Simple Example of List, Create, Modify, and Delete

Article
10/04/2022

The following example shows set of very basic methods using the SMS_Package class to demonstrate List, Create, Modify and Delete operations using the SMS Provider. This is a look at the structure of a basic Configuration Manager program – there are more useful method snippets in other areas of the SDK that accomplish specific tasks.

Important

To simplify the code example, some methods are commented out, as they need additional information (an existing package identifier). Use the ListPackages method to obtain the package identifier for use with the ModifyPackage and DeletePackage methods.

To list packages

Set up a connection to the SMS Provider.
Run a query, which populates a variable with a collection of SMS_Package class instances.
Enumerate through the collection and list the packages returned by the query.

To create a package

Set up a connection to the SMS Provider.
Create the new package object by using the SMS_Package class.
Populate the new package properties.
Save the package.

To modify a package

Set up a connection to the SMS Provider.
Load the existing package object by using the SMS_Package class.
Modify a package property.
Save the package.

To delete a package

Set up a connection to the SMS Provider.
Load the existing package object by using the SMS_Package class.
Delete the package by using the delete method.

Example

The following example method shows set of very basic methods using SMS_Package class to demonstrate List, Create, Modify and Delete operations using the SMS Provider.

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

Note

The below example embeds the calling code in the code. Most other examples in SDK the simply show a method with parameters.


using System;  
using System.Collections.Generic;  
using System.Linq;  
using System.Text;  
using System.Threading.Tasks;  

// Added the below Configuration Manager DLL references to support basic SMS Provider operations:  
//    C:\Program Files (x86)\Microsoft Endpoint Manager\AdminConsole\bin\Microsoft.ConfigurationManagement.ManagementProvider.dll  
//    C:\Program Files (x86)\Microsoft Endpoint Manager\AdminConsole\bin\AdminUI.WqlQueryEngine.dll  
// Added the below Configuration Manager namespaces to support basic SMS Provider operations:  
      using Microsoft.ConfigurationManagement.ManagementProvider;                    
      using Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine;     

//  
// A set of very basic methods using the SMS_Package class to demonstrate List, Create, Modify and Delete operations using the SMS Provider.  
//   
// Note: To simplify the code example, some methods are commented out, as they need additional information (an existing package identifier).   
// Use the ListPackages method to obtain the package identifier for use with the ModifyPackage and DeletePackage methods.   
//  
namespace BasicApp  
{  
    class Program  
    {  
        static void Main(string[] args)  
        {  
            // Setup Objects  
            SnippetClass BasicCMAppSnippets = new SnippetClass();  

            // Setup a connection to the SMS Provider.  
            // Passing in <server name>, <domain\\account>, <password>.   
            WqlConnectionManager WMIConnection = BasicCMAppSnippets.Connect("CMLABSERVER", "CMLABSERVER\\cmlabuser", "password");  

            // List all packages (instances of SMS_Package).  
            BasicCMAppSnippets.ListPackages(WMIConnection);  

            // Create a new package.  
            // Note: This is not a useful package (too few properties), just a demonstration of creating a Configuration Manager object.  
            BasicCMAppSnippets.CreatePackage(WMIConnection, "New Package", "This is the new package.");  

            // Modifies a specific package (instance of SMS_Package).  
            // A valid PackageID needs to be passed to the ModifyPackage method - replace "ABC00000".  
            //BasicCMAppSnippets.ModifyPackage(WMIConnection, "ABC00000");  

            // Deletes a specific package (instance of SMS_Package).  
            // A valid PackageID needs to be passed to the DeletePackage method - replace "ABC00000".  
            //BasicCMAppSnippets.DeletePackage(WMIConnection, "ABC00000");  

            // Delay to keep the console output visible.  
            Console.ReadLine();  
        }  
    }  

    class SnippetClass  
    {  
        public WqlConnectionManager Connect(string serverName, string userName, string userPassword)  
        {  
            try  
            {  
                SmsNamedValuesDictionary namedValues = new SmsNamedValuesDictionary();  
                WqlConnectionManager connection = new WqlConnectionManager(namedValues);  
                if (System.Net.Dns.GetHostName().ToUpper() == serverName.ToUpper())  
                {  
                    connection.Connect(serverName);  
                }  
                else  
                {  
                    connection.Connect(serverName, userName, userPassword);  
                }  
                return connection;  
            }  
            catch (SmsException ex)  
            {  
                Console.WriteLine("Failed to connect. Error: " + ex.Message);  
                return null;  

            }  
            catch (UnauthorizedAccessException ex)  
            {  
                Console.WriteLine("Failed to authenticate. Error:" + ex.Message);  
                throw;  
            }  
        }  

        public void ListPackages(WqlConnectionManager connection)  
        {  
            try  
            {  
                // This query selects all packages (instances of SMS_Package).  
                string query = "SELECT * FROM SMS_Package";  

                // Run query, which populates 'listOfPackages' with a collection of package objects.   
                IResultObject listOfPackages = connection.QueryProcessor.ExecuteQuery(query);  

                // Output header for list of distribution points.  
                Console.WriteLine(" ");   
                Console.WriteLine("List of packages:  ");  
                Console.WriteLine("-------------------");  

                // Enumerate through the collection of objects returned by the query.  
                foreach (IResultObject package in listOfPackages)  
                {  
                    // Output the package name for each package object.  
                    Console.WriteLine("Package ID: {0} Package Name: {1}", package["PackageID"].StringValue, package["Name"].StringValue);    
                }  
            }  
            catch (SmsException ex)  
            {  
                Console.WriteLine("Failed to list packages. Error: " + ex.Message);  
                throw;  
            }  
        }  

        public void CreatePackage(WqlConnectionManager connection, string newPackageName, string newPackageDescription)  
        {  
            try  
            {  
                // Create new package object.  
                IResultObject newPackage = connection.CreateInstance("SMS_Package");  

                // Populate new package properties.  
                newPackage["Name"].StringValue = newPackageName;  
                newPackage["Description"].StringValue = newPackageDescription;  

                // Save the new package and the new package properties.  
                newPackage.Put();  
                // The key value 'PackageID' is created on the put, so getting the package object to output the unique 'PackageID' ('Name' is not guaranteed to be unique).   
                newPackage.Get();  

                // Output new package name.  
                Console.WriteLine("Created Package ID: {0} Package Name: {1}", newPackage["PackageID"].StringValue, newPackage["Name"].StringValue);    
            }  
            catch (SmsException ex)  
            {  
                Console.WriteLine("Failed to create package. Error: " + ex.Message);  
                throw;  
            }  
        }  

        public void ModifyPackage(WqlConnectionManager connection, string existingPackageID)  
        {  
            try  
            {  
                // Get the specific package instance to modify (PackageID is a key value).   
                IResultObject packageToModify = connection.GetInstance(@"SMS_Package.PackageID='" + existingPackageID + "'");  

                // Modify a package properties (in this case description).  
                packageToModify["Description"].StringValue = "This package has been modified. " + packageToModify["Description"].StringValue;  

                // Save the new package and the new package properties.  
                packageToModify.Put();  
            }  
            catch (SmsException ex)  
            {  
                Console.WriteLine("Failed to delete package. Error: " + ex.Message);  
                throw;  
            }  
        }  

        public void DeletePackage(WqlConnectionManager connection, string existingPackageID)  
        {  
            try  
            {                  
                // Get the specific package instance to delete (PackageID is a key value).   
                IResultObject packageToDelete = connection.GetInstance(@"SMS_Package.PackageID='" + existingPackageID + "'");  

                // Output package ID and name being deleted.  
                Console.WriteLine("Deleting Package ID: {0} Package Name: {1}", packageToDelete["PackageID"].StringValue, packageToDelete["Name"].StringValue);       

                // Delete the package.  
                packageToDelete.Delete();             
            }  
            catch (SmsException ex)  
            {  
                Console.WriteLine("Failed to delete package. Error: " + ex.Message);  
                throw;  
            }  
        }  

    }  
}

The example method has the following parameters:

Parameter	Type	Description
`connection`	- Managed: `WqlConnectionManager`	A valid connection to the SMS Provider.
`newPackageName`	- Managed: `String`	The name of the new package.
`newPackageDescription`	- Managed: `String`	The description for the new package.
`existingPackageID`	- Managed: `String`	An existing Package identifier. This is a key value for the `SMS_Package` class and is used to return a specific instance of the `SMS_Package` class. The ListPackages method in the sample above returns the names and PackageIDs of the current package instances.

Compiling the Code

The C# example requires:

Namespaces

System

Microsoft.ConfigurationManagement.ManagementProvider

Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine

Assembly

adminui.wqlqueryengine

microsoft.configurationmanagement.managementprovider

mscorlib

Robust Programming

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