public GraphDrawer
(
Visual parentVisual
)
{
Debug.Assert(parentVisual != null);
m_oVisualCollection = new VisualCollection(parentVisual);
m_oAllVertexDrawingVisuals = null;
m_oUnselectedEdgeDrawingVisuals = null;
m_oSelectedEdgeDrawingVisuals = null;
m_oVertexDrawer = new VertexDrawer();
m_oEdgeDrawer = new EdgeDrawer();
m_oGroupDrawer = new GroupDrawer();
m_oBackColor = SystemColors.WindowColor;
m_oBackgroundImage = null;
AssertValid();
}