private void textBoxRegisterX_KeyDown(object sender, KeyEventArgs e)
{
if (e.Control || e.Alt)
{
e.SuppressKeyPress = true;
e.Handled = true;
return;
}
if (e.KeyCode == Keys.D1 ||
e.KeyCode == Keys.D2 ||
e.KeyCode == Keys.D3 ||
e.KeyCode == Keys.D4 ||
e.KeyCode == Keys.D5 ||
e.KeyCode == Keys.D6 ||
e.KeyCode == Keys.D7 ||
e.KeyCode == Keys.D8 ||
e.KeyCode == Keys.D9 ||
e.KeyCode == Keys.D0 ||
e.KeyCode == Keys.NumPad1 ||
e.KeyCode == Keys.NumPad2 ||
e.KeyCode == Keys.NumPad3 ||
e.KeyCode == Keys.NumPad4 ||
e.KeyCode == Keys.NumPad5 ||
e.KeyCode == Keys.NumPad6 ||
e.KeyCode == Keys.NumPad7 ||
e.KeyCode == Keys.NumPad8 ||
e.KeyCode == Keys.NumPad9 ||
e.KeyCode == Keys.NumPad0 ||
e.KeyCode == Keys.A ||
e.KeyCode == Keys.B ||
e.KeyCode == Keys.C ||
e.KeyCode == Keys.D ||
e.KeyCode == Keys.E ||
e.KeyCode == Keys.F ||
e.KeyCode == Keys.Back ||
e.KeyCode == Keys.Delete ||
e.KeyCode == Keys.Left ||
e.KeyCode == Keys.Right)
{
return;
}
e.Handled = true;
e.SuppressKeyPress = true;
}
