IHostSyncManager::CreateAutoEvent Method

Creates an auto-reset event object.


HRESULT CreateAutoEvent (  
    [out] IHostAutoEvent **ppEvent  


[out] A pointer to the address of an IHostAutoEvent instance implemented by the host, or null if the event object could not be created.

Return Value

HRESULT Description
S_OK CreateAutoEvent returned successfully.
HOST_E_CLRNOTAVAILABLE The common language runtime (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. When a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE.
E_OUTOFMEMORY Not enough memory was available to create the requested event object.


CreateAutoEvent creates an auto-event object whose state is automatically changed to non-signaled after the waiting thread has been released. This method mirrors the Win32 CreateEvent function with a value of false specified for the bManualReset parameter


Platforms: See System Requirements.

Header: MSCorEE.h

Library: Included as a resource in MSCorEE.dll

.NET Framework Versions: Available since 2.0

See Also

ICLRSyncManager Interface
IHostAutoEvent Interface
IHostControl Interface
IHostSyncManager Interface