ICLRRuntimeHost::UnloadAppDomain Method

Unloads the managed AppDomain that corresponds to the specified numeric identifier.


HRESULT UnloadAppDomain(  
    [in] DWORD dwAppDomainId  
    [in] BOOL  fWaitUntilDone  


[in] The numeric identifier of the application domain to unload.

[in] true to indicate that the common language runtime( CLR) must wait until it has finished executing the application's current thread before attempting to unload the application domain.

Return Value

HRESULT Description
S_OK UnloadAppDomain returned successfully.
HOST_E_CLRNOTAVAILABLE The CLR has not been loaded into a process, or the CLR is in a state in which it cannot run managed code or process the call successfully.
HOST_E_TIMEOUT The call timed out.
HOST_E_NOT_OWNER The caller does not own the lock.
HOST_E_ABANDONED An event was canceled while a blocked thread or fiber was waiting on it.
E_FAIL An unknown catastrophic failure occurred. If a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE.


You can get the numeric identifier of the application domain in which the current thread is executing by calling GetCurrentAppDomainId. This identifier corresponds to the Id property of the managed AppDomain type.


Platforms: See System Requirements.

Header: MSCorEE.h

Library: Included as a resource in MSCorEE.dll

.NET Framework Versions: Available since 2.0

See also