anchor.diff:      FCurBlockPos := 0;
       if FCurBlock = FLast then
       begin
  +<<<<<<< HEAD
  +      if Count > MPool.FBlockSize then//һ飬ҳ˿С
  +=======
         if Count > MPool.FBlockSize then //ѾһĴС
  +>>>>>>> parent of 9bf7227... Modify DxMemoryStream
           SetSize(FPosition + Count)
         else if FPosition + Count > FSize then
           FSize := FPosition + Count;
  
positive.code:       FCurBlockPos := 0;
        if FCurBlock = FLast then
        begin
          if FPosition + Len > FSize then
            FSize := FPosition + Len;
        end;
      end;
  
negative.code:       FCurBlockPos := 0;
        if FCurBlock = FLast then
        begin
  <<<<<<< HEAD
          if Count > MPool.FBlockSize then//һ飬ҳ˿С
  =======
          if Count > MPool.FBlockSize then //ѾһĴС
  >>>>>>> parent of 9bf7227... Modify DxMemoryStream
            SetSize(FPosition + Count)
          else if FPosition + Count > FSize then
            FSize := FPosition + Count;
  