I am wondering how can I return the list of my folders with the files inside.
Because I can't return both of the list...and can't put both types in the list.
public List<DirectoryInfo> GetTopFolders()
{
List<DirectoryInfo> Folders = new List<DirectoryInfo>();
List<FileInfo> Files = new List<FileInfo>();
System.IO.DirectoryInfo di = new System.IO.DirectoryInfo("C://inetpub//wwwroot//Files//");
di.GetDirectories();
System.IO.FileInfo[] fiArr = di.GetFiles();
foreach (DirectoryInfo t in di.GetDirectories())
{
Folders.Add(t);
foreach (FileInfo f in di.GetFiles())
{
Files.Add(f);
}
}
return Folders;
}
This is the code I am actually using.
Well, both FileInfo and DirectoryInfo inherit from FileSystemInfo . So you could maintain a list of that type instead and return the whole lot together:
public List<FileSystemInfo> GetTopFoldersAndFiles()
{
List<FileSystemInfo> FilesAndFolders = new List<FileSystemInfo>();
System.IO.DirectoryInfo di = new System.IO.DirectoryInfo("C://inetpub//wwwroot//Files//");
di.GetDirectories();
System.IO.FileInfo[] fiArr = di.GetFiles();
foreach (DirectoryInfo t in di.GetDirectories())
{
FilesAndFolders.Add(t);
foreach (FileInfo f in di.GetFiles())
{
FilesAndFolders.Add(f);
}
}
return FilesAndFolders;
}
Of course you might need some conditional handling in the code where you make use of this object based on each item's type.
You could use a two-tuple. See Tuple.Create on msdn
public Tuple<List<DirectoryInfo>,List<FileInfo>> GetTopFolders()
{
List<DirectoryInfo> Folders = new List<DirectoryInfo>();
List<FileInfo> Files = new List<FileInfo>();
/* All your other code here */
/* Removed for brevity*/
foreach (DirectoryInfo t in di.GetDirectories())
{
Folders.Add(t);
foreach (FileInfo f in di.GetFiles())
{
Files.Add(f);
}
}
return Tuple.Create(Folders, Files);
}
You use it like this:
var fileAndFolders = GetTopFolders()
fileAndFolders.Item1 //will be your folders of type List<DirectoryInfo>
fileAndFolders.Item2 //will be your folders of type List<FileInfo>
You can use a Dictionary<DirectoryInfo, List<FileInfo>>
:
private Dictionary<DirectoryInfo, List<FileInfo>> GetTopFolders()
{
Dictionary<DirectoryInfo, List<FileInfo>> r = new Dictionary<DirectoryInfo, List<FileInfo>>();
DirectoryInfo di = new DirectoryInfo("C://inetpub//wwwroot//Files//");
di.GetDirectories();
r.Add(di, di.GetFiles().ToList());
foreach (DirectoryInfo t in di.GetDirectories())
{
r.Add(t, t.GetFiles().ToList());
}
return r;
}
then you can list your folders and files like this:
StringBuilder sb = new StringBuilder();
foreach (KeyValuePair<DirectoryInfo, List<FileInfo>> item in GetTopFolders())
{
sb.AppendLine(item.Key.FullName);
foreach (FileInfo file in item.Value)
{
sb.AppendLine("\t" + file.Name);
}
}
Console.WriteLine(sb.ToString());
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