An application that maintains its own minimized child windows can use the ArrangeIconicWindows function to arrange icons in a parent window. This function can also arrange icons on the desktop. To retrieve the window handle to the desktop window, use the GetDesktopWindow function.

static extern IntPtr GetDesktopWindow();

Private Shared Function GetDesktopWindow() As IntPtr

Private Declare Auto Function GetDesktopWindow Lib "user32.dll" () As IntPtr

    Private Declare Auto Function GetDesktopWindow Lib "user32.dll" () As IntPtr

static extern IntPtr GetDesktopWindow();

IntPtr handle = MonitorFromWindow(GetDesktopWindow(), MONITOR_DEFAULTTONEAREST);

   IntPtr hWnd = GetDesktopWindow();

private static extern IntPtr GetDesktopWindow();

Declare Function GetDesktopWindow Lib "coredll.dll" () As IntPtr

private static extern IntPtr GetDesktopWindow();

    SetForegroundWindow (GetDesktopWindow());

private static extern IntPtr GetDesktopWindow ();

    SetForegroundWindow (GetDesktopWindow ());