form1.cs

Csharp实例编程百例.rar

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace testListBoxApp
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.ListBox lstGoods;
		private System.Windows.Forms.Button btnDelOne;
		private System.Windows.Forms.Button btnDelAll;
		private System.Windows.Forms.TextBox txtGoodsName;
		private System.Windows.Forms.Button btnAddOne;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// 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 );
		}

		#region Windows Form Designer generated code
		/// <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.lstGoods = new System.Windows.Forms.ListBox();
			this.label1 = new System.Windows.Forms.Label();
			this.btnDelOne = new System.Windows.Forms.Button();
			this.btnDelAll = new System.Windows.Forms.Button();
			this.txtGoodsName = new System.Windows.Forms.TextBox();
			this.btnAddOne = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// lstGoods
			// 
			this.lstGoods.ItemHeight = 12;
			this.lstGoods.Location = new System.Drawing.Point(16, 32);
			this.lstGoods.Name = "lstGoods";
			this.lstGoods.Size = new System.Drawing.Size(120, 136);
			this.lstGoods.TabIndex = 0;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 8);
			this.label1.Name = "label1";
			this.label1.TabIndex = 1;
			this.label1.Text = "您的购物篮：";
			// 
			// btnDelOne
			// 
			this.btnDelOne.Location = new System.Drawing.Point(200, 40);
			this.btnDelOne.Name = "btnDelOne";
			this.btnDelOne.TabIndex = 2;
			this.btnDelOne.Text = "删除";
			this.btnDelOne.Click += new System.EventHandler(this.btnDelOne_Click);
			// 
			// btnDelAll
			// 
			this.btnDelAll.Location = new System.Drawing.Point(200, 80);
			this.btnDelAll.Name = "btnDelAll";
			this.btnDelAll.TabIndex = 3;
			this.btnDelAll.Text = "全部删除";
			this.btnDelAll.Click += new System.EventHandler(this.btnDelAll_Click);
			// 
			// txtGoodsName
			// 
			this.txtGoodsName.Location = new System.Drawing.Point(20, 208);
			this.txtGoodsName.Name = "txtGoodsName";
			this.txtGoodsName.TabIndex = 4;
			this.txtGoodsName.Text = "";
			// 
			// btnAddOne
			// 
			this.btnAddOne.Location = new System.Drawing.Point(200, 208);
			this.btnAddOne.Name = "btnAddOne";
			this.btnAddOne.TabIndex = 5;
			this.btnAddOne.Text = "放入篮中";
			this.btnAddOne.Click += new System.EventHandler(this.btnAddOne_Click);
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 176);
			this.label2.Name = "label2";
			this.label2.TabIndex = 6;
			this.label2.Text = "请输入物品名：";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.label2,
																		  this.btnAddOne,
																		  this.txtGoodsName,
																		  this.btnDelAll,
																		  this.btnDelOne,
																		  this.label1,
																		  this.lstGoods});
			this.Name = "Form1";
			this.Text = "testListBox";
			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 btnAddOne_Click(object sender, System.EventArgs e)
		{
			if (txtGoodsName.Text != "")
			{
				lstGoods.Items.Add (txtGoodsName.Text );
			}
			else 
			{
				MessageBox.Show ("Please input the Name!");
			}
		}

		private void btnDelOne_Click(object sender, System.EventArgs e)
		{
			if (lstGoods.SelectedIndex >= 0){
				lstGoods.Items.RemoveAt (lstGoods.SelectedIndex );
			}
		}

		private void btnDelAll_Click(object sender, System.EventArgs e)
		{
			lstGoods.Items.Clear ();
		}
	}
}