C# 获取媒体文件播放时长

引用：

Interop.Shell32.dll

方法：

 1 /// <summary> 
 2         /// 获取媒体文件播放时长 
 3         /// </summary> 
 4         /// <param name="path">媒体文件路径</param> 
 5         /// <returns></returns> 
 6         public static string GetMediaTimeLen(string path)
 7         {
 8             try
 9             {
10                 Shell32.Shell shell = new Shell32.Shell();
11 
12                 //文件路径
13 
14                 Shell32.Folder folder = shell.NameSpace(path.Substring(0, path.LastIndexOf("\")));
15 
16                 //文件名称
17 
18                 Shell32.FolderItem folderitem = folder.ParseName(path.Substring(path.LastIndexOf("\") + 1));
19 
20                 if (Environment.OSVersion.Version.Major >= 6)
21                 {
22 
23                     return folder.GetDetailsOf(folderitem, 27);
24 
25                 }
26 
27                 else
28                 {
29 
30                     return folder.GetDetailsOf(folderitem, 21);
31 
32                 }
33             }
34             catch (Exception ex)
35             {
36                 return null;
37             }
38         }

View Code

调用：

1 string itemtimelen = GetMediaTimeLen(path);
2 DateTime t1 = DateTime.Parse(itemtimelen);

View Code