/// <summary>
/// 异步将 Stream 的内容缓存到 HGlobalCache 中。
/// </summary>
/// <param name="hGCache">HGlobalCache</param>
/// <param name="stream">Stream</param>
/// <param name="encoding">编码</param>
/// <returns>返回缓冲的长度</returns>
public static async Task ReadFromAsync(this HGlobalCache <char> hGCache, Stream stream, Encoding encoding)
{
await hGCache.ReadFromAsync(new StreamReader(stream, encoding));
}
