private void AARevisionGraphTargetMI_Click(object sender, EventArgs e)
        {
            string targetFile = _selectedItem.ResolveRecord.LocalFilePath.Path;

            Scm.LaunchRevisionGraphView(targetFile);
        }
        private void AARevisionGraphSourceMI_Click(object sender, EventArgs e)
        {
            string sourceFile = _selectedItem.ResolveRecord.FromFileSpec.DepotPath.Path;

            Scm.LaunchRevisionGraphView(sourceFile);
        }