private void Node_MouseUp(object sender, MouseEventArgs e)
{
if (_ball != null && _ball.IsRunning)
{
return;
}
Node ctl = (Node)sender;
if (e.Button == MouseButtons.Left)
{
if (this.Tool == DrawingTools.Edge)
{
Point p2 = this.PointToClient(ctl.PointToScreen(e.Location));
Node node = this.GetChildAtPoint(p2) as Node;
if (node != null)
{
_edges.Add(new Edge(_startIndex, node.Index));
}
}
Invalidate();
OnContentChanged(null, null);
}
}
