedControls.Contains(rootElement))
{
_adornerLayer.Remove(rootAdorner);
UnLoadAdorner(rootAdorner);
_selectedControls.Remove(rootElement);
}
else
{
_adornerLayer.Add(rootAdorner);
LoadAdorner(rootAdorner);
_selectedControls.Add(rootElement);
rootAdorner.RaisePreviewMouseLeftButtonDown(e);
}
}
else
{
CleanSelection();
_adornerLayer.Add(rootAdorner);
LoadAdorner(rootAdorner);
_selectedControls.Add(rootElement);
rootAdorner.RaisePreviewMouseLeftButtonDown(e);
}
}
else
{
CleanSelection();
}
if (null != SelectionChangedAction)
{
SelectionChangedAction(_selectedControls);
}
}