/// <summary>
/// Enables the installer's internal user interface.
/// </summary>
/// <param name="uiLevel">Specifies the level of complexity of the user interface.</param>
/// <param name="hwnd">Pointer to a window. This window becomes the owner of any user interface created.</param>
/// <returns>The previous user interface level is returned. If an invalid dwUILevel is passed, then INSTALLUILEVEL_NOCHANGE is returned.</returns>
internal static int SetInternalUI(int uiLevel, ref IntPtr hwnd)
{
return(MsiInterop.MsiSetInternalUI(uiLevel, ref hwnd));
}
