AppearanceAssetElementDuplicate Method

public AppearanceAssetElement Duplicate(
	string name
)

Public Function Duplicate ( 
	name As String
) As AppearanceAssetElement

public:
AppearanceAssetElement^ Duplicate(
	String^ name
)

member Duplicate : 
        name : string -> AppearanceAssetElement 

public void DuplicateAndModifyMaterial(Material material)
{
   ElementId appearanceAssetId = material.AppearanceAssetId;

   AppearanceAssetElement assetElem = material.Document.GetElement(appearanceAssetId) as AppearanceAssetElement;

   ElementId duplicateAssetElementId = ElementId.InvalidElementId;

   using (Transaction t = new Transaction(material.Document, "Duplicate Red Carpet Material"))
   {
      t.Start();

      // Duplicate the material
      Material duplicateMaterial = material.Duplicate("Blue Carpet");

      // Duplicate the appearance asset and the asset in it
      AppearanceAssetElement duplicateAssetElement = assetElem.Duplicate("Blue Carpet");

      // Assign the asset element to the material
      duplicateMaterial.AppearanceAssetId = duplicateAssetElement.Id;

      duplicateAssetElementId = duplicateAssetElement.Id;

      t.Commit();
   }

   // Make changes to the duplicate asset
   using (Transaction t2 = new Transaction(material.Document, "Change blue carpet material"))
   {
      t2.Start();

      using (AppearanceAssetEditScope editScope = new AppearanceAssetEditScope(assetElem.Document))
      {
         Asset editableAsset = editScope.Start(duplicateAssetElementId);   // returns an editable copy of the appearance asset

         // Description
         AssetPropertyString descriptionProperty =
            editableAsset.FindByName("description") as AssetPropertyString;
         descriptionProperty.Value = "blue carpet";

         // Diffuse image
         AssetPropertyDoubleArray4d genericDiffuseProperty = editableAsset.FindByName("generic_diffuse") as AssetPropertyDoubleArray4d;

         genericDiffuseProperty.SetValueAsColor(new Color(0x00, 0x00, 0xFF));

         Asset connectedAsset = genericDiffuseProperty.GetSingleConnectedAsset();

         AssetPropertyString bitmapProperty = connectedAsset.FindByName("unifiedbitmap_Bitmap") as AssetPropertyString;

         bitmapProperty.Value = "Finishes.Flooring.Carpet.4.png";

         editScope.Commit(true);
      }

      t2.Commit();
   }
}