[C#]
    void GetMessageList(ref TSBPOP3MessageSize[] List);
    TSBPOP3MessageSize[] GetMessageList();

[VB.NET]
    Sub GetMessageList(ByRef List As TSBPOP3MessageSize[])
    Function GetMessageList() As TSBPOP3MessageSize[]

[Pascal]
    under development

[C++]
    void GetMessageList(std::vector<TSBPOP3MessageSize> &OutResult);

[PHP]
    not available

[Java]
    void getMessageList(TElPOP3MessageListRef List);
    TSBPOP3MessageSize[] getMessageList();