Programmatic control of virtual desktops in Windows 10

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The Windows SDK Support Team Blog posted a C# demo to switch Desktops via IVirtualDesktopManager:

[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("a5cd92ff-29be-454c-8d04-d82879fb3f1b")]
[System.Security.SuppressUnmanagedCodeSecurity]
public interface IVirtualDesktopManager
{
[PreserveSig]
int IsWindowOnCurrentVirtualDesktop(
    [In] IntPtr TopLevelWindow,
    [Out] out int OnCurrentDesktop
    );
[PreserveSig]
int GetWindowDesktopId(
    [In] IntPtr TopLevelWindow,
    [Out] out Guid CurrentDesktop
    );

[PreserveSig]
int MoveWindowToDesktop(
    [In] IntPtr TopLevelWindow,
    [MarshalAs(UnmanagedType.LPStruct)]
    [In]Guid CurrentDesktop
    );
}

[ComImport, Guid("aa509086-5ca9-4c25-8f95-589d3c07b48a")]
public class CVirtualDesktopManager
{

}
public class VirtualDesktopManager
{
    public VirtualDesktopManager()
    {
        cmanager = new CVirtualDesktopManager();
        manager = (IVirtualDesktopManager)cmanager;
    }
    ~VirtualDesktopManager()
    {
        manager = null;
        cmanager = null;
    }
    private CVirtualDesktopManager cmanager = null;
    private IVirtualDesktopManager manager;

    public bool IsWindowOnCurrentVirtualDesktop(IntPtr TopLevelWindow)
    {
        int result;
        int hr;
        if ((hr = manager.IsWindowOnCurrentVirtualDesktop(TopLevelWindow, out result)) != 0)
        {
            Marshal.ThrowExceptionForHR(hr);
        }
        return result != 0;
    }

    public Guid GetWindowDesktopId(IntPtr TopLevelWindow)
    {
        Guid result;
        int hr;
        if ((hr = manager.GetWindowDesktopId(TopLevelWindow, out result)) != 0)
        {
            Marshal.ThrowExceptionForHR(hr);
        }
        return result;
    }

    public void MoveWindowToDesktop(IntPtr TopLevelWindow, Guid CurrentDesktop)
    {
        int hr;
        if ((hr = manager.MoveWindowToDesktop(TopLevelWindow, CurrentDesktop)) != 0)
        {
            Marshal.ThrowExceptionForHR(hr);
        }
    }
}

it includes the API to detect on which desktop the Window is shown and it can switch and move a Windows the a Desktop.

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