XtraReport 打印控件 预览打印按钮控制

//Load
   
    private void FrmReport_DataSourceDemanded(object sender, EventArgs e)
    {
        try
        {
            #region 放到构造函数没效果
            //this.ShowPrintStatusDialog = false;
            this.ShowPrintMarginsWarning = false;
            #endregion
            InitData();
            _xtraReport = (XtraReport)sender;
            LoadData();
        }
        catch (Exception ex)
        {
            WriteExceptionLog(ex);
        }
    }

调用

打印操作权限-是否允许多次打印
    private void FrmReport_BeforePrint(object sender, System.Drawing.Printing.PrintEventArgs e)
    {
        if (!IsPrint)//判读是否打印还是预览
        {

            if (!IsMultiplePrintBill)
            {
                if (_CM_PrintNumber != null && _CM_PrintNumber.PrintNumber > 1)
                {

                    XtraReport x = _xtraReport;
                    setcomm(x);
                }
            }
            e.Cancel = false;
        }
        else
        {
            if (IsMultiplePrintBill)//是否允许多次打印
            {
                //_xtraReport = (XtraReport)sender;
                //LoadData();
                e.Cancel = false;
            }
            else
            {
                if (_CM_PrintNumber != null && _CM_PrintNumber.PrintNumber > 1)
                {
                    XtraMessageBox.Show("您没有多次打印单据的权限！", "系统提示");
                    e.Cancel = true;
                }
            }
        }
    }

private void setcomm(XtraReport x)
    {

        DevExpress.XtraPrinting.PrintingSystemBase mPSB = x.PrintingSystem;
        mPSB.StartPrint += new PrintDocumentEventHandler(this.FrmPrint_StartPrint);


        //DevExpress.XtraPrinting.PrintingSystemCommand c = new PrintingSystemCommand();
        //mPSB.SetCommandVisibility(new DevExpress.XtraPrinting.PrintingSystemCommand[] 
        //{ 
        //        DevExpress.XtraPrinting.PrintingSystemCommand.Open ,
        //        DevExpress.XtraPrinting.PrintingSystemCommand.PageSetup ,
        //        DevExpress.XtraPrinting.PrintingSystemCommand.Print ,
        //        DevExpress.XtraPrinting.PrintingSystemCommand.PrintDirect ,
        //        DevExpress.XtraPrinting.PrintingSystemCommand.Save,
        //        DevExpress.XtraPrinting.PrintingSystemCommand.ExportCsv,
        //    }, DevExpress.XtraPrinting.CommandVisibility.None);
    }

    private void FrmPrint_StartPrint(object sender, PrintDocumentEventArgs e)
    {
        if (!IsMultiplePrintBill)
        {
            if (_CM_PrintNumber != null && _CM_PrintNumber.PrintNumber > 1)
            {
                e.PrintDocument.BeginPrint -= new System.Drawing.Printing.PrintEventHandler(this.FrmPrint_Print);
                e.PrintDocument.BeginPrint += new System.Drawing.Printing.PrintEventHandler(this.FrmPrint_Print);
            }
        
        }
    }

    private void FrmPrint_Print(object sender, PrintEventArgs e)
    {
        if (_CM_PrintNumber != null && _CM_PrintNumber.PrintNumber > 1)
        {
            XtraMessageBox.Show("您没有多次打印单据的权限！", "系统提示");
            e.Cancel = true;
            return;
        }
        e.Cancel = false;
    }