Hello Travis Parks,
is designed in such a way that only one message box could be shown in any moment since our controls are not thread-safe and are intended to work in single-thread scenarios.
A simple workaround is to create your own message box form with a label and a button and show it using the ShowDialog
method. You should use a RadForm
in order to achieve the common look and feel.
worker1.RunWorkerCompleted += (sender, e) =>
MyMessageBox messageBox =
Since your scenario is a common one, we will consider supporting it in a future version. Your Telerik
points have been updated.
Hope this was helpful. If you have any further questions or you need further assistance, feel free write back.
All the best,
the Telerik team
Q3’10 SP1 of RadControls for WinForms is available for download
; also available is the Q1'11 Roadmap
for Telerik Windows Forms controls.