/// <summary>
/// 读取媒体文件缩略图
/// </summary>
/// <param name="mediaFileInfo"></param>
/// <param name="mediaType"></param>
/// <returns></returns>
private byte[] GetMediaFileThumbnail(MediaFileInfo mediaFileInfo)
{
try
{
using (Stream stream = mediaFileInfo.OpenThumbnail())
{
return(FileUtil.Stream2Bytes(stream));
}
}
catch (Exception) { }
return(null);
}