GitUI.RevisionGrid.goToChildToolStripMenuItem_Click C# (CSharp) Метод

        private void goToChildToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var r = GetRevision(LastRowIndex);
            if (r != null)
            {
                var children = GetRevisionChildren(r.Guid);

                if (_parentChildNavigationHistory.HasPreviousChild)
                    _parentChildNavigationHistory.NavigateToPreviousChild(r.Guid);
                else if (children.Any())
                    _parentChildNavigationHistory.NavigateToChild(r.Guid, children[0]);
            }
        }