[ComImport,
     InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
     Guid("f86ad89f-5fe4-4b8d-bb9f-ef3797a84f1f")
    ]
    public interface ITextStoreACP2
    {
        /// <summary>
        /// ITextStoreACP2::AdviseSink
        /// </summary>
        /// <param name="i_riid"></param>
        /// <param name="i_unknown"></param>
        /// <param name="i_mask"></param>
        void AdviseSink(
            [In] ref Guid i_riid,
            [In, MarshalAs(UnmanagedType.Interface)] object i_unknown,
            [In] AdviseFlags i_mask
        );
        /// <summary>
        /// ITextStoreACP2::UnadviseSink
        /// </summary>
        /// <param name="i_unknown"></param>
        void UnadviseSink(
            [In, MarshalAs(UnmanagedType.Interface)] object i_unknown
        );
        /// <summary>
        /// ITextStoreACP2::RequestLock
        /// </summary>
        /// <param name="i_lockFlags"></param>
        /// <param name="o_sessionResult"></param>
        void RequestLock(
            [In] LockFlags i_lockFlags,
            [Out, MarshalAs(UnmanagedType.Error)] out int o_sessionResult
        );
        /// <summary>
        /// ITextStoreACP2::GetStatus
        /// </summary>
        /// <param name="o_documentStatus"></param>
        void GetStatus(
            [Out] out TS_STATUS o_documentStatus
        );
        /// <summary>
        /// ITextStoreACP2::QueryInsert
        /// </summary>
        /// <param name="i_startIndex"></param>
        /// <param name="i_endIndex"></param>
        /// <param name="i_length"></param>
        /// <param name="o_startIndex"></param>
        /// <param name="o_endIndex"></param>
        void QueryInsert(
            [In] int i_startIndex,
            [In] int i_endIndex,
            [In] int i_length,
            [Out] out int o_startIndex,
            [Out] out int o_endIndex
        );
        /// <summary>
        /// ITextStoreACP2::GetSelection
        /// </summary>
        /// <param name="i_index"></param>
        /// <param name="i_selectionBufferLength"></param>
        /// <param name="o_selections"></param>
        /// <param name="o_fetchedLength"></param>
        void GetSelection(
            [In] int i_index,
            [In] int i_selectionBufferLength,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] TS_SELECTION_ACP[] o_selections,
            out int o_fetchedLength
        );
        /// <summary>
        /// ITextStoreACP2::SetSelection
        /// </summary>
        /// <param name="i_count"></param>
        /// <param name="i_selections"></param>
        void SetSelection(
            [In] int i_count,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] TS_SELECTION_ACP[] i_selections
        );
        /// <summary>
        /// ITextStoreACP2::GetText
        /// </summary>
        /// <param name="i_startIndex"></param>
        /// <param name="i_endIndex"></param>
        /// <param name="o_plainText"></param>
        /// <param name="i_plainTextLength"></param>
        /// <param name="o_plainTextLength"></param>
        /// <param name="o_runInfos"></param>
        /// <param name="i_runInfoLength"></param>
        /// <param name="o_runInfoLength"></param>
        /// <param name="o_nextUnreadCharPos"></param>
        void GetText(
            [In] int i_startIndex,
            [In] int i_endIndex,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] char[] o_plainText,
            [In] int i_plainTextLength,
            [Out] out int o_plainTextLength,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 6)] TS_RUNINFO[] o_runInfos,
            [In] int i_runInfoLength,
            [Out] out int o_runInfoLength,
            [Out] out int o_nextUnreadCharPos
        );
        /// <summary>
        /// ITextStoreACP2::SetText
        /// </summary>
        /// <param name="i_flags"></param>
        /// <param name="i_startIndex"></param>
        /// <param name="i_endIndex"></param>
        /// <param name="i_text"></param>
        /// <param name="i_length"></param>
        /// <param name="o_textChange"></param>
        void SetText(
            [In] SetTextFlags i_flags,
            [In] int i_startIndex,
            [In] int i_endIndex,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)] char[] i_text,
            [In] int i_length,
            [Out] out TS_TEXTCHANGE o_textChange
        );
        /// <summary>
        /// ITextStoreACP2::GetFormattedText
        /// </summary>
        /// <param name="i_start"></param>
        /// <param name="i_end"></param>
        /// <param name="o_obj"></param>
        void GetFormattedText(
            [In] int i_start,
            [In] int i_end,
            [Out, MarshalAs(UnmanagedType.Interface)] out object o_obj
        );
        /// <summary>
        /// ITextStoreACP2::GetEmbedded
        /// </summary>
        /// <param name="i_position"></param>
        /// <param name="i_guidService"></param>
        /// <param name="i_riid"></param>
        /// <param name="o_obj"></param>
        void GetEmbedded(
            [In] int i_position,
            [In] ref Guid i_guidService,
            [In] ref Guid i_riid,
            [Out, MarshalAs(UnmanagedType.Interface)] out object o_obj
        );
        /// <summary>
        /// ITextStoreACP2::QueryInsertEmbedded
        /// </summary>
        /// <param name="i_guidService"></param>
        /// <param name="i_formatEtc"></param>
        /// <param name="o_insertable"></param>
        void QueryInsertEmbedded(
            [In] ref Guid i_guidService,
            [In] int i_formatEtc,
            [Out, MarshalAs(UnmanagedType.Bool)] out bool o_insertable
        );
        /// <summary>
        /// ITextStoreACP2::InsertEmbedded
        /// </summary>
        /// <param name="i_flags"></param>
        /// <param name="i_start"></param>
        /// <param name="i_end"></param>
        /// <param name="i_obj"></param>
        /// <param name="o_textChange"></param>
        void InsertEmbedded(
            [In] InsertEmbeddedFlags i_flags,
            [In] int i_start,
            [In] int i_end,
            [In, MarshalAs(UnmanagedType.Interface)] object i_obj,
            [Out] out TS_TEXTCHANGE o_textChange
        );
        /// <summary>
        /// ITextStoreACP2::InsertTextAtSelection
        /// </summary>
        /// <param name="i_flags"></param>
        /// <param name="i_text"></param>
        /// <param name="i_length"></param>
        /// <param name="o_startIndex"></param>
        /// <param name="o_endIndex"></param>
        /// <param name="o_textChange"></param>
        void InsertTextAtSelection(
            [In] InsertAtSelectionFlags i_flags,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] char[] i_text,
            [In] int i_length,
            [Out] out int o_startIndex,
            [Out] out int o_endIndex,
            [Out] out TS_TEXTCHANGE o_textChange
        );
        /// <summary>
        /// ITextStoreACP2::InsertEmbeddedAtSelection
        /// </summary>
        /// <param name="flags"></param>
        /// <param name="obj"></param>
        /// <param name="start"></param>
        /// <param name="end"></param>
        /// <param name="change"></param>
        void InsertEmbeddedAtSelection(
            InsertAtSelectionFlags flags,
            [MarshalAs(UnmanagedType.Interface)] object obj,
            out int start,
            out int end,
            out TS_TEXTCHANGE change
        );
        /// <summary>
        /// ITextStoreACP2::RequestSupportedAttrs
        /// </summary>
        /// <param name="i_flags"></param>
        /// <param name="i_length"></param>
        /// <param name="i_filterAttributes"></param>
        void RequestSupportedAttrs(
            [In] AttributeFlags i_flags,
            [In] int i_length,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] Guid[] i_filterAttributes
        );
        /// <summary>
        /// ITextStoreACP2::RequestAttrsAtPosition
        /// </summary>
        /// <param name="i_position"></param>
        /// <param name="i_length"></param>
        /// <param name="i_filterAttributes"></param>
        /// <param name="i_flags"></param>
        void RequestAttrsAtPosition(
            [In] int i_position,
            [In] int i_length,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] Guid[] i_filterAttributes,
            [In] AttributeFlags i_flags
        );
        /// <summary>
        /// ITextStoreACP2::RequestAttrsTransitioningAtPosition
        /// </summary>
        /// <param name="i_position"></param>
        /// <param name="i_length"></param>
        /// <param name="i_filterAttributes"></param>
        /// <param name="i_flags"></param>
        void RequestAttrsTransitioningAtPosition(
            [In] int i_position,
            [In] int i_length,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] Guid[] i_filterAttributes,
            [In] AttributeFlags i_flags
        );
        /// <summary>
        /// ITextStoreACP2::FindNextAttrTransition
        /// </summary>
        /// <param name="i_start"></param>
        /// <param name="i_halt"></param>
        /// <param name="i_length"></param>
        /// <param name="i_filterAttributes"></param>
        /// <param name="i_flags"></param>
        /// <param name="o_nextIndex"></param>
        /// <param name="o_found"></param>
        /// <param name="o_foundOffset"></param>
        void FindNextAttrTransition(
            [In] int i_start,
            [In] int i_halt,
            [In] int i_length,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] Guid[] i_filterAttributes,
            [In] AttributeFlags i_flags,
            [Out] out int o_nextIndex,
            [Out, MarshalAs(UnmanagedType.Bool)] out bool o_found,
            [Out] out int o_foundOffset
        );
        /// <summary>
        /// ITextStoreACP2::RetrieveRequestedAttrs
        /// </summary>
        /// <param name="i_length"></param>
        /// <param name="o_attributeVals"></param>
        /// <param name="o_fetchedLength"></param>
        void RetrieveRequestedAttrs(
            [In] int i_length,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] TS_ATTRVAL[] o_attributeVals,
            [Out] out int o_fetchedLength
        );
        /// <summary>
        /// ITextStoreACP2::GetEndACP
        /// </summary>
        /// <param name="o_length"></param>
        void GetEndACP(
            [Out] out int o_length
        );
        /// <summary>
        /// ITextStoreACP2::GetActiveView
        /// </summary>
        /// <param name="o_viewCookie"></param>
        void GetActiveView(
            [Out] out int o_viewCookie
        );
        /// <summary>
        /// ITextStoreACP2::GetACPFromPoint
        /// </summary>
        /// <param name="i_viewCookie"></param>
        /// <param name="i_point"></param>
        /// <param name="i_flags"></param>
        /// <param name="o_index"></param>
        void GetACPFromPoint(
            [In] int i_viewCookie,
            [In] ref POINT i_point,
            [In] GetPositionFromPointFlags i_flags,
            [Out] out int o_index
        );
        /// <summary>
        /// ITextStoreACP2::GetTextExt
        /// </summary>
        /// <param name="i_viewCookie"></param>
        /// <param name="i_startIndex"></param>
        /// <param name="i_endIndex"></param>
        /// <param name="o_rect"></param>
        /// <param name="o_isClipped"></param>
        void GetTextExt(
            [In] int i_viewCookie,
            [In] int i_startIndex,
            [In] int i_endIndex,
            [Out] out RECT o_rect,
            [MarshalAs(UnmanagedType.Bool)] out bool o_isClipped
        );
        /// <summary>
        /// ITextStoreACP2::GetScreenExt
        /// </summary>
        /// <param name="i_viewCookie"></param>
        /// <param name="o_rect"></param>
        void GetScreenExt(
            [In] int i_viewCookie,
            [Out] out RECT o_rect
        );
    }