[Ironpython-users] ShowDialog Hangs

[Slide]

You need to make sure the thread was started as an STAThread I believe,
otherwise the common windows controls (OpenFileDialog being one of them)
won't work correctly.

On Wed Feb 25 2015 at 2:02:32 AM Andrew Ayre <andy at britishideas.com> wrote:

> I am sure I am making a silly mistake somewhere.
>
> I have IronPython embedded in my C# WinForms application.
>
> The interpreter is running in a thread that has been created for it.
> I.e. not the UI thread.
>
> Everything works fine until the call to Dialog.ShowDialog, at which
> point execution of IronPython hangs and no dialog appears.
>
> I'm guessing that this is because the interpreter is not running in the
> UI thread (which I don't want to do because sometimes scripts can take a
> long time to execute, depending on what they are doing).
>
> This is my first attempt using WinForms from scripting in my application.
>
> Any hints or suggestions on how I can debug this, synchronize with the
> UI thread or something else?
>
> Thanks! Andy
>
> import clr
> clr.AddReference("System.Windows.Forms")
> from System.Windows.Forms import OpenFileDialog, DialogResult
>
> Dialog = OpenFileDialog()
> Dialog.ShowDialog()
>
> --
> Andy
> PGP Key ID: 0xDC1B5864
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