private void Con4_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Back) { Con3.Clear(); Con3.Focus(); e.Handled = true; p = 1; button1.Hide(); // label4.Hide(); } }
private void textBox7_TextChanged(object sender, EventArgs e) { if (p == 0) { Con3.Focus(); p = 0; } if (p == 1) { p = 0; } }