public bool IsCullBackFace {get; set;}

{
  // Create BasicMaterial with default values
  BasicMaterial material = new BasicMaterial();
  System.Windows.Media.Color color = material.Color;         // color = Colors.Black
  System.Windows.Media.Color edgeColor = material.EdgeColor; // edgeColor = Colors.Black
  int edgeWidth = material.EdgeWidth;                        // edgeWidth = 0
  int transparency = material.TransparencyPercent;           // transparency = 0
  int shininess = material.Shininess;                        // shininess = 0
  bool cullBackFace = material.IsCullBackFace;               // cullBackFace = false

  // Modify the properties
  material.Color = System.Windows.Media.Colors.Red;
  material.EdgeColor = System.Windows.Media.Colors.Blue;
  material.EdgeWidth = 10;
  material.TransparencyPercent = 50;
  material.Shininess = 25;
  material.IsCullBackFace = true;
}