How to create custom powershell cmdlet using Visual Studio 2010

Steps Involved:

• Open Visual Studio 2010.
• Go to File => New => Project.
• Select Class Library template, enter the name and click Ok.
  
  
  
  
• Add the following references.
  -System.Management.Automation.dll (C:\Program Files (x86)\Reference Assemblies\Microsoft\WindowsPowerShell\v1.0\System.Management.Automation.dll)
  -System.Configuration.Install.dll (C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Configuration.Install.dll
  -Microsoft.SharePoint.dll (C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\ISAPI\Microsoft.SharePoint.dll)
  -Microsoft.SharePoint.PowerShell.dll    (C:\Windows\assembly\GAC_MSIL\Microsoft.SharePoint.PowerShell\14.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Powershell.dll)
• Add the following namespaces.
  -using System.Management.Automation;
  -using Microsoft.SharePoint;
  -using Microsoft.SharePoint.PowerShell;
• I have renamed Class1.cs file to GetSPWebTitle.cs.
• Replace GetSPWebTitle.cs with the following code.
  
  
  
  PowerShell Installer class:
  In order for our PowerShell Cmdlet to work, we need to create an installer-class.
• Right click the solution explorer, add a new item.
• Select the class template and name it as Installer.cs.
  
  
  
  
• Click on Add.
• Replace Installer.cs with the following code.
  
  
  
  
• Build the solution.

Install the snapin:
Install.bat
@SET GACUTIL="C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin\gacutil.exe"
@SET NSTALLUTIL="C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727\InstallUtil.exe"

%GACUTIL% -if %~dp0anavijai.SP2010.PowerShell.dll
%INSTALLUTIL% %~dp0anavijai.SP2010.PowerShell.dll

Pause

Register the snapin:

Add-PSSnapin anavijai.SP2010.PowerShell
Get-Command - Module anavijai.SP2010.PowerShell

Snapin example:
Get-SPWebTitle - url "http://anavijai:1111"