错误 CS1503 参数 1：无法从“NYDStok.BarButtonItem”转换为“DevExpress.XtraBars.BarItem”

Question

I want to create a button in C# Devexpress. This is the area where I want to add the button.

But when I try to add it I get an error.My code is as below. As soon as the button is clicked, it saves the file with the day, month, year and instant time of that day. But because my button is not visible, these processes are not happening now. I tried to add this button from another project to my own project. That's why I need help.

        void PreviewForm_Shown(object sender, EventArgs e)
    {
        PrintPreviewFormEx form = (PrintPreviewFormEx)sender;
        PrintPreviewBarItem item = (PrintPreviewBarItem)form.PrintBarManager.GetBarItemByCommand(PrintingSystemCommand.ExportFile);

        PopupMenu control = (PopupMenu)((DevExpress.XtraBars.BarButtonItem)(item)).DropDownControl;
        BarButtonItem barItem = new BarButtonItem();
        barItem.ItemClick += barItem_ItemClick;
        barItem.Caption = "TELEGRAM";
        control.AddItem(barItem);


    }
    async void barItem_ItemClick(object sender, ItemCheckEventArgs e)
    {
        DateTime Tarih = DateTime.Today.Date;
        if (vwMain.GetFocusedRowCellValue(clnUHTarih) != null)
            DateTime.TryParse(vwMain.GetFocusedRowCellValue(clnUHTarih).ToString(), out Tarih);



        PdfExportOptions pdfExportOptions = new PdfExportOptions()
        {
            PdfACompatibility = PdfACompatibility.PdfA1b

        };

        string pdfExportFile = @"C:\samet\" + Convert.ToString(DateTime.Now).Replace(".", "").Replace(":", "").Replace(" ", "_") + ".pdf";
        // Export the report.
        rprGunSonu rpr = new rprGunSonu(pConn, Tarih.Date, clsAyarlar.SubeID);
        pt = new ReportPrintTool(rpr);
        rpr.ExportToPdf(pdfExportFile, pdfExportOptions);

Answer 1

PopupMenu.AddItem() expects an object of type DevExpress.XtraBars.BarItem . You're passing it an object of type NYDStok.BarButtonItem (whatever that is). Your barItem needs to be a DevExpress.XtraBars.BarItem instead.

For example:

var barItem = new DevExpress.XtraBars.BarItem();
barItem.ItemClick += barItem_ItemClick;
barItem.Caption = "TELEGRAM";
control.AddItem(barItem);

(Note that you'd also need to change your implementation of barItem_ItemClick to use ItemClickEventArgs instead of ItemCheckEventArgs in order to match the event signature.)