/// <summary>
/// Initializes the GraphViz renderer
/// </summary>
/// <param name="graphVizInstallPath">GraphViz install path</param>
private void Initialize(string graphVizInstallPath)
{
GraphVizCore.AddEnvironmentPaths(graphVizInstallPath);
GVContext = GraphVizCore.gvContext();
LayoutEngine = GV_DEFAULT_LAYOUT;
}
