Ejemplo n.º 1
0
        /// <summary>
        /// Returns one or more rows from a table, beginning at the current cursor position.
        /// </summary>
        /// <param name="lRowCount">Maximum number of rows to be returned.</param>
        /// <param name="sRows">an SRow array holding the table rows.</param>
        /// <returns></returns>
        public bool QueryRows(int lRowCount, out SRow[] sRows)
        {
            IntPtr  pRowSet = IntPtr.Zero;
            HRESULT hr      = tb_.QueryRows(lRowCount, 0, out pRowSet);

            if (hr != HRESULT.S_OK)
            {
                MAPINative.MAPIFreeBuffer(pRowSet);
            }

            uint cRows = (uint)Marshal.ReadInt32(pRowSet);

            sRows = new SRow[cRows];

            if (cRows < 1)
            {
                MAPINative.MAPIFreeBuffer(pRowSet);
                return(false);
            }

            int    pIntSize = IntPtr.Size, intSize = Marshal.SizeOf(typeof(Int32));
            int    sizeOfSRow = 2 * intSize + pIntSize;
            IntPtr rows       = pRowSet + intSize;

            for (int i = 0; i < cRows; i++)
            {
                IntPtr pRowOffset = rows + i * sizeOfSRow;
                uint   cValues    = (uint)Marshal.ReadInt32(pRowOffset + pIntSize);
                IntPtr pProps     = Marshal.ReadIntPtr(pRowOffset + pIntSize + intSize);

                IPropValue[] lpProps = new IPropValue[cValues];
                for (int j = 0; j < cValues; j++) // each column
                {
                    SPropValue lpProp = (SPropValue)Marshal.PtrToStructure(pProps + j * Marshal.SizeOf(typeof(SPropValue)), typeof(SPropValue));
                    lpProps[j] = new MAPIProp(lpProp);
                }
                sRows[i].propVals = lpProps;
            }
            MAPINative.MAPIFreeBuffer(pRowSet);
            return(true);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Returns one or more rows from a table, beginning at the current cursor position.
        /// </summary>
        /// <param name="lRowCount">Maximum number of rows to be returned.</param>
        /// <param name="sRows">an SRow array holding the table rows.</param>
        /// <returns></returns>
        public bool QueryRows(int lRowCount, out SRow[] sRows)
        {
            IntPtr pRowSet = IntPtr.Zero;
            HRESULT hr = tb_.QueryRows(lRowCount, 0, out pRowSet);
            if (hr != HRESULT.S_OK)
            {
                MAPINative.MAPIFreeBuffer(pRowSet);
            }

            uint cRows = (uint)Marshal.ReadInt32(pRowSet);
            sRows = new SRow[cRows];

            if (cRows < 1)
            {
                MAPINative.MAPIFreeBuffer(pRowSet);
                return false;
            }

            int pIntSize = IntPtr.Size, intSize = Marshal.SizeOf(typeof(Int32));
            int sizeOfSRow = 2 * intSize + pIntSize;
            IntPtr rows = pRowSet + intSize;
            for (int i = 0; i < cRows; i++)
            {
                IntPtr pRowOffset = rows + i * sizeOfSRow;
                uint cValues = (uint)Marshal.ReadInt32(pRowOffset + pIntSize);
                IntPtr pProps = Marshal.ReadIntPtr(pRowOffset + pIntSize + intSize);

                IPropValue[] lpProps = new IPropValue[cValues];
                for (int j = 0; j < cValues; j++) // each column
                {
                    SPropValue lpProp = (SPropValue)Marshal.PtrToStructure(pProps + j * Marshal.SizeOf(typeof(SPropValue)), typeof(SPropValue));
                    lpProps[j] = new MAPIProp(lpProp);
                }
                sRows[i].propVals = lpProps;
            }
            MAPINative.MAPIFreeBuffer(pRowSet);
            return true;
        }