/// <summary>
/// 添加区域头部
/// </summary>
private void AppendDataRegionHeader()
{
byte[] bval;
int totalLen;
//更新上个DataRegion 的Next DataRegion Pointer 指针
if (mPreDataRegion >= 0)
{
mFileWriter.Write(mCurrentDataRegion, mPreDataRegion + 8);
}
bval = GeneratorDataRegionHeader(out totalLen);
mFileWriter.Append(bval, 0, bval.Length);
mFileWriter.AppendZore(totalLen - bval.Length);
mPreDataRegion = mCurrentDataRegion;
mBlockPointOffset = mCurrentDataRegion + mBlockPointOffset;
}
