private void CanvasBoard_Drop(object sender, DragEventArgs e)
{
if (sender != null)
{
var classOutline = new ClassBoxControl(100, 150);
Canvas.SetLeft(classOutline, e.GetPosition(CanvasBoard).X);
Canvas.SetTop(classOutline, e.GetPosition(CanvasBoard).Y);
CanvasBoard.Children.Add(classOutline);
}
}
private void CanvasBoard_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var result = VisualTreeHelper.HitTest(CanvasBoard, e.GetPosition(CanvasBoard));
DependencyObject obj = VisualTreeHelper.GetParent(result.VisualHit);
while (obj != null)
{
if (obj is ClassBoxControl)
{
_currentControl = obj as ClassBoxControl;
if (_currentControl.TemplatedParent != null)
{
_currentControl = _currentControl.TemplatedParent as ClassBoxControl;
}
break;
}
else
{
obj = VisualTreeHelper.GetParent(obj);
}
}
}
private void CanvasBoard_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
_currentControl = null;
}