COM not initialised

CoInitialize or CoInitializeEx has not been called on the current thread. COM must be initialised before any COM functions or interface methods can be used on a given thread.

References

learn.microsoft.com/en-us/windows/win32/com/error-handling-in-com

In this namespace

← previous CO_E_CREATEPROCESSFAILED Create process failed next → D2DERR_INVALID_CALL Direct2D invalid call

CLASS_E_CLASSNOTAVAILABLE CLASS_E_NOAGGREGATION CO_E_ALREADYINITIALIZED CO_E_CREATEPROCESSFAILED CO_E_NOTINITIALIZED D2DERR_INVALID_CALL D2DERR_NOT_INITIALIZED D2DERR_RECREATE_TARGET D2DERR_WRONG_STATE DXGI_ERROR_ACCESS_DENIED