private void miDisconnectNodes_Click(object sender, EventArgs e)
{
MenuItem mi = sender as MenuItem;
if (mi != null)
{
NodeData nd = mi.Tag as NodeData;
if (nd != null)
{
LinkLineNode node = nd.Node;
if (node != null)
{
if (nd.Data != null)
{
if (nd.Data.GetType().Equals(typeof(Point)))
{
Point pt = (Point)nd.Data;
if (node.Line != null)
{
//===================
UInt32 key = node.ActiveDrawingID;
UInt32 key1 = 0;
UInt32 key2 = 0;
LinkLineNodeInPort ip = node.LinkedInPort;
node.BreakLine(pt, ref key1, ref key2);
OnDisconnectLine(ip);
if (UndoHost != null)
{
if (!UndoHost.DisableUndo)
{
LinkLineUndoReconnect undo = new LinkLineUndoReconnect(UndoHost, key, key1, key2);
LinkLineUndoBreak redo = new LinkLineUndoBreak(UndoHost, key, key1, key2, pt);
UndoHost.AddUndoEntity(new UndoEntity(undo, redo));
}
}
ActiveDrawing.RefreshControl(this);
}
}
}
}
}
}
}
protected override void OnApply(LinkLineNode node)
{
node.BreakLine(_point, ref _node1, ref _node2);
ActiveDrawing.RefreshControl(node.Parent);
}