private void RichTextBox1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.V && e.Modifiers == Keys.Control)
{
// Code for Copy Action
if (!string.IsNullOrEmpty(RichTextBox1.Text))
{
RichTextBox1.Font = new Font("times new roman", 14f, FontStyle.Regular);
RichTextBox1.ForeColor = Color.Black;
string firstLine = RichTextBox1.Lines[0];
RichTextBox1.Select(RichTextBox1.GetFirstCharIndexFromLine(0), firstLine.Length);
RichTextBox1.SelectionFont = new Font("times new roman", 20f, FontStyle.Bold);
}
}
}
