Good evening everyone.
Just thought I'd comment on a situation that I came across recently. Probably already acknowledged but here's my version.
Environment:
OS: Script written in Win8. Run against Win7
PoSH Version: Win8-PoSH v3, Win7-PoSH v2. All native modules.
Issue: GUI Scripts configured under Windows 8 and PowerShell
Studio 2012 would not load the .Net Load Assemblies
properly when Run on Windows 7 / PowerShell V2.
I recently configured 2 nested forms with the second triggered by the first under certain circumstances. I had to modify the code at "region Import the Assemblies" for both forms in order for the script to work in both PowerShell environments: V3 and V2.
I was seeing errors related to loading the .Net background necessary to run the script in different OSs. I built the script in Windows 8 but I wanted to ensure that PowerShell V2 would also work.
I had .Net loaded from 3.5 to 4.5 on the Windows 7 OS. Still error'd out that it couldn't find the files associated with the .Net references to the following:
#region Import the Assemblies
#----------------------------------------------
[void][reflection.assembly]::Load("mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
[void][reflection.assembly]::Load("System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
[void][reflection.assembly]::Load("System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
[void][reflection.assembly]::Load("System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
[void][reflection.assembly]::Load("System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")
[void][reflection.assembly]::Load("System.Xml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
[void][reflection.assembly]::Load("System.DirectoryServices, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")
[void][reflection.assembly]::Load("System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
[void][reflection.assembly]::Load("System.ServiceProcess, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")
#endregion Import Assemblies
To make it to work in Windows 7 (PoSH V2) I had to change the version numbers of all these .Net references.
The code listed above is AFTER the modification. Initially, every reference to the version was 4.0.0.0. I changed these values to 2.0.0.0 with the notable exception of the "Load System Core" toward the bottom of the version references. I changed that to version 3.5 based on the values observed in the same script processed in Windows 7, PowerShell V2, PowerShell Studio 2012
The script ran fine in both Win7 and 8 after this mod. .
Windows 7/8 .Net considerations
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Re: Windows 7/8 .Net considerations
Yes you can't load 4.0 assemblies under PosH V2. This is the expected behavior.
Install V3 on Windows 7 to get full functionality or target V2 in PowerShell Studio.
Install V3 on Windows 7 to get full functionality or target V2 in PowerShell Studio.