add project file and make it compile

Author: gewarren

snippets/csharp/System/EventArgs/Overview/Project.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

snippets/csharp/System/EventArgs/Overview/program.cs

@@ -0,0 +1 @@
+ConsoleApplication1.Program1.Main();

snippets/csharp/System/EventArgs/Overview/programnodata.cs

@@ -3,11 +3,11 @@
 
 namespace ConsoleApplication1
 {
-    class Program
+    public class Program1
     {
-        static void Main(string[] args)
+        public static void Main()
         {
-            Counter c = new Counter(new Random().Next(10));
+            Counter c = new(new Random().Next(10));
             c.ThresholdReached += c_ThresholdReached;
 
             Console.WriteLine("press 'a' key to increase total");
@@ -27,18 +27,18 @@ static void c_ThresholdReached(object sender, EventArgs e)
 
     class Counter
     {
-        private int threshold;
-        private int total;
+        private readonly int _threshold;
+        private int _total;
 
         public Counter(int passedThreshold)
         {
-            threshold = passedThreshold;
+            _threshold = passedThreshold;
         }
 
         public void Add(int x)
         {
-            total += x;
-            if (total >= threshold)
+            _total += x;
+            if (_total >= _threshold)
             {
                 OnThresholdReached(EventArgs.Empty);
             }

snippets/csharp/System/EventArgs/Overview/programtruncated.cs

@@ -1,11 +1,11 @@
 using System;
 
-namespace ConsoleApplication1
+namespace ConsoleApplication2
 {
     // <snippet2>
-    class Program
+    public class Program2
     {
-        static void Main()
+        public static void Main()
         {
             var c = new Counter();
             c.ThresholdReached += c_ThresholdReached;

snippets/csharp/System/EventArgs/Overview/programwithdata.cs

@@ -1,13 +1,13 @@
 // <snippet6>
 using System;
 
-namespace ConsoleApplication1
+namespace ConsoleApplication3
 {
-    class Program
+    public class Program3
     {
-        static void Main(string[] args)
+        public static void Main(string[] args)
         {
-            Counter c = new Counter(new Random().Next(10));
+            Counter c = new(new Random().Next(10));
             c.ThresholdReached += c_ThresholdReached;
 
             Console.WriteLine("press 'a' key to increase total");
@@ -27,21 +27,21 @@ static void c_ThresholdReached(object? sender, ThresholdReachedEventArgs e)
 
     class Counter
     {
-        private int threshold;
-        private int total;
+        private readonly int _threshold;
+        private int _total;
 
         public Counter(int passedThreshold)
         {
-            threshold = passedThreshold;
+            _threshold = passedThreshold;
         }
 
         public void Add(int x)
         {
-            total += x;
-            if (total >= threshold)
+            _total += x;
+            if (_total >= _threshold)
             {
                 ThresholdReachedEventArgs args = new ThresholdReachedEventArgs();
-                args.Threshold = threshold;
+                args.Threshold = _threshold;
                 args.TimeReached = DateTime.Now;
                 OnThresholdReached(args);
             }

snippets/csharp/System/EventArgs/Overview/programwithdelegate.cs

@@ -1,13 +1,13 @@
 // <snippet7>
 using System;
 
-namespace ConsoleApplication1
+namespace ConsoleApplication4
 {
-    class Program
+    class Program4
     {
-        static void Main(string[] args)
+        public static void Main(string[] args)
         {
-            Counter c = new Counter(new Random().Next(10));
+            Counter c = new(new Random().Next(10));
             c.ThresholdReached += c_ThresholdReached;
 
             Console.WriteLine("press 'a' key to increase total");
@@ -18,7 +18,7 @@ static void Main(string[] args)
             }
         }
 
-        static void c_ThresholdReached(Object sender, ThresholdReachedEventArgs e)
+        public static void c_ThresholdReached(object sender, ThresholdReachedEventArgs e)
         {
             Console.WriteLine("The threshold of {0} was reached at {1}.", e.Threshold, e.TimeReached);
             Environment.Exit(0);
@@ -27,21 +27,21 @@ static void c_ThresholdReached(Object sender, ThresholdReachedEventArgs e)
 
     class Counter
     {
-        private int threshold;
-        private int total;
+        private readonly int _threshold;
+        private int _total;
 
         public Counter(int passedThreshold)
         {
-            threshold = passedThreshold;
+            _threshold = passedThreshold;
         }
 
         public void Add(int x)
         {
-            total += x;
-            if (total >= threshold)
+            _total += x;
+            if (_total >= _threshold)
             {
                 ThresholdReachedEventArgs args = new ThresholdReachedEventArgs();
-                args.Threshold = threshold;
+                args.Threshold = _threshold;
                 args.TimeReached = DateTime.Now;
                 OnThresholdReached(args);
             }