linq 对象转换

public class IMGInfo
 {
  public DateTime Time;
  public byte Channel;
  public int Size;
 }

public class IMGIndex

 {

        public DateTime Time;
        public byte channel;
        public long start;
        public int len;

}

IMGIndex[] result=new IMGIndex[10]；

IMGIndex 2 IMGInfo：

var res = (from n in result select new IMGInfo { Channel = n.channel, Size = n.len, Time = n.Time }).ToArray();