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  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.IO;
  7. using System.Linq;
  8. using System.Text;
  9. using System.Threading.Tasks;
  10. using System.Windows.Forms;
  11.  
  12. namespace WindowsFormsApplication1
  13. {
  14.     public partial class Form1 : Form
  15.     {
  16.         public Form1()
  17.         {
  18.             InitializeComponent();
  19.         }
  20.  
  21.         private void button1_Click(object sender, EventArgs e)
  22.         {
  23.             FolderBrowserDialog dlg = new FolderBrowserDialog();
  24.             if (dlg.ShowDialog() != DialogResult.OK)
  25.             {
  26.                 return;
  27.             }
  28.  
  29.             textBox1.Text = dlg.SelectedPath;
  30.             listBox1.Items.Clear();
  31.             Stack<Tuple<string, int>> stack = new Stack<Tuple<string, int>>();
  32.             stack.Push(new Tuple<string, int>(dlg.SelectedPath, 0));
  33.  
  34.             while (stack.Count > 0)
  35.             {
  36.                 var temp = stack.Pop();
  37.                 var dir = temp.Item1;
  38.                 var rank = temp.Item2;
  39.  
  40.                 listBox1.Items.Add(
  41.                     new String(' ', rank * 2) +
  42.                     Path.GetFileName(dir) + "[フォルダ]");
  43.  
  44.                 var subfs = Directory.GetFiles(dir, "*");
  45.                 foreach (var f in subfs)
  46.                 {
  47.                     listBox1.Items.Add(
  48.                         new String(' ', (rank + 1) * 2) +
  49.                         Path.GetFileName(f) + "[ファイル]");
  50.                 }
  51.                 if (subfs.Length > 0)
  52.                 {
  53.                     listBox1.Items.Add("");
  54.                 }
  55.  
  56.                 var subds = Directory.GetDirectories(dir, "*");
  57.                 foreach (var d in subds)
  58.                 {
  59.                     stack.Push(new Tuple<string, int>(d, rank + 1));
  60.                 }
  61.             }
  62.         }
  63.     }
  64. }
  65.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cs(4,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(9,24): error CS0234: The type or namespace name `Tasks' does not exist in the namespace `System.Threading'. Are you missing an assembly reference?
prog.cs(10,14): error CS0234: The type or namespace name `Windows' does not exist in the namespace `System'. Are you missing an assembly reference?
Compilation failed: 3 error(s), 0 warnings
stdout 
Standard output is empty
https://ideone.com/DLGPoL
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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