async void ProjectItemMenuItemCallback(object sender, EventArgs e)
        {
            string itemPath = VisualStudioInteraction.GetSingleSelectedItemPath();
            var    fileInfo = new FileInfo(itemPath);

            if (!CodeConversion.IsVBFileName(fileInfo.Name))
            {
                return;
            }

            try {
                using (StreamReader reader = new StreamReader(itemPath)) {
                    string csCode = await reader.ReadToEndAsync();

                    CodeConversion.PerformVBToCSConversion(ServiceProvider, csCode);
                }
            } catch (Exception ex) {
                VisualStudioInteraction.ShowException(ServiceProvider, CodeConversion.VBToCSConversionTitle, ex);
            }
        }
        void CodeEditorMenuItemCallback(object sender, EventArgs e)
        {
            string selectedText = CodeConversion.GetVBSelectionInCurrentView(ServiceProvider)?.StreamSelectionSpan.GetText();

            CodeConversion.PerformVBToCSConversion(ServiceProvider, selectedText);
        }