void m_cmd_backup_restore_ItemClick(object sender, ItemClickEventArgs e) { try { frm_backup_restore v_frm = new frm_backup_restore(); if(IsExistFormName(v_frm)) return; v_frm.MdiParent = this; v_frm.Show(); } catch(Exception v_e) { CSystemLog_301.ExceptionHandle(v_e); } }