public void StopOperation(bool commit)
{
if (!_done)
{
_done = true;
_ui._parent.Canvas.Children.Remove(_visualizer);
_ui.MouseMove -= HandleMouseMove;
_ui.MouseUp -= HandleMouseUp;
_ui.ReleaseMouseCapture();
if (commit && (_startPoint - _p0).Length > 2)
{
if (!_moveEndingSuccessful)
{
_movingPointDocking = ConnectorDocking.Undefined;
_newMoveDistance = 0.5;
_otherPointDocking = ConnectorDocking.Undefined;
}
_moveHelper.Commit(_movingPointDocking, _otherPointDocking, _movePointStart, _otherPointPosition, _newMoveDistance);
}
else
{
_ui.DropSnapshot();
}
_ui.UpdateGeometry();
}
}
public void OnKeyDown(System.Windows.Input.KeyEventArgs e)
{
if (e.Key == System.Windows.Input.Key.Escape)
{
_ui.DropSnapshot();
StopOperation(false);
}
}