Creating reports and dashboards | Stimulsoft community forum

i have code running perfectly but the when i call SHOW function on stimulsoft my program is crashing and if just change SHOW function to PRINT the app just give me this error "an error occurred during this operation" ------------------------------------------------------
System.InvalidOperationException
HResult=0x80131509
Message=DragDrop registration did not succeed.
Source=System.Windows.Forms
StackTrace:
at System.Windows.Forms.Control.SetAcceptDrops(Boolean accept)
at System.Windows.Forms.Control.OnHandleCreated(EventArgs e)
at System.Windows.Forms.Control.WmCreate(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.UserControl.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

This exception was originally thrown at this call stack:
[External Code]

Inner Exception 1:
ThreadStateException: Current thread must be set to single thread apartment (STA) mode before OLE calls can be made. Ensure that your Main function has STAThreadAttribute marked on it.
---------------------------------------------------------------

Please run your code like below and see if it helps:

WFP: WinForm:

farzan wrote: ↑Tue Oct 20, 2020 9:08 pm Please run your code like below and see if it helps:

WFP:

Code: Select all

Application.Current.Dispatcher.Invoke(
    () =>
    {
         var sr_ReportBuilder = new StiReport();
         sr_ReportBuilder.Load("Reports\\Report23.mrt");
         sr_ReportBuilder.Show();
    });

WinForm:

Code: Select all

public partial class Form1: Form
{
    private readonly SynchronizationContext uiContext;

    public Form1()
    {
        InitializeComponent();
        uiContext = SynchronizationContext.Current; // get UI context
    }

    private void yourFunc()
    {
            uiContext.Send((object state) =>
            {
                 var sr_ReportBuilder = new StiReport();
                 sr_ReportBuilder.Load("Reports\\Report23.mrt");
                 sr_ReportBuilder.Show();
            }, null);
    }
}

still same error!!

Hello,

Please send us a sample project that reproduces the issue for analysis.

Also, please check :
https://social.msdn.microsoft.com/Forum ... ?forum=clr

Thank you.