C#擷取視頻檔案播放長度

添加引用SHELL32.DLL

根據網上代碼改編

    public static class GetVideoLength    {        public static string GetMediaTimeLen(string path)        {            try            {                Shell32.Shell shell = new Shell32.Shell();                //檔案路徑                               Shell32.Folder folder = shell.NameSpace(path.Substring(0, path.LastIndexOf("\\")));                //檔案名稱                             Shell32.FolderItem folderitem = folder.ParseName(path.Substring(path.LastIndexOf("\\") + 2));                if (Environment.OSVersion.Version.Major >= 6)                {                     return folder.GetDetailsOf(folderitem, 27);                }                else                 {                     return folder.GetDetailsOf(folderitem, 21);                }            }            catch (Exception ex) { return null; }        }        public static int GetMediaTimeLenSecond(string path)        {            try            {                Shell32.Shell shell = new Shell32.Shell();                //檔案路徑                               Shell32.Folder folder = shell.NameSpace(path.Substring(0, path.LastIndexOf("\\")));                //檔案名稱                             Shell32.FolderItem folderitem = folder.ParseName(path.Substring(path.LastIndexOf("\\") + 2));                string len;                if (Environment.OSVersion.Version.Major >= 6)                {                    len =  folder.GetDetailsOf(folderitem, 27);                }                else                {                    len = folder.GetDetailsOf(folderitem, 21);                                    }                string[] str = len.Split(new char[] { ':' });                int sum = 0;                sum = int.Parse(str[0]) * 60 * 60 + int.Parse(str[1]) * 60 + int.Parse(str[2]);                return sum;            }            catch (Exception ex) { return 0; }        }    }