protected static T InitNodeEditor<T>( string name, NodeEditorSettings settings, TNodeGraph graph ) where T : ANodeEditor<TNodeGraph>
{
    T customEditor = EditorWindow.GetWindow<T>( name );
    customEditor.m_settings = settings;
    customEditor.m_activeGraph = graph;
    customEditor.UpdateWindowSize();
    return customEditor;
}

private static void SampleShowEditor()
{
    InitNodeEditor<SampleNodeEditorA>
    (
        "Sample Node Editor A",
        Resources.Load<NodeEditorSettings>( "SampleNodeEditorSettings" ),
        Resources.Load<SampleNodeGraph>( "SampleNodeGraphA" )
    );
}