Node("节点7")})})})}),
                      new System.Windows.Forms.TreeNode("节点2", new System.Windows.Forms.TreeNode[] {
                                           new System.Windows.Forms.TreeNode("节点0")}),
                      new System.Windows.Forms.TreeNode("节点3")});
   this.treeView1.SelectedImageIndex = -1;
   this.treeView1.Size = new System.Drawing.Size(216, 232);
   this.treeView1.TabIndex = 0;
   this.treeView1.Click += new System.EventHandler(this.treeView1_Click);
   this.treeView1.BeforeCollapse += new System.Windows.Forms.TreeViewCancelEventHandler(this.treeView1_BeforeCollapse);
   this.treeView1.BeforeExpand += new System.Windows.Forms.TreeViewCancelEventHandler(this.treeView1_BeforeExpand);
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(256, 266);
   this.Controls.Add(this.treeView1);
   this.Name = "Form1";
   this.Text = "Form1";
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 应用程序的主入口点。
  /// </summary>
  [STAThread]
  static void Main() 
  {
   Application.Run(new Form1());
  }

  private void treeView1_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
  {
   string path = null;

   TreeNode node = this.treeView1.SelectedNode;
   if (node != null)
   {
    path = node.Text;
    while (node.Parent != null )
    {
     node = node.Parent;
     path = node.Text + "\\"+ path;
    }
   }
  }

  private bool tmpBool;//用来决定是否打开或关闭树的节点

  private void treeView1_Click(object sender, System.EventArgs e)
  {
   object tmpObj = this.treeView1.GetNodeAt(this.treeView1.PointToClient(Cursor.Position));
   if (tmpObj!=null)
   {
    if ((tmpObj as TreeNode).Bounds.Contains(this.treeView1.PointToClient(Cursor.Position)))
    {
     tmpBool = true;
    }
   }
  }

  private void treeView1_BeforeExpand(object sender, System.Windows.Forms.TreeViewCancelEventArgs e)
  {
   if (tmpBool)
   {
    e.Cancel = tmpBool;
   }
   tmpBool = false;
  }
  private void treeView1_BeforeCollapse(object sender, System.Windows.Forms.TreeViewCancelEventArgs e)
  {
   if (tmpBool)
   {
    e.Cancel = tmpBool;
   }
   tmpBool = false;
  }
 }
}

上一页  [1] [2]