Beispiel #1
0
        public CoreResult[] GetResult(uint startFrom, uint size)
        {
            uint resultSize = GetResultSize();

            if (resultSize > startFrom)
            {
                object resultObject = new CoreDll.adResultW();
                int    sizeOfResult = Marshal.SizeOf(resultObject);
                byte[] buffer       = new byte[sizeOfResult * PAGE_SIZE];
                size = Math.Min(resultSize - startFrom, size);
                CoreResult[] results   = new CoreResult[size];
                uint         pageCount = (uint)(size / PAGE_SIZE + (size % PAGE_SIZE > 0 ? 1 : 0));
                for (uint page = 0; page < pageCount; ++page)
                {
                    UIntPtr[] pStartFrom = new UIntPtr[1];
                    pStartFrom[0] = new UIntPtr(startFrom + page * PAGE_SIZE);

                    UIntPtr[] pSize = new UIntPtr[1];
                    pSize[0] = new UIntPtr(PAGE_SIZE);

                    if (m_dll.adResultGetW(m_handle, Marshal.UnsafeAddrOfPinnedArrayElement(pStartFrom, 0),
                                           Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0),
                                           Marshal.UnsafeAddrOfPinnedArrayElement(pSize, 0)) == CoreDll.Error.Ok)
                    {
                        for (uint i = 0; i < pSize[0].ToUInt32(); ++i)
                        {
                            IntPtr            pResult = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, (int)(i * sizeOfResult));
                            CoreDll.adResultW result  = (CoreDll.adResultW)Marshal.PtrToStructure(pResult, resultObject.GetType());
                            results[page * PAGE_SIZE + i] = new CoreResult(ref result);
                        }
                    }
                }
                return(results);
            }
            return(null);
        }