public PointRalation(PointDelegateArgs point, PointDelegateArgs parentPoint)
{
Line = new ScreenSpaceLine2()
{
Stroke = Brushes.Blue,
StrokeDashArray = new DoubleCollection(new[] { 5.0, 3.0 }),
StrokeThickness = 1.0
};
var binding = new Binding(parentPoint.Path);
binding.Source = parentPoint.Object;
binding.Mode = BindingMode.OneWay;
BindingOperations.SetBinding(Line, ScreenSpaceLine2.StartPointProperty, binding);
DependencyPropertyDescriptor.FromProperty(ScreenSpaceLine2.StartPointProperty, typeof(ScreenSpaceLine2)).AddValueChanged(Line, OnParentPointChanged);
parentPoint.Gripper.DragStart += ParentGripper_DragStart;
parentPoint.Gripper.DragEnd += ParentGripper_DragEnd;
binding = new Binding(point.Path);
binding.Source = point.Object;
binding.Mode = BindingMode.TwoWay;
BindingOperations.SetBinding(Line, ScreenSpaceLine2.EndPointProperty, binding);
DependencyPropertyDescriptor.FromProperty(ScreenSpaceLine2.EndPointProperty, typeof(ScreenSpaceLine2)).AddValueChanged(Line, OnPointChanged);
_Delta = Line.EndPoint - Line.StartPoint;
}
private void Dispose(bool disposing)
{
if (disposing)
{
if (Line != null)
{
BindingOperations.ClearAllBindings(Line);
Line = null;
}
}
}
