Cmdlet file dialog implementation

Question

I have a console application in .NET 6 that hosts Powershell cmdlets using System.Management.Automation. I'm trying to make the cmdlet open up a file dialog inside the ProcessRecord method of the PSCmdlet but I haven't found a way to do this after an extensive search. I tried OpenFileDialog which comes from Windows Forms but it only works in the host. I would like it to be launched from within the cmdlet class. But calling ShowDialog throws this exception`ThreadStateException:

'Current thread must be set to single thread apartment (STA) mode before OLE calls can be made. Ensure that your Main function has STAThhreadAttribute marked on it. This exception is only raised if a debugger is attached to the process'`

and I do have the STAThread attribute on the host's Main.

So I would like to ask how exactly you go about implementing this.

Answer 1

Hi

Thank you for posting your query.

Kindly follow the steps provided below to resolve your issue.

You want the OpenFileDialog https://learn.microsoft.com/en-us/dotnet/api/system.windows.forms.openfiledialog?redirectedfrom=MSDN&view=windowsdesktop-6.0 class

This class allows you to check whether a file exists and to open it

Do not hesitate to message us if you need further assistance.

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