GitUI.CommandsDialogs.FormBrowse.ShowSelectedFileDiff C# (CSharp) Method

        private void ShowSelectedFileDiff()
        {
            if (DiffFiles.SelectedItem == null)
            {
                DiffText.ViewPatch("");
                return;
            }

            IList<GitRevision> items = RevisionGrid.GetSelectedRevisions();
            if (items.Count() == 1)
                items.Add(new GitRevision(Module, DiffFiles.SelectedItemParent));
            DiffText.ViewChanges(items, DiffFiles.SelectedItem, String.Empty);
        }