Microsoft.Office.Interop.PowerPoint.SlideShowWindow.Presentation.Slides[j]获取Slide报错：消息筛选器显示应用程序正在使用中。 (异常来自 HRESULT:0x8001010A (RPC_E_SERVERCALL_RETRYLATER))

private async Task<Slide> GetSlide(Presentation presentation, int j)
        {
            Slide slide;
            try
            {
                slide = presentation.Slides[j];
            }
            catch
            {
                await Task.Delay(50);
                slide = await GetSlide(presentation, j);
            }

            return slide;
        }