RichTextBox control insert color text

C# > RichTextBox Control > SelectionColor 

Gets or sets the text color of the current text selection or insertion point.

Example

private void AppendText(RichTextBox rtb, string text, Color color)

{

       rtb.SelectionStart = rtb.TextLength;

       rtb.SelectionLength = 0;

       rtb.SelectionColor = color;

       rtb.AppendText(text);

       rtb.SelectionColor = rtb.ForeColor;

}

AppendText(richTextBox1, "Blue", Color.Blue);

AppendText(richTextBox1, "Red", Color.Red);