C# Definition:

    [Guid("148BD527-A2AB-11CE-B11F-00AA00530503"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface ITaskScheduler
    {
    int SetTargetComputer(  [MarshalAs(UnmanagedType.LPWStr)]   string      computer);
    int GetTargetComputer(  [MarshalAs(UnmanagedType.LPWStr)]   out string  computer);
    int Enum(           [MarshalAs(UnmanagedType.IUnknown)] out object  enumworkitems);
    int Activate(       [MarshalAs(UnmanagedType.LPWStr)]   string      name,
                                    ref Guid    riid,
                [MarshalAs(UnmanagedType.IUnknown)] out object  obj);
    int Delete(         [MarshalAs(UnmanagedType.LPWStr)]   string      name);
    int NewWorkItem(    [MarshalAs(UnmanagedType.LPWStr)]   string      name,
                                    ref Guid    rclsid,
                                    ref Guid    riid,
                [MarshalAs(UnmanagedType.IUnknown)] out object  obj);
    int AddWorkItem(    [MarshalAs(UnmanagedType.LPWStr)]   string      name,
                [MarshalAs(UnmanagedType.IUnknown)] object      obj);
    int IsOfType(       [MarshalAs(UnmanagedType.LPWStr)]   string      name,
                                    ref Guid    riid);
    };

C# Helper Code

    using System;
    using System.Runtime.InteropServices;

    static public Guid CLSID_TaskScheduler = new Guid("148BD52A-A2AB-11CE-B11F-00AA00530503");

    static public ITaskScheduler CreateTaskScheduler()
    {
    Type obj = Type.GetTypeFromCLSID(CLSID_TaskScheduler, true);
    return Activator.CreateInstance(obj) as ITaskScheduler;
    }

VB Definition:

<ComImport> _
<Guid("TODO")> _
'TODO: Insert <InterfaceType(ComInterfaceType.InterfaceIsIUnknown)> _ if this doesn't derive from IDispatch
Interface ITaskScheduler
   TODO
End Interface

User-Defined Types:

None.

Notes:

None.

Alternative managed API:

http://www.codeproject.com/KB/cs/tsnewlib.aspx

Managed wrapper library for all Task Scheduler 1.0 and 2.0 interfaces:

http://taskscheduler.codeplex.com