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Writing a Windows PowerShell Snap-in

This example shows how to write a Windows PowerShell snap-in that can be used to register all the cmdlets and Windows PowerShell providers in an assembly.

With this type of snap-in, you do not select which cmdlets and providers you want to register. To write a snap-in that allows you to select what is registered, see Writing a Custom Windows PowerShell Snap-in.

Writing a Windows PowerShell Snap-in

Add the RunInstallerAttribute attribute.
Create a public class that derives from the PSSnapIn class.

In this example, the class name is "GetProcPSSnapIn01".
Add a public property for the name of the snap-in (required). When naming snap-ins, do not use any of the following characters: # . , ( ) { } [ ] & - /\ $ ; : ” ’ < > | ? @ ` *

In this example, the name of the snap-in is "GetProcPSSnapIn01".
Add a public property for the vendor of the snap-in (required).

In this example, the vendor is "Microsoft".
Add a public property for the vendor resource of the snap-in (optional).

In this example, the vendor resource is "GetProcPSSnapIn01,Microsoft".
Add a public property for the description of the snap-in (required).

In this example, the description is "This is a Windows PowerShell snap-in that registers the get-proc cmdlet".
Add a public property for the description resource of the snap-in (optional).

In this example, the vendor resource is "GetProcPSSnapIn01,This is a Windows PowerShell snap-in that registers the get-proc cmdlet".

Example

This example shows how to write a Windows PowerShell snap-in that can be used to register the Get-Proc cmdlet in the Windows PowerShell shell. Be aware that in this example, the complete assembly would contain only the GetProcPSSnapIn01 snap-in class and the Get-Proc cmdlet class.

[RunInstaller(true)]
public class GetProcPSSnapIn01 : PSSnapIn
{
  /// <summary>
  /// Create an instance of the GetProcPSSnapIn01 class.
  /// </summary>
  public GetProcPSSnapIn01()
         : base()
  {
  }

  /// <summary>
  /// Specify the name of the PowerShell snap-in.
  /// </summary>
  public override string Name
  {
    get
    {
      return "GetProcPSSnapIn01";
    }
  }

  /// <summary>
  /// Specify the vendor for the PowerShell snap-in.
  /// </summary>
  public override string Vendor
  {
    get
    {
      return "Microsoft";
    }
  }

  /// <summary>
  /// Specify the localization resource information for the vendor. 
  /// Use the format: resourceBaseName,VendorName. 
  /// </summary>
  public override string VendorResource
  {
    get
    {
      return "GetProcPSSnapIn01,Microsoft";
    }
  }

  /// <summary>
  /// Specify a description of the PowerShell snap-in.
  /// </summary>
  public override string Description
  {
    get
    {
      return "This is a PowerShell snap-in that includes the get-proc cmdlet.";
    }
  }

  /// <summary>
  /// Specify the localization resource information for the description. 
  /// Use the format: resourceBaseName,Description. 
  /// </summary>
  public override string DescriptionResource
  {
    get
    {
      return "GetProcPSSnapIn01,This is a PowerShell snap-in that includes the get-proc cmdlet.";
    }
  }
}

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Writing a Windows PowerShell Snap-in