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Typecast problem

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Hi!

I'm currently working with a PS script that is able to create some folders and views in OpsMgr.

It's working quite well, except when setting the parentfolder on a folder.

In C# I would have done like this

newFolder.ParentFolder = mp.GetFolder("Name of Parent Folder")

In PS I try something like this:

$NewFolder.ParentFolder = [Microsoft.EnterpriseManagement.Configuration.ManagementPackFolder] $mp.GetFolder('Name of Parent Folder')

If I try this, it gives me an exception like this:

Exception setting "ParentFolder": "Cannot convert "Name of Parent folder" to "Microsoft.EnterpriseManagement.Configuration.ManagementPackElementReference`1[Microsoft.EnterpriseManagement.Configuration.ManagementPackFolder]"."

Is this something PS specific or what?

Regards Henrik

Thursday, August 20, 2009 11:53 AM

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I'm not a professional .NET programmer so I may actually say some inaccurate things here.

This .NET generic class is a pain. I came up against it several months ago, and it got the best of me. So, yes, this is something PowerShell specific.

I was told by a senior Microsoft OpsMgr engineer that it should be possible to deal with this generic class, but he was never available to help me (for free), and I eventually moved on.

I came across this while trying to translate this C# to PowerShell:
http://blogs.msdn.com/boris_yanushpolsky/archive/2008/01/17/creating-overrides-using-the-sdk.aspx

It might have come up another time also...

What I think it comes down to for you, is that PowerShell isn't accepting you put a simple string in GetFolder().

Very odd when it appears it is actually supposed to take a simple string:
http://msdn.microsoft.com/en-us/library/microsoft.enterprisemanagement.configuration.managementpack.getfolder.aspx
- Marked as answer by .Anders BengtssonMicrosoft employee Monday, November 23, 2009 10:53 PM
Friday, August 21, 2009 1:55 AM

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I'm not a professional .NET programmer so I may actually say some inaccurate things here.

This .NET generic class is a pain. I came up against it several months ago, and it got the best of me. So, yes, this is something PowerShell specific.

I was told by a senior Microsoft OpsMgr engineer that it should be possible to deal with this generic class, but he was never available to help me (for free), and I eventually moved on.

I came across this while trying to translate this C# to PowerShell:
http://blogs.msdn.com/boris_yanushpolsky/archive/2008/01/17/creating-overrides-using-the-sdk.aspx

It might have come up another time also...

What I think it comes down to for you, is that PowerShell isn't accepting you put a simple string in GetFolder().

Very odd when it appears it is actually supposed to take a simple string:
http://msdn.microsoft.com/en-us/library/microsoft.enterprisemanagement.configuration.managementpack.getfolder.aspx
- Marked as answer by .Anders BengtssonMicrosoft employee Monday, November 23, 2009 10:53 PM
Friday, August 21, 2009 1:55 AM
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Thanks Marco, Nice to know that I'm not alone:-)

I really don't like to give up on this, but maybe it's best to get back to C# to save siome time.

Friday, August 21, 2009 7:04 AM
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"Mark as Answer", no activity for a month. Feel free to re-open this
Anders Bengtsson | Microsoft MVP - Operations Manager | http://www.contoso.se

Monday, November 23, 2009 10:53 PM