private void treeView1_DragDrop(object sender, DragEventArgs e)
{
if (renderScene == null)
{
return;
}
TreeNode myNode = null;
ControlDDData data = e.Data.GetData(typeof(ControlDDData)) as ControlDDData;
if (data != null && data.extNode is TreeNode)
{
myNode = data.extNode as TreeNode;
}
else
{
return;
}
Point Position = Point.Empty;
Position.X = e.X;
Position.Y = e.Y;
Position = treeView1.PointToClient(Position);
TreeNode DropNode = this.treeView1.GetNodeAt(Position);
if (DropNode == null || DropNode.Parent == myNode || DropNode == myNode)
{
return;
}
renderScene.changePosByUniQue(myNode.Tag as String, DropNode.Tag as String);
reloadSceneInfo();
}