public static void PaintByMaterial(UIDocument uidoc, Param par)
{
Document doc = uidoc.Document;
if (doc.IsFamilyDocument)
{
Selection sel = uidoc.Selection;
ISelectionFilter selectionFilter = new GFSelectionFilter();
Reference ChangedObject = sel.PickObject(ObjectType.Element, selectionFilter);
GenericForm gf = doc.GetElement(ChangedObject.ElementId) as GenericForm;
using (Transaction t = new Transaction(doc, "Paint Faces"))
{
t.Start();
FamilyManager fmgr = doc.FamilyManager;
FamilyParameter p;
if (doc.FamilyManager.get_Parameter(par.Guid) == null)
{
ExternalDefinition def = par.CreateDefinition(doc) as ExternalDefinition;
p = doc.FamilyManager.AddParameter(def, BuiltInParameterGroup.PG_IFC, par.Instance);
}
else
{
p = doc.FamilyManager.get_Parameter(par.Guid);
}
Options geoOptions = new Options();
geoOptions.DetailLevel = ViewDetailLevel.Fine;
GeometryElement geoEle = gf.get_Geometry(geoOptions);
IEnumerator <GeometryObject> geoObjIt = geoEle.GetEnumerator();
while (geoObjIt.MoveNext())
{
Solid solid = geoObjIt.Current as Solid;
if (solid != null)
{
foreach (Face f in solid.Faces)
{
doc.Paint(gf.Id, f, p);
}
}
}
t.Commit();
}
}
}
