using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace WindowsApplication4
{
/// <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.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
/// <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 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.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 8);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(96, 24);
this.label1.TabIndex = 0;
this.label1.Text = "输入小写字母";
//
// label2
//
this.label2.Location = new System.Drawing.Point(16, 72);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(96, 24);
this.label2.TabIndex = 1;
this.label2.Text = "输出大写字母";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(136, 8);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(72, 21);
this.textBox1.TabIndex = 2;
this.textBox1.Text = "";
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(136, 72);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(72, 21);
this.textBox2.TabIndex = 3;
this.textBox2.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(240, 16);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(40, 24);
this.button1.TabIndex = 4;
this.button1.Text = "清除";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(240, 72);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(40, 24);
this.button2.TabIndex = 5;
this.button2.Text = "结束";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
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 button2_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
private void button1_Click(object sender, System.EventArgs e)
{
textBox1.Text="";
textBox2.Text="";
}
private void textBox1_TextChanged(object sender, System.EventArgs e)
{
string s=textBox1.Text;
char[] t;
int i;
for(i=0;i<s.Length;i++)
{ t=s.ToCharArray(); \\\这是什么意思,没有怎么不行.
t[i]=Convert.ToChar(s.Substring(i,1));
if('a'<=t[i] && t[i]<='z')
textBox2.Text+=s.Substring(i,1).ToUpper();\\\错误好像在这,可不知道怎么改,怎么错了
else
textBox2.Text+="*";}
}
}
}
程序是想做一个大小写输出的转换,可是输出总是重复.我是新手,请教了.
[此贴子已经被作者于2006-10-25 12:04:43编辑过]