AssetPropertyAddCopyAsConnectedAsset Method

public void CopyAndAddConnectedAsset(Material sourceMaterial, Material targetMaterial)
{
   Document doc = targetMaterial.Document;

   // Get the appearance asset of the source material

   ElementId otherAppearanceAssetId = sourceMaterial.AppearanceAssetId;

   AppearanceAssetElement otherAssetElem = doc.GetElement(otherAppearanceAssetId) as AppearanceAssetElement;

   Asset otherAsset = otherAssetElem.GetRenderingAsset();

   // Get the connected asset of the source material appearance asset (that contains the bitmap)

   AssetProperty otherGenericDiffuseProperty = otherAsset.FindByName(Generic.GenericDiffuse);

   Asset otherGenericDiffuseConnectedAsset = otherGenericDiffuseProperty.GetSingleConnectedAsset();

   using (Transaction t = new Transaction(doc, "Change a connected asset by a copy"))
   {
      t.Start();

      using (AppearanceAssetEditScope editScope = new AppearanceAssetEditScope(doc))
      {
         ElementId appearanceAssetId = targetMaterial.AppearanceAssetId;

         Asset editableAsset = editScope.Start(appearanceAssetId);   // returns an editable copy of the appearance asset                   

         AssetProperty genericDiffuseProperty = editableAsset.FindByName(Generic.GenericDiffuse);

         // Find the connected asset (with a shortcut to get the only one)

         Asset genericDiffuseConnectedAsset = genericDiffuseProperty.GetSingleConnectedAsset();

         if (genericDiffuseConnectedAsset == null)
         {
            // Target material has only a color for �GenericDiffuse�
            // This will assign a bitmap to it instead
            // by making a copy of the asset and use it as connected asset
            genericDiffuseProperty.AddCopyAsConnectedAsset(otherGenericDiffuseConnectedAsset);
         }       

         editScope.Commit(true);
      }

      t.Commit();
   }
}

Public Sub CopyAndAddConnectedAsset(sourceMaterial As Material, targetMaterial As Material)
    Dim doc As Document = targetMaterial.Document

    ' Get the appearance asset of the source material

    Dim otherAppearanceAssetId As ElementId = sourceMaterial.AppearanceAssetId

    Dim otherAssetElem As AppearanceAssetElement = TryCast(doc.GetElement(otherAppearanceAssetId), AppearanceAssetElement)

    Dim otherAsset As Asset = otherAssetElem.GetRenderingAsset()

 ' Get the connected asset of the source material appearance asset (that contains the bitmap)

 Dim otherGenericDiffuseProperty As AssetProperty = otherAsset.FindByName(Generic.GenericDiffuse)

 Dim otherGenericDiffuseConnectedAsset As Asset = otherGenericDiffuseProperty.GetSingleConnectedAsset()

    Using t As New Transaction(doc, "Change a connected asset by a copy")
        t.Start()

        Using editScope As New AppearanceAssetEditScope(doc)
            Dim appearanceAssetId As ElementId = targetMaterial.AppearanceAssetId

            Dim editableAsset As Asset = editScope.Start(appearanceAssetId)
       ' returns an editable copy of the appearance asset                   
       Dim genericDiffuseProperty As AssetProperty = editableAsset.FindByName(Generic.GenericDiffuse)

       ' Find the connected asset (with a shortcut to get the only one)

       Dim genericDiffuseConnectedAsset As Asset = genericDiffuseProperty.GetSingleConnectedAsset()

            If genericDiffuseConnectedAsset Is Nothing Then
                ' Target material has only a color for “GenericDiffuse”
                ' This will assign a bitmap to it instead
                ' by making a copy of the asset and use it as connected asset
                genericDiffuseProperty.AddCopyAsConnectedAsset(otherGenericDiffuseConnectedAsset)
            End If

            editScope.Commit(True)
        End Using

        t.Commit()
    End Using
End Sub

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.