1: using System;

 2: using System.IO;

 3: using System.Windows.Forms;

 4: using System.Runtime.Serialization.Formatters.Binary;

 5: using System.Data;

 6:

 7: //from:http://www.ecjtu.org/forum/read.php?tid-12933.html

 8: //反序列化：SerializeTree.TreeViewDataAccess.LoadTreeViewData(treeView1,"C:\\treeview.txt");

 9: //序列化： SerializeTree.TreeViewDataAccess.SaveTreeViewData(treeView1,"C:\\treeview.txt");

 10:

 11:

 12: namespace SerializeTree

 13: {

 14: /// <summary>

 15: /// TreeView串行化类

 16: /// </summary>

 17: public class TreeViewDataAccess

 18: {

 19: public TreeViewDataAccess() { }

 20:

 21: /// <summary>

 22: /// TreeViewData

 23: /// </summary>

 24: [Serializable()]

 25: public struct TreeViewData

 26: {

 27: public TreeNodeData[] Nodes;

 28:

 29: /// <summary>

 30: /// 递归初始化TreeView数据

 31: /// </summary>

 32: /// <param name="treeview"></param>

 33: public TreeViewData(TreeView treeview)

 34: {

 35: Nodes = new TreeNodeData[treeview.Nodes.Count];

 36: if (treeview.Nodes.Count == 0)

 37: {

 38: return;

 39: }

 40: for (int i = 0; i <= treeview.Nodes.Count - 1; i++)

 41: {

 42: Nodes[i] = new TreeNodeData(treeview.Nodes[i]);

 43: }

 44: }

 45:

 46: /// <summary>

 47: /// 通过TreeViewData弹出TreeView

 48: /// </summary>

 49: /// <param name="treeview"></param>

 50: public void PopulateTree(TreeView treeview)

 51: {

 52: if (this.Nodes == null || this.Nodes.Length == 0)

 53: {

 54: return;

 55: }

 56: treeview.BeginUpdate();

 57: for (int i = 0; i <= this.Nodes.Length - 1; i++)

 58: {

 59: treeview.Nodes.Add(this.Nodes[i].ToTreeNode());

 60: }

 61: treeview.EndUpdate();

 62: }

 63: }

 64:

 65: /// <summary>

 66: /// TreeNodeData

 67: /// </summary>

 68: [Serializable()]

 69: public struct TreeNodeData

 70: {

 71: public string Text;

 72: public int ImageIndex;

 73: public int SelectedImageIndex;

 74: public bool Checked;

 75: public bool Expanded;

 76: public object Tag;

 77: public TreeNodeData[] Nodes;

 78:

 79: /// <summary>

 80: /// TreeNode构造函数

 81: /// </summary>

 82: /// <param name="node"></param>

 83: public TreeNodeData(TreeNode node)

 84: {

 85: this.Text = node.Text;

 86: this.ImageIndex = node.ImageIndex;

 87: this.SelectedImageIndex = node.SelectedImageIndex;

 88: this.Checked = node.Checked;

 89: this.Expanded = node.IsExpanded;

 90: this.Nodes = new TreeNodeData[node.Nodes.Count];

 91:

 92: if ((!(node.Tag == null)) && node.Tag.GetType().IsSerializable)

 93: {

 94: this.Tag = node.Tag;

 95: }

 96: else

 97: {

 98: this.Tag = null;

 99: }

 100: if (node.Nodes.Count == 0)

 101: {

 102: return;

 103: }

 104: for (int i = 0; i <= node.Nodes.Count - 1; i++)

 105: {

 106: Nodes[i] = new TreeNodeData(node.Nodes[i]);

 107: }

 108: }

 109:

 110: /// <summary>

 111: /// TreeNodeData返回TreeNode

 112: /// </summary>

 113: /// <returns></returns>

 114: public TreeNode ToTreeNode()

 115: {

 116: TreeNode ToTreeNode = new TreeNode(this.Text, this.ImageIndex, this.SelectedImageIndex);

 117: ToTreeNode.Checked = this.Checked;

 118: ToTreeNode.Tag = this.Tag;

 119: if (this.Expanded)

 120: {

 121: ToTreeNode.Expand();

 122: }

 123: if (this.Nodes == null && this.Nodes.Length == 0)

 124: {

 125: return null;

 126: }

 127: if (ToTreeNode != null && this.Nodes.Length == 0)

posted @ 2010-12-17 21:21 羽落无声 阅读(...) 评论(...) 编辑 收藏