C# (CSharp) Unsafe.AsIntPtr示例

示例#1

        public void Expand(int expandMinSize)
        {
            var limit = MaxSize;

            if (expandMinSize >= limit)
            {
                throw new OutOfMemoryException("HGlobal cache expand size exceeds limit.");
            }

            if (Capacity >= limit)
            {
                throw new OutOfMemoryException("HGlobal cache size exceeds limit.");
            }

            var size = Capacity * 2 + expandMinSize;

            if (gc.IsAllocated)
            {
                gc.Free();
            }

            Array.Resize(ref array, size);

            gc = GCHandle.Alloc(array, GCHandleType.Pinned);

            Address = Unsafe.AsIntPtr(ref array[0]);
        }