FolderBrowserDialog is empty

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Davy Brion - 11 Sep 2004 16:32 GMT

Hey,

i'm sure i overlooked something silly, but for some reason if i try to
use the FolderBrowserDialog.ShowDialog method, the dialog does not
show a treeview containing folders... the dialog only contains the
button to create a new folder (which also doesn't do anything) and
the Ok and Cancel buttons.

I get this behaviour no matter what value i assign to the RootFolder
property before calling the ShowDialog method.

Does anyone know what i'm doing wrong here?

thx

ps: using .NET 1.1 with SP1 on XP Pro SP2

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Herfried K. Wagner [MVP] - 11 Sep 2004 18:24 GMT

* "Davy Brion" <ralinx@gmail.com> scripsit:

> i'm sure i overlooked something silly, but for some reason if i try to
> use the FolderBrowserDialog.ShowDialog method, the dialog does not
> show a treeview containing folders... the dialog only contains the
> button to create a new folder (which also doesn't do anything) and
> the Ok and Cancel buttons.

Make sure the 'STAThread' attribute is specified on your application's
entry point (not 'MTAThread'). 'STAThread' is the default, so it
doesn't need to be explicitly added to your 'void Main'/'Sub Main'.

Signature

M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/

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Davy Brion - 11 Sep 2004 19:20 GMT

> Make sure the 'STAThread' attribute is specified on your application's
> entry point (not 'MTAThread'). 'STAThread' is the default, so it
> doesn't need to be explicitly added to your 'void Main'/'Sub Main'.

thx, that fixed it :)

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Joey Callisay - 13 Sep 2004 02:35 GMT

Any article or links which discusses this behavior for folderbrowserdialog
on Multithreaded apps Mr. Wagner?

Thanx...

> * "Davy Brion" <ralinx@gmail.com> scripsit:
> > i'm sure i overlooked something silly, but for some reason if i try to
[quoted text clipped - 6 lines]
> entry point (not 'MTAThread'). 'STAThread' is the default, so it
> doesn't need to be explicitly added to your 'void Main'/'Sub Main'.

Reply to this Message

Herfried K. Wagner [MVP] - 13 Sep 2004 07:58 GMT

* "Joey Callisay" <hcalisay@codex-systems.com> scripsit:

> Any article or links which discusses this behavior for folderbrowserdialog
> on Multithreaded apps Mr. Wagner?

I don't have an article in mind, but for Windows Forms Apps I'd use
'STAThread' to avoid problems when components make use of COM interop.

Signature

M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/

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Joey Callisay - 13 Sep 2004 08:19 GMT

ok thanx

> * "Joey Callisay" <hcalisay@codex-systems.com> scripsit:
> > Any article or links which discusses this behavior for folderbrowserdialog
> > on Multithreaded apps Mr. Wagner?
>
> I don't have an article in mind, but for Windows Forms Apps I'd use
> 'STAThread' to avoid problems when components make use of COM interop.

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FolderBrowserDialog is empty

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