SolidFaces Property

public FaceArray Faces { get; }

Public ReadOnly Property Faces As FaceArray
	Get

public:
property FaceArray^ Faces {
	FaceArray^ get ();
}

member Faces : FaceArray with get

private void GetFacesAndEdges(Wall wall)
{
    String faceInfo = "";

    Autodesk.Revit.DB.Options opt = new Options();
    Autodesk.Revit.DB.GeometryElement geomElem = wall.get_Geometry(opt);
    foreach (GeometryObject geomObj in geomElem)
    {
        Solid geomSolid = geomObj as Solid;
        if (null != geomSolid)
        {
            int faces = 0;
            double totalArea = 0;
            foreach (Face geomFace in geomSolid.Faces)
            {
                faces++;
                faceInfo += "Face " + faces + " area: " + geomFace.Area.ToString() + "\n";
                totalArea += geomFace.Area;
            }
            faceInfo += "Number of faces: " + faces + "\n";
            faceInfo += "Total area: " + totalArea.ToString() + "\n";
            foreach (Edge geomEdge in geomSolid.Edges)
            {
                // get wall's geometry edges
            }
        }
    }

    TaskDialog.Show("Revit",faceInfo);
}