C # Get all the files in the directory or specify file type files (including all subfolders)

A method. Call directly
Returns a list of file details that can be obtained by obtaining a lot of file information. You can try.
Parameter path-folder extname-extensions can be multiple for example. mp3.wma.rm

public class FileGet
... {
Private list<fileinfo> LST = new list<fileinfo> ();
Public list<fileinfo> GetFile (string path, String extname)
... {
Getdir (path, extname);
return LST;
}
private void Getdir (string path, String extname)
... {
Try
... {
string[] dir = directory.getdirectories (path); Folder List
DirectoryInfo fdir = new DirectoryInfo (path);
fileinfo[] File = Fdir. GetFiles ();
fileinfo[] File = directory.getfiles (path); File list
if (file. Length!= 0 | | Dir. Length!= 0)//The current directory file or folder is not empty
... {
foreach (FileInfo f in file)//Show All files in current directory
... {
if (Extname.tolower (). IndexOf (F.extension.tolower ()) >= 0)
... {
Lst. ADD (f);
}
}
foreach (String d in dir)
... {
Getdir (d, extname);//recursion
}
}
}
Catch... { };
}
}