Question

求C#WinForm中将文件目录生成一个treeview的代码

如题 比如将 "D:/办公文件" 这个文件目录生成一个树形目录 显示到TreeView控件中
求代码 ，不要复制一大堆 。最好帮我写两句，加个注释 ，就当温习一下。可以不全主要是核心的几句也可以

Answer 1

namespace case0706_11
{
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}

#region Windows 窗体设计器生成的代码

/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.listView1 = new System.Windows.Forms.ListView();
this.treeView1 = new System.Windows.Forms.TreeView();
this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.Controls.Add(this.treeView1);
this.groupBox1.Location = new System.Drawing.Point(5, 6);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(146, 284);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "目录信息";
//
// groupBox2
//
this.groupBox2.Controls.Add(this.listView1);
this.groupBox2.Location = new System.Drawing.Point(171, 6);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(301, 284);
this.groupBox2.TabIndex = 1;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "文件信息";
//
// listView1
//
this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
this.columnHeader1,
this.columnHeader2,
this.columnHeader3});
this.listView1.FullRowSelect = true;
this.listView1.GridLines = true;
this.listView1.Location = new System.Drawing.Point(1, 18);
this.listView1.MultiSelect = false;
this.listView1.Name = "listView1";
this.listView1.Size = new System.Drawing.Size(300, 262);
this.listView1.TabIndex = 0;
this.listView1.UseCompatibleStateImageBehavior = false;
this.listView1.View = System.Windows.Forms.View.Details;
//
// treeView1
//
this.treeView1.Location = new System.Drawing.Point(0, 18);
this.treeView1.Name = "treeView1";
this.treeView1.Size = new System.Drawing.Size(145, 265);
this.treeView1.TabIndex = 0;
this.treeView1.NodeMouseClick += new System.Windows.Forms.TreeNodeMouseClickEventHandler(this.treeView1_NodeMouseClick);
//
// columnHeader1
//
this.columnHeader1.Text = "名称";
this.columnHeader1.Width = 120;
//
// columnHeader2
//
this.columnHeader2.Text = "大小";
//
// columnHeader3
//
this.columnHeader3.Text = "修改时间";
this.columnHeader3.Width = 120;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(484, 302);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.groupBox1);
this.Name = "Form1";
this.Text = "TreeView遍历磁盘目录";
this.Load += new System.EventHandler(this.Form1_Load);
this.groupBox1.ResumeLayout(false);
this.groupBox2.ResumeLayout(false);
this.ResumeLayout(false);

}

#endregion

private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.TreeView treeView1;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.ListView listView1;
private System.Windows.Forms.ColumnHeader columnHeader1;
private System.Windows.Forms.ColumnHeader columnHeader2;
private System.Windows.Forms.ColumnHeader columnHeader3;
}
}

Answer 2

获取D:/办公文件
DirectoryInfo Dir = new DirectoryInfo(@"D:/办公文件");
获取D:/办公文件目录下的所有子目录
DirectoryInfo[] dir = Dir.GetDirectories();
foreach (DirectoryInfo d in dir)
{
TreeNode node = new TreeNode();
node.Text = d.Name;
node.Tag = d.FullName;
把子目录转换成子节点加载到树中
(树节点名).Nodes.Add(node);
}