C#WinForm页面传值解决方法（仿web中Session）
昨天同事问我有没有一个安全简单的办法实现win应用程序页面之间传值，因为他先前是做web的所以老是想着传值，我想了想决定做个类似web中Session的组件，当然这不是会话的了，这个一个声明周期为整个应用程序级的。
具体代码如下：
using System;using System.Collections;
/// <summary>
/// Session 的摘要说明。
/// </summary> public class Session:DictionaryBase { private static Session assion=null;
/// <summary> /// 生成一个实例
/// </summary> private Session() { } /// <summary> /// 得到一个单身实例 /// </summary> /// <returns>返回类型为Session</returns> public static Session GetSession() { if(Session.assion==null) { Session.assion=new Session(); } return Session.assion; } /// <summary> /// 添加新成员 /// </summary> /// <param name="newID">新字成员名字</param> /// <param name="newmember">新成员</param> public void Add(string newID,Object newmember) { try { Dictionary.Add(newID,newmember); } catch { return; } } /// <summary> /// 删除成员 /// </summary> /// <param name="memberID"></param> public void Remove(string memberID) { try { Dictionary.Remove(memberID); } catch { return; } } /// <summary> /// 本类的索引器 /// </summary> /// <returns>返回Object成员</returns> public Object this[string memberID] { get { try { Object obj=(Object)Dictionary[memberID]; Dictionary.Remove(memberID);//销毁 return obj; } catch { return null;//如果没有数据则返回null } } set { try { this.Dictionary.Add(memberID,value); } catch { return ; } } } }先在来看如何使用的例子：
具体代码：
( 注意要添加引用上面程序编译成功的程序集：Session.dll)
using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;namespace WindowsApplication2{ /// <summary> /// Form1 的摘要说明。 /// </summary> public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.ListBox listBox1; private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; private System.Windows.Forms.Button button3; private System.Windows.Forms.TextBox tbxAdd; private System.Windows.Forms.TextBox tbxDel; private Session a; /// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.Container components = null; public Form1() { a=Session.GetSession(); // // Windows 窗体设计器支持所必需的 // InitializeComponent(); // // TODO: 在 InitializeComponent 调用后添加任何构造函数代码 // } /// <summary> /// 清理所有正在使用的资源。 /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); }
Windows 窗体设计器生成的代码 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.listBox1 = new System.Windows.Forms.ListBox(); this.tbxAdd = new System.Windows.Forms.TextBox(); this.button1 = new System.Windows.Forms.Button(); this.tbxDel = new System.Windows.Forms.TextBox(); this.button2 = new System.Windows.Forms.Button(); this.button3 = new System.Windows.Forms.Button(); this.SuspendLayout(); // // listBox1 // this.listBox1.ItemHeight = 12; this.listBox1.Location = new System.Drawing.Point(136, 144); this.listBox1.Name = "listBox1"; this.listBox1.Size = new System.Drawing.Size(120, 88); this.listBox1.TabIndex = 0; // // tbxAdd // this.tbxAdd.Location = new System.Drawing.Point(144, 32); this.tbxAdd.Name = "tbxAdd"; this.tbxAdd.Size = new System.Drawing.Size(112, 21); this.tbxAdd.TabIndex = 1; this.tbxAdd.Text = ""; // // button1 // this.button1.Location = new System.Drawing.Point(336, 24); this.button1.Name = "button1"; this.button1.TabIndex = 2; this.button1.Text = "add"; this.button1.Click += new System.EventHandler(this.button1_Click); // // tbxDel // this.tbxDel.Location = new System.Drawing.Point(144, 72); this.tbxDel.Name = "tbxDel"; this.tbxDel.Size = new System.Drawing.Size(112, 21); this.tbxDel.TabIndex = 3; this.tbxDel.Text = ""; // // button2 // this.button2.Location = new System.Drawing.Point(336, 72); this.button2.Name = "button2"; this.button2.TabIndex = 4; this.button2.Text = "del"; this.button2.Click += new System.EventHandler(this.button2_Click); // // button3 // this.button3.Location = new System.Drawing.Point(336, 176); this.button3.Name = "button3"; this.button3.TabIndex = 5; this.button3.Text = "look"; this.button3.Click += new System.EventHandler(this.button3_Click); // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(528, 273); this.Controls.Add(this.button3); this.Controls.Add(this.button2); this.Controls.Add(this.tbxDel); this.Controls.Add(this.button1); this.Controls.Add(this.tbxAdd); this.Controls.Add(this.listBox1); this.Name = "Form1"; this.Text = "Form1"; this.ResumeLayout(false); } #endregion /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { Application.Run(new Form1()); } private void button1_Click(object sender, System.EventArgs e) { // a.Add(this.tbxAdd.Text.Trim(),this.tbxAdd); a[this.tbxAdd.Text.Trim()]=this.tbxAdd; } private void button2_Click(object sender, System.EventArgs e) { a.Remove(this.tbxDel.Text.Trim()); } private void button3_Click(object sender, System.EventArgs e) { this.listBox1.Items.Add(((TextBox)a[this.tbxAdd.Text.Trim()]).Text.Trim()); } }}现在你可以到处使用Session.dll了，让它帮你处理页面传值。
