public void MouseLeftButtonUp_CreateArrow(object sender, MouseButtonEventArgs e)
{
canvas.MouseMove -= MouseMove_ArrowDrawing;
if (classBox is ClassBox)
{
Point classBoxPoint = classBox.TransformToAncestor(canvas).Transform(new Point(0, 0));
Point pt = new Point(classBoxPoint.X + classBox.ActualWidth / 2, classBoxPoint.Y + classBox.ActualHeight / 2);
classBox.linkPoint = pt;
arrow.X2 = pt.X;
arrow.Y2 = pt.Y;
classBox.arrowLinesTo.Add(arrow);
}
else
{
canvas.Children.Remove(arrow);
arrow = null;
}
foreach (object obj in canvas.Children)
{
if (obj is ClassBox)
{
ClassBox cb = (ClassBox)obj;
cb.MouseLeftButtonDown -= MouseLeftButtonDown_CreateArrow;
cb.MouseLeftButtonDown += MouseLeftButtonDown_groupClassBox;
cb.MouseLeftButtonUp -= MouseLeftButtonUp_CreateArrow;
}
}
canvas.MouseLeftButtonUp -= MouseLeftButtonUp_CreateArrow;
}
private void CreateLinkBetweenClassBoxes()
{
arrow = new ArrowLine();
arrow.Stroke = Brushes.White;
arrow.StrokeThickness = 5;
foreach (object obj in canvas.Children)
{
if (obj is ClassBox)
{
ClassBox classBox = (ClassBox)obj;
classBox.MouseLeftButtonDown -= MouseLeftButtonDown_groupClassBox;
classBox.MouseLeftButtonDown += MouseLeftButtonDown_CreateArrow;
classBox.MouseLeftButtonUp += MouseLeftButtonUp_CreateArrow;
}
}
canvas.MouseLeftButtonUp += MouseLeftButtonUp_CreateArrow;
}