[RaggiTech]

كاتب الموضوع : AhmedEssawy

كود :

int current = 1;
private void richTextBox1_KeyUp(object sender, KeyEventArgs e)
{
int len = richTextBox1.Text.Length;
if (e.KeyValue.ToString() == "13")
{
richTextBox1.Text = richTextBox1.Text.ToString() + current.ToString();
current++;
richTextBox1.SelectionStart = richTextBox1.Text.Length;
}

}