/// <summary>
/// Sets the layout that will be used to render the graph
/// </summary>
/// <param name="layout">Layout engine name</param>
protected void SetLayout(string layout)
{
if (GraphVizCore.gvLayout(GVContext, GVGraph, layout) != 0)
{
throw new ArgumentException("Error while setting layout to \"" + layout + "\"");
}
}
