usercontrol1.cs

c#网络编程及应用-刘瑞新

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

namespace TestUserControl
{
	/// <summary>
	/// UserControl1 的摘要说明。
	/// </summary>
	public class UserControl1 : System.Windows.Forms.UserControl
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Button button1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public UserControl1()
		{
			// 该调用是 Windows.Forms 窗体设计器所必需的。
			InitializeComponent();

			// TODO: 在 InitComponent 调用后添加任何初始化

		}

		/// <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 组件设计器生成的代码
		/// <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.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.BackColor = System.Drawing.Color.MintCream;
			this.groupBox1.Controls.Add(this.button1);
			this.groupBox1.Controls.Add(this.textBox1);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Location = new System.Drawing.Point(0, 0);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(272, 232);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "字符串逆序和排序";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 64);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(61, 23);
			this.label1.TabIndex = 0;
			this.label1.Text = "字符串";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 112);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(240, 23);
			this.label2.TabIndex = 1;
			this.label2.Text = "label2";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 152);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(240, 23);
			this.label3.TabIndex = 2;
			this.label3.Text = "label3";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(72, 64);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(152, 21);
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "textBox1";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(88, 200);
			this.button1.Name = "button1";
			this.button1.TabIndex = 4;
			this.button1.Text = "开始";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// UserControl1
			// 
			this.Controls.Add(this.groupBox1);
			this.Name = "UserControl1";
			this.Size = new System.Drawing.Size(280, 240);
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
			string str=this.textBox1.Text;
			//将字符串转换为Unicode字符数组
			char[] aa=str.ToCharArray();
			//将字符数组逆序
			Array.Reverse(aa);
			//将字符数组转换为字节数组
			byte[] bytes=System.Text.Encoding.Unicode.GetBytes(aa);
			//字节数组转换为字符串
			this.label2.Text="逆序结果："+System.Text.Encoding.Unicode.GetString(bytes);
			//将字符数组排序
			Array.Sort(aa);
			bytes=System.Text.Encoding.Unicode.GetBytes(aa);
			this.label3.Text="排序结果："+System.Text.Encoding.Unicode.GetString(bytes);

		}
	}
}