replace.cs

“记事本”是一个用来创建简单的文档的基本的文本编辑器。“记事本”最常用来查看或编辑文本 (.txt) 文件

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

namespace jsb
{
	/// <summary>
	/// Form2 的摘要说明。
	/// </summary>
	public class Form2 : System.Windows.Forms.Form
	{
		private Form1 f1;
		private int i = 0;
		private int j = 0;
		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;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.CheckBox checkBox1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form2(Form1 f1)
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			this.f1 = f1;
			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.button3 = new System.Windows.Forms.Button();
			this.button4 = new System.Windows.Forms.Button();
			this.checkBox1 = new System.Windows.Forms.CheckBox();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(66, 17);
			this.label1.TabIndex = 0;
			this.label1.Text = "查找内容：";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(16, 48);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(66, 17);
			this.label2.TabIndex = 1;
			this.label2.Text = "替换内容：";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(88, 12);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(176, 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(88, 44);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(176, 21);
			this.textBox2.TabIndex = 3;
			this.textBox2.Text = "";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(288, 8);
			this.button1.Name = "button1";
			this.button1.TabIndex = 4;
			this.button1.Text = "查找下一个";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(288, 40);
			this.button2.Name = "button2";
			this.button2.TabIndex = 5;
			this.button2.Text = "替  换";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(288, 72);
			this.button3.Name = "button3";
			this.button3.TabIndex = 6;
			this.button3.Text = "全部替换";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// button4
			// 
			this.button4.Location = new System.Drawing.Point(288, 104);
			this.button4.Name = "button4";
			this.button4.TabIndex = 7;
			this.button4.Text = "取  消";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// checkBox1
			// 
			this.checkBox1.Location = new System.Drawing.Point(88, 88);
			this.checkBox1.Name = "checkBox1";
			this.checkBox1.TabIndex = 8;
			this.checkBox1.Text = "区分大小写";
			// 
			// Form2
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(392, 138);
			this.Controls.Add(this.checkBox1);
			this.Controls.Add(this.button4);
			this.Controls.Add(this.button3);
			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.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
			this.Name = "Form2";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "替换";
			this.TopMost = true;
			this.Load += new System.EventHandler(this.Form2_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void button4_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void Form2_Load(object sender, System.EventArgs e)
		{
			this.button1.Enabled = false;
			this.button2.Enabled = false;
			this.button3.Enabled = false;
		}

		private void textBox1_TextChanged(object sender, System.EventArgs e)
		{
			this.button1.Enabled = true;
			this.button3.Enabled = true;
		}

		private void button1_Click(object sender, System.EventArgs e)
		{this.TopMost = false;
			this.button2.Enabled = true;
			if (checkBox1.Checked == false)
			{
				RichTextBoxFinds rbf = RichTextBoxFinds.None;
				f1.richText.Focus();
				i=f1.richText.Find(textBox1.Text,i,f1.richText.TextLength,rbf);
				if (i < 0)
				{
					this.TopMost = false;
					MessageBox.Show("文本以全部搜索完毕","提示！",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
					this.TopMost = true;
					f1.richText.Focus();
				}
				i = i+1;
			}
			else
			{
				RichTextBoxFinds rbf = RichTextBoxFinds.MatchCase;
				f1.richText.Focus();
				i=f1.richText.Find(textBox1.Text,i,f1.richText.TextLength,rbf);
				if (i < 0)
				{
					this.TopMost = false;
					MessageBox.Show("文本以全部搜索完毕","提示！",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
					this.TopMost = true;
					f1.richText.Focus();
				}
				i = i+1;
			}
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			f1.richText.SelectedText = this.textBox2.Text;
			this.button2.Enabled = false;
			f1.richText.Focus();
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			i=0;
			if (checkBox1.Checked == false)
			{
				while ( i < f1.richText.TextLength)
				{
					RichTextBoxFinds rbf = RichTextBoxFinds.None;
					f1.richText.Focus();
					i=f1.richText.Find(textBox1.Text,i,f1.richText.TextLength,rbf);
					if (i<0){break;}
					f1.richText.SelectedText = this.textBox2.Text;
					i=i+1;
				}
				this.TopMost = false;
				MessageBox.Show("文本以全部替换完毕","提示！",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
				this.TopMost = true;
				f1.richText.Focus();
			}
			else
			{
				while ( i < f1.richText.TextLength)
				{
					RichTextBoxFinds rbf = RichTextBoxFinds.MatchCase;
					f1.richText.Focus();
					i=f1.richText.Find(textBox1.Text,i,f1.richText.TextLength,rbf);
					if (i<0){break;}
					f1.richText.SelectedText = this.textBox2.Text;
					i=i+1;
				}
				this.TopMost = false;
				MessageBox.Show("文本以全部替换完毕","提示！",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
				this.TopMost = true;
				f1.richText.Focus();
			}
		}
	}
}