public static void PopExternalUI()
{
TaskLogger.LogEnter();
MsiUtility.InternalUISettings internalUISettings = (MsiUtility.InternalUISettings)MsiUtility.uiSettings.Pop();
MsiNativeMethods.SetExternalUI(internalUISettings.UIHandlerDelegate, InstallLogMode.None, null);
MsiNativeMethods.SetInternalUI(internalUISettings.UILevel, ref internalUISettings.Window);
TaskLogger.LogExit();
}
public static void PushExternalUI(MsiUIHandler handler, InstallLogMode logMode)
{
TaskLogger.LogEnter();
IntPtr zero = IntPtr.Zero;
InstallUILevel installUILevel = MsiNativeMethods.SetInternalUI(InstallUILevel.None | InstallUILevel.SourceResOnly, ref zero);
if (installUILevel == InstallUILevel.NoChange)
{
throw new ArgumentOutOfRangeException("uiLevel", installUILevel, Strings.ExceptionInvalidUILevel);
}
MsiUIHandlerDelegate handlerDelegate = MsiNativeMethods.SetExternalUI(handler.UIHandlerDelegate, logMode, null);
MsiUtility.uiSettings.Push(new MsiUtility.InternalUISettings(InstallUILevel.None | InstallUILevel.SourceResOnly, zero, handlerDelegate));
}
