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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.Linq;
  7. using System.Text;
  8. using System.Windows.Forms;
  9.  
  10. namespace WindowsFormsApplication1
  11. {
  12.     public partial class Form1 : Form
  13.     {
  14.         int x = 0;
  15.  
  16.         public Form1()
  17.         {
  18.             InitializeComponent();
  19.         }
  20.  
  21.         private void Form1_Load(object sender, EventArgs e)
  22.         {
  23.             //ダブルバッファリング
  24.             this.SetStyle(ControlStyles.DoubleBuffer, true);
  25.             this.SetStyle(ControlStyles.UserPaint, true);
  26.             this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
  27.         }
  28.  
  29.         protected override void OnPaint(PaintEventArgs e)
  30.         {
  31.             base.OnPaint(e);
  32.  
  33.             //四角形描画
  34.             e.Graphics.FillRectangle(Brushes.Red, x, 50, 100, 100);
  35.  
  36.         }
  37.  
  38.         private void Form1_Shown(object sender, EventArgs e)
  39.         {
  40.             //ゲームループ
  41.             double nextframe = (double)System.Environment.TickCount;
  42.             float wait = 1000f / 60f;
  43.             while (this.Created)
  44.             {
  45.  
  46.                 if ((double)System.Environment.TickCount >= nextframe)
  47.                 {
  48.  
  49.                     //計算処理
  50.                     x++;
  51.  
  52.                     if ((double)System.Environment.TickCount < nextframe + wait)
  53.                     {
  54.                         //描画処理
  55.                         this.Invalidate();
  56.                     }
  57.  
  58.                     nextframe += wait;
  59.                 }
  60.  
  61.                 Application.DoEvents();
  62.             }
  63.         }
  64.     }
  65. }
  66.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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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(5,14): error CS0234: The type or namespace name `Drawing' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(8,14): 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
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Standard output is empty
https://ideone.com/VXifR
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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