/// <summary>
/// 从制定索引处绑定数据
/// </summary>
/// <param name="readableStm">可读的字节流</param>
/// <param name="posBeginAt">开始位置</param>
/// <param name="isJustMapingBind">是否只绑定数据索引映射信息</param>
public override void BindStreamWithBeginIndex(Stream readableStm, long posBeginAt, bool isJustMapingBind)
{
MappingRange[0] = posBeginAt;
JustMapped = isJustMapingBind;
byte tByte = (byte)readableStm.ReadByte();
Type = (ImageType)tByte;
if (Type == ImageType.NULL)
{
BinaryDat = null;
}
else
{
BLV bData = new BLV(Context);
bData.BindStreamWithBeginIndex(readableStm, readableStm.Position, isJustMapingBind);
BinaryDat = bData;
}
MappingRange[1] = readableStm.Position - 1;
}
/// <summary>
/// Binds the mapping with stream.
/// </summary>
/// <param name="mapStm">The map STM.</param>
public override void BindMappingWithStream(Stream mapStm)
{
JustMapped = false;
SetCurrentPosition(mapStm);
mapStm.Position = MappingRange[0];
byte tByte = (byte)mapStm.ReadByte();
Type = (ImageType)tByte;
if (Type == ImageType.NULL)
{
BinaryDat = null;
}
else
{
BLV bData = new BLV(Context);
bData.BindMappingWithStream(mapStm);
BinaryDat = bData;
}
RestorePosition(mapStm);
}