Search And Highlight Text In Rich TextBox in C# winform app

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search and highlight

Search And Highlight Text In Rich TextBox In C# Winform

Hello friend’s this is Rashid Hussain come with another video tutorial. In this tutorial I’ll show you how to Search and Highlight text In Rich TextBox In C# Winform Application

Create new windows Form application in visual studio. follow the steps

drag richTextBox ,textbox and Button from tool box.

 

 

search and highlight

Page the Code below on Button_Click Event

private void button1_Click(object sender, EventArgs e)
{
int index = 0;
richTextBox1.SelectAll();
richTextBox1.SelectionBackColor = Color.White;
while (index<richTextBox1.Text.LastIndexOf(textBox1.Text))
{
richTextBox1.Find(textBox1.Text,index,richTextBox1.TextLength,RichTextBoxFinds.MatchCase);
richTextBox1.SelectionBackColor = Color.Yellow;
index = richTextBox1.Text.IndexOf(textBox1.Text,index)+1;
}
}

Video tutorial

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