2 references to ApartmentState
PresentationFramework (2)
src\Framework\System\Windows\Interop\ActiveXHost.cs (1)
113if (Thread.CurrentThread.ApartmentState != ApartmentState.STA)
src\Framework\System\Windows\Interop\DocobjHost.cs (1)
85Debug.Assert(_mainThread.ApartmentState == ApartmentState.STA);