Sets the default family type id for the given family category.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34)
Syntax
C#
public void SetDefaultFamilyTypeId( ElementId familyCategoryId, ElementId familyTypeId )
Parameters
- familyCategoryId ElementId
- The family category id.
- familyTypeId ElementId
- The default family type id.
Exceptions
Exception | Condition |
---|---|
ArgumentException | The family type id familyTypeId is invalid for the give family category familyCategoryId. -or- familyCategoryId is not a built in category or parameter Element ID. |
ArgumentNullException | A non-optional argument was null |
Example
C#
private void SetDefaultTypeFromDoor(Document document, FamilyInstance door) { ElementId doorCategoryId = new ElementId(BuiltInCategory.OST_Doors); // It is necessary to test the type suitability to be a default family type, for not every type can be set as default. // Trying to set a non-qualifying default type will cause an exception if (door.Symbol.IsValidDefaultFamilyType(doorCategoryId)) { document.SetDefaultFamilyTypeId(doorCategoryId, door.Symbol.Id); } }
VB
Private Sub SetDefaultTypeFromDoor(document As Document, door As FamilyInstance) Dim doorCategoryId As New ElementId(BuiltInCategory.OST_Doors) ' It is necessary to test the type suitability to be a default family type, for not every type can be set as default. ' Trying to set a non-qualifying default type will cause an exception If door.Symbol.IsValidDefaultFamilyType(doorCategoryId) Then document.SetDefaultFamilyTypeId(doorCategoryId, door.Symbol.Id) End If End Sub