Windows窗体关闭后不关闭？

Question

我做了一个非常简单的程序，但是当我使用右上角的红色X关闭它时，仍然可以在进程下列出的Windows任务管理器中看到它。该程序仍在运行并消耗内存。我怎样才能避免这种情况？

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Windows.Forms; 
using Microsoft.Xna.Framework.Input; 
using Microsoft.Xna.Framework; 

namespace PS3Controller 
{ 
public partial class Form1 : Form 
{ 
    GamePadState pad; 

    Vector2 centroIzq = new Vector2(138, 132); 
    Vector2 centroDer = new Vector2(139, 252); 

    float distancia = 20f; 

    float ledIzqAngulo = 0; 
    float ledDerAngulo = 0; 

    float ledIzqVelocidad = 0.0022f; 
    float ledDerVelocidad = 0.0022f; 


    public Form1() 
    { 
     InitializeComponent(); 
    } 

    private void Form1_Load(object sender, EventArgs e) 
    { 

    } 

    private void timer1_Tick(object sender, EventArgs e) 
    { 
     pad = GamePad.GetState(Microsoft.Xna.Framework.PlayerIndex.One); 

     if (pad.Buttons.Y == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledTtriangulo.Visible = true; 
     else 
      ledTtriangulo.Visible = false; 

     if (pad.Buttons.X == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledCuadrado.Visible = true; 
     else 
      ledCuadrado.Visible = false; 

     if (pad.Buttons.A == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledX.Visible = true; 
     else 
      ledX.Visible = false; 

     if (pad.Buttons.B == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledCirculo.Visible = true; 
     else 
      ledCirculo.Visible = false; 

     if (pad.DPad.Left == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledIzq.Visible = true; 
     else 
      ledIzq.Visible = false; 

     if (pad.DPad.Right == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledDer.Visible = true; 
     else 
      ledDer.Visible = false; 

     if (pad.DPad.Up == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledArriba.Visible = true; 
     else 
      ledArriba.Visible = false; 

     if (pad.DPad.Down == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledAbajo.Visible = true; 
     else 
      ledAbajo.Visible = false; 

     if (pad.Buttons.Start == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledStart.Visible = true; 
     else 
      ledStart.Visible = false; 

     if (pad.Buttons.Back == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledSelect.Visible = true; 
     else 
      ledSelect.Visible = false; 

     if (pad.Buttons.LeftShoulder == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledL1.Visible = true; 
     else 
      ledL1.Visible = false; 

     if (pad.Buttons.RightShoulder == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledR1.Visible = true; 
     else 
      ledR1.Visible = false; 

     if (pad.Buttons.BigButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed) 
      ledHome.Visible = true; 
     else 
      ledHome.Visible = false; 

     if (pad.Triggers.Left > 0) 
      ledL2.Visible = true; 
     else 
      ledL2.Visible = false; 

     if (pad.Triggers.Right > 0) 
      ledR2.Visible = true; 
     else 
      ledR2.Visible = false; 

     lblIzqX.Text = pad.ThumbSticks.Left.X.ToString(); 
     lblIzqY.Text = pad.ThumbSticks.Left.Y.ToString(); 
     lblDerX.Text = pad.ThumbSticks.Right.X.ToString(); 
     lblDerY.Text = pad.ThumbSticks.Right.Y.ToString(); 


     Vector2 ledIzqPos = new Vector2(
      (float)Math.Cos(ledIzqAngulo) * distancia, 
      (float)Math.Sin(ledIzqAngulo) * distancia); 

     Vector2 ledDerPos = new Vector2(
      (float)Math.Cos(ledDerAngulo) * distancia, 
      (float)Math.Sin(ledDerAngulo) * distancia); 

     if (pad.ThumbSticks.Right.X == 0 && 
      pad.ThumbSticks.Right.Y == 0) 
     { 
      ledPadDer.Top = 139; 
      ledPadDer.Left = 252; 
     } 

     if (pad.ThumbSticks.Left.X == 0 && 
      pad.ThumbSticks.Left.Y == 0) 
     { 
      ledPadIzq.Top = 138; 
      ledPadIzq.Left = 132; 
     } 


    } 
} 

}

Answer 1

一定要关闭此进程的所有线程......有时，螺纹保持过程虽然形式被关闭，以保持执行...您可以在OnClosing方法做到这一点窗体......

Answer 2

你确定它的应用程序仍在运行吗？还是它是YourApp.vshost.exe？ vshost适用于Visual Studio，并且在打开项目时将始终运行。