예제 #1
0
 private void bánHàngToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (Application.OpenForms["frm_hoadon"] == null)
     {
         frm_hoadon tthd = new frm_hoadon();
         tthd.MdiParent = this;
         tthd.Show();
     }
     else
     {
         Application.OpenForms["frm_hoadon"].Activate();
     }
 }
예제 #2
0
 public Lopdungchung(GUI.frm_hoadon f)
 {
     frmhd = f;
 }