C# Windows Forms TreeView SelectedNode(VS2008)

http://www.syncfusion.com/faq/windowsforms/faq_c91c.aspx

http://stackoverflow.com/questions/4527023/get-text-of-the-clicked-node-treeview-c-winforms

http://msdn.microsoft.com/en-us/library/system.windows.forms.treeview.selectednode.aspx

             /// <summary>
             /// 点击事件
             /// </summary>
             /// <param name="sender"></param>
             /// <param name="e"></param>
             private void treeView1_Click(object sender, EventArgs e)
             {
                 //一定要这行,否则会出现点击事件现象的值,晚一步
                 treeView1.SelectedNode = treeView1.GetNodeAt(treeView1.PointToClient(Cursor.Position));

                 string snode = treeView1.SelectedNode.Text;
                 this.textBox1.Text = snode;
                 string snodeid = treeView1.SelectedNode.Name;


                 // Set the tree view's PathSeparator property.
                 treeView1.PathSeparator = ".";

                 // Get the count of the child tree nodes contained in the SelectedNode.
                 int myNodeCount = treeView1.SelectedNode.GetNodeCount(true);
                 decimal myChildPercentage = ((decimal)myNodeCount /
                   (decimal)treeView1.GetNodeCount(true)) * 100;

                 // Display the tree node path and the number of child nodes it and the tree view have.
                 MessageBox.Show("The '" + treeView1.SelectedNode.FullPath + "' node has "
                   + myNodeCount.ToString() + " child nodes.\nThat is "
                   + string.Format("{0:###.##}", myChildPercentage)
                   + "% of the total tree nodes in the tree view control.");

             }

             private void treeView1_DoubleClick(object sender, EventArgs e)
             {
                 //string snode = treeView1.SelectedNode.Text;
                 //this.textBox1.Text = snode;
                 //string snodeid = treeView1.SelectedNode.Name;
             }
             /// <summary>
             /// 鼠标点击事件,与treeView1_Click实现功能一样
             /// 2011-06-16 涂聚文
             /// 缔友计算机信息技术有限公司 捷为工作室 
             /// </summary>
             /// <param name="sender"></param>
             /// <param name="e"></param>
             private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
             {
                 string snode = e.Node.Text;// treeView1.SelectedNode.Text;
                 this.textBox1.Text = snode;
                 string snodeid = e.Node.Name;// treeView1.SelectedNode.Name;
                 decimal myChildPercentage = 0;

                 // Set the tree view's PathSeparator property.
                 treeView1.PathSeparator = ".";

                 // Get the count of the child tree nodes contained in the SelectedNode.
                 int myNodeCount = e.Node.GetNodeCount(true);
                 if (myNodeCount != 0)
                 {
                     myChildPercentage = ((decimal)myNodeCount /
                       (decimal)e.Node.GetNodeCount(true)) * 100;
                 }

                 // Display the tree node path and the number of child nodes it and the tree view have.
                 MessageBox.Show("The '" + e.Node.FullPath + "' node has "
                   + myNodeCount.ToString() + " child nodes.\nThat is "
                   + string.Format("{0:###.##}", myChildPercentage)
                   + "% of the total tree nodes in the tree view control.");
             } 
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原文地址:https://www.cnblogs.com/geovindu/p/2082526.html