private void perpanjanganToolStripMenuItem1_Click(object sender, EventArgs e)
 {
     if (IsFormSudahDibuka("PP") == true)
     {
         global.lap_name = "PP";
         Design_Form.LAP_TGL frm = new Design_Form.LAP_TGL();
         frm.MdiParent = this;
         frm.Show();
     }
 }
 private void lapNasabahToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (IsFormSudahDibuka("C") == true)
     {
         global.lap_name = "C";
         Design_Form.LAP_TGL frm = new Design_Form.LAP_TGL();
         frm.MdiParent = this;
         frm.Show();
     }
 }