namespace 树
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_load(object Sender, EventArgs e)
{
this.treeView1.Nodes.AddRange(new TreeNode[] {
new TreeNode("中国直辖市", new TreeNode[] {
new TreeNode("北京市", new TreeNode[] {
new TreeNode("东城区"), new TreeNode("西城区"),new TreeNode("朝阳区")}),
new TreeNode("上海市", new TreeNode[] {new TreeNode("长宁区"),
new TreeNode("黄埔区"), new TreeNode("浦东区")}),
new TreeNode("重庆市", new TreeNode[] {
new TreeNode("长寿区", new TreeNode[] {new TreeNode("云台镇"),
new TreeNode("凤城镇", new TreeNode[] {new TreeNode("黄桷湾"),new TreeNode("关口")})}),
new TreeNode("渝北区"),new TreeNode("北碚区")})})});
this.treeView1.AllowDrop = true;
this.treeView1.ExpandAll();
}
}
}版本是visual studio 2005,执行后树里什么东西都没有也不报错和警告等。哪里有问题吗?
这段代码的左边有条绿色的竖线,是不是提示什么东西?
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_load(object Sender, EventArgs e)
{
this.treeView1.Nodes.AddRange(new TreeNode[] {
new TreeNode("中国直辖市", new TreeNode[] {
new TreeNode("北京市", new TreeNode[] {
new TreeNode("东城区"), new TreeNode("西城区"),new TreeNode("朝阳区")}),
new TreeNode("上海市", new TreeNode[] {new TreeNode("长宁区"),
new TreeNode("黄埔区"), new TreeNode("浦东区")}),
new TreeNode("重庆市", new TreeNode[] {
new TreeNode("长寿区", new TreeNode[] {new TreeNode("云台镇"),
new TreeNode("凤城镇", new TreeNode[] {new TreeNode("黄桷湾"),new TreeNode("关口")})}),
new TreeNode("渝北区"),new TreeNode("北碚区")})})});
this.treeView1.AllowDrop = true;
this.treeView1.ExpandAll();
}
}
}版本是visual studio 2005,执行后树里什么东西都没有也不报错和警告等。哪里有问题吗?
这段代码的左边有条绿色的竖线,是不是提示什么东西?
竖线不是提示,是树的一个属性
ericzhangbo可以?
ericzhangbo可以?