public VertexAndEdgeDrawerBase()
{
m_bUseSelection = true;
m_oColor = SystemColors.WindowTextColor;
m_oSelectedColor = SystemColors.HighlightColor;
m_btFilteredAlpha = 10;
m_oFormattedTextManager = new FormattedTextManager();
m_iMaximumLabelLength = Int32.MaxValue;
CreateDrawingObjects();
// AssertValid();
}