protected override void OnMouseUp(MouseButtonEventArgs e)
{
base.OnMouseUp(e);
if (cur_drag != null)
{
cur_drag.Release(e.GetPosition(this));
cur_drag = null;
e.Handled = true;
}
}
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
if (!e.Handled)
{
if (cur_drag != null)
throw new Exception();
var _tmp = new drag_params(this);
if (_tmp.Capture(e.GetPosition(this)))
{
cur_drag = _tmp;
e.Handled = true;
}
}
}
