public virtual long CopyTo(Stream stream)
{
long position1 = stream.Position;
stream.Write(BitConverter.GetBytes(this._index.Length), 0, 8);
stream.Seek(stream.Position + 8L, SeekOrigin.Begin);
long position2 = stream.Position;
long num1 = position2 + this._index.Length * 8L;
long pointer1 = 0;
using (BinaryWriter stream1 = new BinaryWriter((Stream) new LimitedStream(stream, position2)))
{
using (BinaryWriter stream2 = new BinaryWriter((Stream) new LimitedStream(stream, num1)))
{
for (int index1 = 0; (long)index1 < this._index.Length; ++index1)
{
stream2.SeekBegin(pointer1 * 4L);
long pointer2;
int size;
ShapesArray.ExtractPointerAndSize(this._index[(long)index1], out pointer2, out size);
if (size >= 0)
{
for (int index2 = 0; index2 < size; ++index2)
{
stream2.Write(this._coordinates[pointer2 + (long)(index2 * 2)]);
stream2.Write(this._coordinates[pointer2 + (long)(index2 * 2) + 1L]);
}
stream1.SeekBegin((long)(index1 * 8));
stream1.Write(ShapesArray.BuildPointerAndSize(pointer1, size));
pointer1 += (long)(size * 2);
}
}
}
}
stream.Seek(position1 + 8L, SeekOrigin.Begin);
stream.Write(BitConverter.GetBytes(pointer1), 0, 8);
long num2 = 16L + this._index.Length * 8L + pointer1 * 4L;
stream.Seek(position1 + num2, SeekOrigin.Begin);
return(num2);
}
private void SetPointerAndSize(long id, long pointer, int size)
{
this._index[id] = ShapesArray.BuildPointerAndSize(pointer, size);
}