void OpenOtherFee()//
        {
            MDITabPageIndex = null;
            ZXMIS_Stat.Frm_ThreeFee MFrm_ThreeFee = null;
            for (int i = 0; i < Frm_TabeMDI.Pages.Count; i++)
            {
                if (Frm_TabeMDI.Pages[i].MdiChild is ZXMIS_Stat.Frm_ThreeFee)
                {
                    MDITabPageIndex = i.ToString();
                    break;
                }
            }
            if (MDITabPageIndex == null)
            {
                SetTableMDI();
                MFrm_ThreeFee = new ZXMIS_Stat.Frm_ThreeFee();
                MFrm_ThreeFee.MdiParent = this;
                MFrm_ThreeFee.Show();
            }
            else
            {
                Frm_TabeMDI.SelectedPage = Frm_TabeMDI.Pages[int.Parse(MDITabPageIndex)];
            }
        }
 void OpenBoothDict()//
        {
            MDITabPageIndex = null;
            ZXMIS_Dict.Frm_BoothDict MFrm_BoothDict = null;
            for (int i = 0; i < Frm_TabeMDI.Pages.Count; i++)
            {
                if (Frm_TabeMDI.Pages[i].MdiChild is ZXMIS_Dict.Frm_BoothDict)
                {
                    MDITabPageIndex = i.ToString();
                    break;
                }
            }
            if (MDITabPageIndex == null)
            {
                SetTableMDI();
                MFrm_BoothDict = new ZXMIS_Dict.Frm_BoothDict();
                MFrm_BoothDict.MdiParent = this;
                MFrm_BoothDict.Show();
            }
            else
            {
                Frm_TabeMDI.SelectedPage = Frm_TabeMDI.Pages[int.Parse(MDITabPageIndex)];
            }
        }        
这是打二个窗体的代码,我现在是用二个按钮写二个不同的方法,能不能用一个方法传递参数的方式改进,请问怎么改