start

//

根据族实例FamilyInstance找到Family的方法：FamilyInstance.Symbol.Family

[Transaction(TransactionMode.Manual)]

[Regeneration(RegenerationOption.Manual)]

//

[Journaling(JournalingMode.NoCommandData)]

public

 

class

 cmdFamily : IExternalCommand

{

    

public

 Result Execute(ExternalCommandData cmdData, 

ref

 

string

 message, ElementSet elements)

    {

        UIDocument uiDoc 

=

 cmdData.Application.ActiveUIDocument;

        Selection selection 

=

 uiDoc.Selection;

        Transaction ts 

=

 

new

 Transaction(uiDoc.Document, 

"

FamilyName

"

);

        ts.Start();

        Reference refelem 

=

 selection.PickObject(ObjectType.Element, 

"

选择

"

);

        Element el 

=

 uiDoc.Document.get_Element(refelem.ElementId);

        FamilyInstance fi 

=

 el 

as

 FamilyInstance;

        TaskDialog.Show(

"

title

"

, fi.Symbol.Family.Name 

+

 

"

|

"

 

+

 fi.Name 

+

 

"

|

"

 

+

 fi.Category.Name);

        ts.Commit();

        

return

 Result.Succeeded;

    }

}

from: