制作TreeView树节点的方法
用于在TreeView之间调整树节点位置
//开始拖动树节点privatevoidtreeView1_ItemDrag(objectsender,ItemDragEventArgse)
{
if(e.Button==MouseButtons.Left)
{DoDragDrop(e.Item,DragDropEffects.Move);
}
}//检验拖放的数据是否适用于目标控件,即是否为TreeNode对象privatevoidtreeView1_DragEnter(objectsender,DragEventArgse){if(e.Data.GetDataPresent("System.Windows.Forms.TreeNode")){e.Effect=DragDropEffects.Move;}else{e.Effect=DragDropEffects.None;}}//拖放操作privatevoidtreeView1_DragDrop(objectsender,DragEventArgse){//获得拖放中的节点TreeNodemoveNode=(TreeNode)e.Data.GetData("System.Windows.Forms.TreeNode");//根据鼠标坐标确定要移动到的目标节点Pointpt;TreeNodetargeNode;pt=((TreeView)(sender)).PointToClient(newPoint(e.X,e.Y));targeNode=treeView1.GetNodeAt(pt);//如果目标节点无子节点则添加为同级节点,反之添加到下级节点的未端if(targeNode.Nodes.Count==0){targeNode.Parent.Nodes.Insert(targeNode.Index,(TreeNode)moveNode.Clone());}else{targeNode.Nodes.Insert(targeNode.Nodes.Count,(TreeNode)moveNode.Clone());}//展开目标节点,便于显示拖放效果targeNode.Expand();//移除拖放的节点moveNode.Remove();}本文地址：http://www.45fan.com/a/question/68960.html