Windows窗體關閉後不關閉？

Question

我做了一個非常簡單的程序，但是當我使用右上角的紅色X關閉它時，仍然可以在進程下列出的Windows任務管理器中看到它。該程序仍在運行並消耗內存。我怎樣才能避免這種情況？

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

一定要關閉此進程的所有線程......有時，螺紋保持過程雖然形式被關閉，以保持執行...您可以在OnClosing方法做到這一點窗體......

Answer 2

你確定它的應用程序仍在運行嗎？還是它是YourApp.vshost.exe？ vshost適用於Visual Studio，並且在打開項目時將始終運行。