c#如何读取相机手机的拍摄时间

/// 获中的照片拍摄日期

/// </summary>

/// <param name="fileName">文件名</param>

/// <returns>拍摄日期</returns>

private string GetTakePicDate(string fileName)

{

    Encoding ascii = Encoding.ASCII;

    string picDate;

    FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read);

    Image image = Image.FromStream(stream, true, false);

    foreach (PropertyItem p in image.PropertyItems)

    {

        //获取拍摄日期时间

        if (p.Id == 0x9003) // 0x0132 最后更新时间

        {

            stream.Close();

            picDate =  ascii.GetString(p.Value);

            if ((!"".Equals(picDate)) && picDate.Length >= 10)

            {

                // 拍摄日期

                picDate = picDate.Substring(0, 10);

                picDate = picDate.Replace(":","-");

                return picDate;

            }

        }

    }

    stream.Close();

    return "";

}