private void btnSupplier_Click(object sender, EventArgs e)
 {
     if (Utility.gblnAccessControl)
     {
         if (!Utility.gblnChildPrivileges(strComID, Utility.gstrUserName, 42))
         {
             MessageBox.Show("You have no Permission to Access", "Privileges", MessageBoxButtons.OK, MessageBoxIcon.Warning);
             return;
         }
     }
     if (System.Windows.Forms.Application.OpenForms["frmSupplier"] as frmSupplier == null)
     {
         frmSupplier objfrm = new frmSupplier();
         objfrm.m_acction     = (int)Utility.ACTION_MODE_ENUM.ADD_MODE;
         objfrm.intvtype      = (int)Utility.GR_GROUP_TYPE.grSUPPLIER;
         objfrm.intModuleType = (int)Utility.MODULE_TYPE.mtPURCHASE;
         objfrm.lngFormPriv   = 42;
         objfrm.strFormName   = "Supplier";
         objfrm.Show();
         objfrm.MdiParent = this.MdiParent;
     }
     else
     {
         frmSupplier objfrm = (frmSupplier)Application.OpenForms["frmSupplier"];
         objfrm.lngFormPriv = 42;
         objfrm.Focus();
         objfrm.MdiParent = this.MdiParent;
     }
 }