private void bunifuThinButton4_Click_1(object sender, EventArgs e)
{
this.Hide();
vehicle v1 = new vehicle();
v1.ShowDialog();
this.Close();
}
private void bunifuFlatButton1_Click_1(object sender, EventArgs e)
{
this.Hide();
vehicle ve1 = new vehicle();
ve1.ShowDialog();
this.Close();
}