IDreamObserver

///////////////////////////////////////////////////////////////////////////////////////////////////

// Interface IDreamObserver

[

 object,

 uuid(403837B3-648A-4EEB-ACDC-24209CEF3F31),

 local,

 helpstring("IDreamObserver - interface to calculation observer"),

 pointer_default(unique)

]

interface IDreamObserver : IUnknown

{

 [helpstring("Add new message to log")]

 HRESULT OnLogMessage([in] BSTR strLogMessage);

 [helpstring("Provides information about calculation error")]

 HRESULT OnError([in] IDreamErrorInfo* pErrorInfo);

 [helpstring("Progress evaluation step")]

 HRESULT SetCurrentStep([in] float iStep);

 [helpstring("Set convergence information")]

 HRESULT SetConvergenceInfo([in] float fInfo);

 [helpstring("Called after the calculation was terminated by user")]

 HRESULT OnCalculationTerminatedByUser();

 [helpstring("Called after finishing the calculation")]

 HRESULT OnCalculationFinished();

 [helpstring("Called before exporting output data")]

 HRESULT OnPreparingOutputData();

 [helpstring("Was the calculation terminated by user? Yes (S_OK) or not (S_FALSE)")]

 HRESULT CalculationTerminatedByUser();

};