Public Function OnGetNextProjection( _
    ByVal Time As IAgDate, _
    ByVal NextTime As IAgDate, _
    ByVal Context As IAgStkGraphicsPluginProjectionStreamContext _
) As Boolean

public bool OnGetNextProjection(
    IAgDate Time,
    IAgDate NextTime,
    IAgStkGraphicsPluginProjectionStreamContext Context
);

public: bool OnGetNextProjection(
    IAgDate ^ Time,
    IAgDate ^ NextTime,
    IAgStkGraphicsPluginProjectionStreamContext ^ Context
);

public: HRESULT OnGetNextProjection(
    IAgDate * Time,
    IAgDate * NextTime,
    IAgStkGraphicsPluginProjectionStreamContext * Context,
    VARIANT_BOOL * pRetVal
);

public bool onGetNextProjection(
    IAgDate Time,
    IAgDate NextTime,
    IAgStkGraphicsPluginProjectionStreamContext Context
);