How to Remove a Step from an Operating System Deployment Group

아티클
05/03/2011

Applies To: System Center Configuration Manager 2007, System Center Configuration Manager 2007 R2, System Center Configuration Manager 2007 R3, System Center Configuration Manager 2007 SP1, System Center Configuration Manager 2007 SP2

In Microsoft System Center Configuration Manager 2007, you delete a step (an action or a group) from an operating system deployment task sequence group by deleting the step from the group's list of task sequence steps.

To remove a step from a group

Set up a connection to the SMS Provider. For more information, see About the SMS Provider in Configuration Manager.
Get the SMS_TaskSequenceGroup object that you want to add the step to. For more information, see How to Create an Operating System Deployment Task Sequence Group.
Remove the action from the SMS_TaskSequenceGroup.Steps array property.

Example

The following example method removes an action from a task sequence group.

For information about calling the sample code, see Calling Configuration Manager Code Snippets.

Sub RemoveActionFromGroup(taskSequenceGroup, actionName)

    Dim i
  
    If taskSequenceGroup.SystemProperties_("__CLASS")<>"SMS_TaskSequence_Group" Then
        wscript.echo "Not a group"
        return
    End If
  
        Dim newArray
        Dim actionStep
        
        newArray = Array(taskSequenceGroup.Steps)
        ReDim newArray(UBound(taskSequenceGroup.Steps))
                         
        i=0
        for each  actionStep in taskSequenceGroup.Steps
            If actionStep.Name = actionName and _
              actionStep.SystemProperties_("__SUPERCLASS") = "SMS_TaskSequence_Action" Then
                 ReDim preserve newArray(UBound(newArray)-1) ' shrink the Array
            else
               wscript.echo actionStep.Name
               Set newArray(i)=actionStep ' copy it
               i=i+1
            End If   

         Next
             
         taskSequenceGroup.Steps=newArray
         
 End Sub

public void RemoveActionFromGroup(
    IResultObject taskSequenceGroup, 
    string actionName)
{
    try
    {
        if (taskSequenceGroup["__CLASS"].StringValue != "SMS_TaskSequence_Group")
        {
            throw new System.InvalidOperationException("Not a group");
        }

        List<IResultObject> groupSteps = taskSequenceGroup.GetArrayItems("Steps");
        IResultObject actionFound = null;
        foreach (IResultObject actionStep in groupSteps)
        {
            if (actionStep["Name"].StringValue == actionName && actionStep["__SUPERCLASS"].StringValue == "SMS_TaskSequence_Action")
            {
                actionFound = actionStep;
                break;
            }
        }

        groupSteps.Remove(actionFound);
        taskSequenceGroup.SetArrayItems("Steps", groupSteps);
    }
    catch (SmsException e)
    {
        Console.WriteLine("Failed to remove action: " + e.Message);
        throw;
    }
}

The example method has the following parameters:

Parameter	Type	Description
taskSequenceGroup	Managed: IResultObject VBScript: SWbemObject	The task sequence group containing the action to be deleted.
actionName	Managed: String VBScript: String	The name of the action to be deleted. This can be obtained from the SMS_TaskSequenceAction.Name property.

Compiling the Code

This C# example requires:

Namespaces

System

System.Collections.Generic

System.Text

Microsoft.ConfigurationManagement.ManagementProvider

Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine

Assembly

microsoft.configurationmanagement.managementprovider

adminui.wqlqueryengine

Robust Programming

For more information about error handling, see About Configuration Manager Errors.

Security

For more information about securing Configuration Manager applications, see About Securing Configuration Manager Applications.

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