最近自己做了一个小软件，一个文件浏览器，与windows的资源管理器相比，可以查看文件内容，而不用外部程序打开，支持多种文件格式，以后准备加入基于内容的搜索（打算用开源的dotLucene组件）。其中需要将树形控件序列化，查了很多资料，在codeproject找到一个vb.net写的，找了一个代码转换器转成了C#,修改了一下，改成了二进制序列化。贴在下面供需要的参考。
原文地址：
http://www.codeproject.com/vb/net/TreeViewDataAccess.asp
我修改过的C#源码：
using System;
using System.IO;
using System.Windows.Forms;
using System.Runtime.Serialization.Formatters.Binary;
namespace testAll
{
/// <summary>
/// TreeView串行化类
/// </summary>
public class TreeViewDataAccess
{
public TreeViewDataAccess(){}
/// <summary>
/// TreeViewData
/// </summary>
[Serializable()]
public struct TreeViewData
{
public TreeNodeData[] Nodes;
/// <summary>
/// 递归初始化TreeView数据
/// </summary>
/// <param name="treeview"></param>
public TreeViewData(TreeView treeview)
{
Nodes = new TreeNodeData[treeview.Nodes.Count];
if (treeview.Nodes.Count == 0)
{
return;
}
for (int i = 0; i <= treeview.Nodes.Count - 1; i++)
{
Nodes[i] = new TreeNodeData(treeview.Nodes[i]);
}
}
/// <summary>
/// 通过TreeViewData弹出TreeView
/// </summary>
/// <param name="treeview"></param>
public void PopulateTree(TreeView treeview)
{
if (this.Nodes == null || this.Nodes.Length == 0)
{
return;
}
treeview.BeginUpdate();
for (int i = 0; i <= this.Nodes.Length - 1; i++)
{
treeview.Nodes.Add(this.Nodes[i].ToTreeNode());
}
treeview.EndUpdate();
}
}
/// <summary>
/// TreeNodeData
/// </summary>
[Serializable()]
public struct TreeNodeData
{
public string Text;
public int ImageIndex;
public int SelectedImageIndex;
public bool Checked;
public bool Expanded;
public object Tag;
public TreeNodeData[] Nodes;
/// <summary>
/// TreeNode构造函数
/// </summary>
/// <param name="node"></param>
public TreeNodeData(TreeNode node)
{
this.Text = node.Text;
this.ImageIndex = node.ImageIndex;
this.SelectedImageIndex = node.SelectedImageIndex;
this.Checked = node.Checked;
this.Expanded = node.IsExpanded;
this.Nodes = new TreeNodeData[node.Nodes.Count];
if ((!(node.Tag == null)) && node.Tag.GetType().IsSerializable)
{
this.Tag = node.Tag;
}
else
{
this.Tag = null;
}
if (node.Nodes.Count == 0)
{
return;
}
for (int i = 0; i <= node.Nodes.Count - 1; i++)
{
Nodes[i] = new TreeNodeData(node.Nodes[i]);
}
}
/// <summary>
/// TreeNodeData返回TreeNode
/// </summary>
/// <returns></returns>
public TreeNode ToTreeNode()
{
TreeNode ToTreeNode = new TreeNode(this.Text, this.ImageIndex, this.SelectedImageIndex);
ToTreeNode.Checked = this.Checked;
ToTreeNode.Tag = this.Tag;
if (this.Expanded)
{
ToTreeNode.Expand();
}
if (this.Nodes == null && this.Nodes.Length == 0)
{
return null;
}
if(ToTreeNode != null && this.Nodes.Length == 0)
{
return ToTreeNode;
}
for (int i = 0; i <= this.Nodes.Length - 1; i++)
{
ToTreeNode.Nodes.Add(this.Nodes[i].ToTreeNode());
}
return ToTreeNode;
}
}
/// <summary>
/// 加载TreeView
/// </summary>
/// <param name="treeView"></param>
/// <param name="path"></param>
public static void LoadTreeViewData(TreeView treeView, string path)
{
BinaryFormatter ser = new BinaryFormatter();
Stream file = new FileStream(path,FileMode.Open,FileAccess.Read,FileShare.Read);
TreeViewData treeData = ((TreeViewData)(ser.Deserialize(file)));
treeData.PopulateTree(treeView);
file.Close();
}
/// <summary>
/// 保存TreeView到文件
/// </summary>
/// <param name="treeView"></param>
/// <param name="path"></param>
public static void SaveTreeViewData(TreeView treeView, string path)
{
BinaryFormatter ser = new BinaryFormatter();
Stream file = new FileStream(path,FileMode.Create);
ser.Serialize(file,new TreeViewData(treeView));
file.Close();
}
}
}
