Find And Replace.

Source Code : Form1.cs

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

namespace FindAndReplace
{
public partial class Form1 : Form
{
int start = 0;
public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
//char value,int startIndex
start = richTextBox1.Text.IndexOf(textBox1.Text, start);
richTextBox1.Focus();
if (start >= 0)
{
richTextBox1.Select(start, textBox1.TextLength);
richTextBox1.SelectedText = richTextBox1.SelectedText.Replace(richTextBox1.SelectedText, textBox2.Text);//char oldchar , char newchar
start += textBox1.TextLength;
}
else
{
MessageBox.Show("End Find & Replace !");
start = 0;
}

}
}
}

Source Code : Form1.Designer.cs

namespace FindAndReplace
{
partial class Form1
{
///

/// Required designer variable.
///

private System.ComponentModel.IContainer components = null;


protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}

#region Windows Form Designer generated code

///

/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///

private void InitializeComponent()
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.label3 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(136, 297);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(121, 34);
this.button1.TabIndex = 0;
this.button1.Text = "Find And Replace";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(75, 23);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 20);
this.textBox1.TabIndex = 1;
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(275, 23);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 20);
this.textBox2.TabIndex = 2;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(7, 26);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(62, 13);
this.label1.TabIndex = 3;
this.label1.Text = "Find What :";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(191, 26);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(78, 13);
this.label2.TabIndex = 4;
this.label2.Text = "Replace With :";
//
// richTextBox1
//
this.richTextBox1.Location = new System.Drawing.Point(10, 81);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(365, 210);
this.richTextBox1.TabIndex = 5;
this.richTextBox1.Text = "";
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(7, 65);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(45, 13);
this.label3.TabIndex = 6;
this.label3.Text = "My Text";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
this.ClientSize = new System.Drawing.Size(386, 336);
this.Controls.Add(this.label3);
this.Controls.Add(this.richTextBox1);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.button1);
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = " Find And Replace";
this.ResumeLayout(false);
this.PerformLayout();

}

#endregion

private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.Label label3;
}
}

Download :

exe

http://sites.google.com/site/ogremyfiles/FindAndReplace%28EXE%29.rar

Source Code

http://sites.google.com/site/ogremyfiles/FindAndReplace%28SourceCode%29.rar