The Visual Studio debugger (series)

　　Debugging is a very important part of the software development process, it is challenging, but there are certain methods and techniques.

　　Visual Studio debugger helps you look at program runtime behavior and identify problems. The debugger can be used for all Visual Studio programming languages ​​and their associated libraries. When using the debugger, you can interrupt the execution of the program to check the code, check and edit variables, view the register, see the instructions created from the source code, and see the memory space occupied by the application.

　　This series Visual Studio 2019 to demonstrate the methods and techniques for debugging. We are hoping to help you master these skills. They are very simple, but it can help you save a lot of time.

Debugging methods and techniques

 Visual Studio debugging Series 1 Debug and Release mode

 Visual Studio debugging Series 2 basic debugging method

 

The sample program

Subsequent to the following debugging program presentation described as an example.

  1 using System;
  2 using System.Collections.Generic;
  3 
  4 namespace Demo002_NF45_CS50
  5 {
  6     class Program
  7     {
  8         static void Main(string[] args)
  9         {
 10             var shapes = new List<Shape>
 11             {
 12                 new Triangle(4,3),
 13                 new Rectangle(7,4),
 14                 new Circle(),
 15 
 16             };
 17 
 18             foreach (var shape in shapes)
 19             {
 20                 shape.Width = 10;
 21                 shape.Draw();
 22 
 23                 int num1 = 2, num2 = 0;
 24                 num1 = num1 / num2;
 25 
 26                 Console.WriteLine();
 27             }
 28 
 29             Console.WriteLine ( " Press Exit to the any Key. " ); // kept open in debug mode console 
30              the Console.ReadKey ();
 31 is          }
 32      }
 33 is  
34 is      #region debugging example
 35  
36      ///  <Summary> 
37 [      ///   drawing classes (class-yl)
 38 is      ///  </ Summary> 
39      public  class the Shape
 40      {
 41 is          #region attribute
 42 is  
43 is          ///  <Summary> 
44 is          ///   X-axis coordinate
 45         /// </summary>
 46         public int X { get; private set; }
 47 
 48         /// <summary>
 49         ///  Y 轴坐标
 50         /// </summary>
 51         public int Y { get; private set; }
 52 
 53         /// <summary>
 54         ///  图形高度
 55         /// </summary>
 56         public int Height { get; set; }
 57 
58          ///  <Summary> 
59          ///   pattern width
 60          ///  </ Summary> 
61 is          public  int the Width { GET ; SET ;}
 62 is  
63 is          #endregion 
64  
65          // draw graphics (virtual method) 
66          public  Virtual  void the Draw ()
 67          {
 68              Console.WriteLine ( " performing base class drawing tasks " ); // perform drawing task group class 
69          }
 70      }
 71 is  
72     ///  <Summary> 
73 is      ///   circular
 74      ///  </ Summary> 
75      class Circle: the Shape
 76      {
 77          public  the override  void the Draw ()
 78          {
 79              Console.WriteLine ( " Drawing Circle A " ); // draw a circle 
80              Base .Draw ();
 81          }
 82      }
 83  
84      ///  <Summary> 
85      ///   rectangle
 86      ///  </ Summary>
 87     class Rectangle : Shape
 88     {
 89         public Rectangle()
 90         {
 91           
 92         }
 93 
 94         public Rectangle(int width, int height)
 95         {
 96             Width = width;
 97             Height = height;
 98         }
 99 
100         public override void Draw()
101         {
102             Console.WriteLine("A Rectangle Drawing " ); // draw a rectangle 
103              Base .Draw ();
 104          }
 105      }
 106  
107      ///  <Summary> 
108      ///   triangle
 109      ///  </ Summary> 
110      class Triangle: the Shape
 111      {
 112          public Triangle ()
 113          {
 114  
115          }
 1 16  
117          public Triangle ( int width, int height)
 1 18          {
 119             = The Width width;
 120              the Height = height;
 121          }
 122  
123          public  the override  void the Draw ()
 124          {
 125              Console.WriteLine ( " Drawing Trangle A " ); // draw a triangle 
126              Base .Draw ();
 127          }
 128      }
 129  
130.      #endregion 
131 is }

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