关于treeview的问题。急
我想点击树的空白区域使选中树节点取消选中状态。怎么弄 ？
各位帮帮忙吧！

[解决办法]

C# code

private void treeView1_MouseUp(object sender, MouseEventArgs e)        {            TreeNode td = this.treeView1.GetNodeAt(e.X, e.Y);            if (td == null)                this.treeView1.SelectedNode = null;        }
[解决办法]
探讨

  
C# codeprivate void treeView1_MouseUp(object sender, MouseEventArgs e)
        {
            TreeNode td = this.treeView1.GetNodeAt(e.X, e.Y);
            if (td == null)
                this.treeView1.SelectedNode = null;
        }