Пример #1
0
 public static frmDichVu GetInstance()
 {
     if (instance == null)
     {
         instance = new frmDichVu();
     }
     return(instance);
 }
Пример #2
0
        private void dichvuToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmDichVu dv = new frmDichVu();

            dv.ShowDialog();
        }