Add code solutions for Ch1-6

code/Chapter01-vscode/AboutMyEnvironment/AboutMyEnvironment.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

code/Chapter01-vscode/AboutMyEnvironment/Program.cs

@@ -0,0 +1,12 @@
+namespace AboutMyEnvironment;
+
+class Program
+{
+  static void Main(string[] args)
+  {
+    Console.WriteLine(Environment.CurrentDirectory);
+    Console.WriteLine(Environment.OSVersion.VersionString);
+    Console.WriteLine("Namespace: {0}",
+      typeof(Program).Namespace ?? "<null>");
+  }
+}

code/Chapter01-vscode/Chapter01.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HelloCS", "HelloCS\HelloCS.csproj", "{DE03EF41-5093-4F2C-8ACA-C36AB29C1FDC}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AboutMyEnvironment", "AboutMyEnvironment\AboutMyEnvironment.csproj", "{24FAC3DD-5110-4837-93BC-5FDF433876F7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DE03EF41-5093-4F2C-8ACA-C36AB29C1FDC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DE03EF41-5093-4F2C-8ACA-C36AB29C1FDC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DE03EF41-5093-4F2C-8ACA-C36AB29C1FDC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DE03EF41-5093-4F2C-8ACA-C36AB29C1FDC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{24FAC3DD-5110-4837-93BC-5FDF433876F7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{24FAC3DD-5110-4837-93BC-5FDF433876F7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{24FAC3DD-5110-4837-93BC-5FDF433876F7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{24FAC3DD-5110-4837-93BC-5FDF433876F7}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

code/Chapter01-vscode/HelloCS/HelloCS.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

code/Chapter01-vscode/HelloCS/Program.cs

@@ -0,0 +1,7 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, C#!");
+
+string name = typeof(Program).Namespace ?? "<null>";
+Console.WriteLine($"Namespace: {name}");
+
+throw new Exception();

code/Chapter01/AboutMyEnvironment/AboutMyEnvironment.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

code/Chapter01/AboutMyEnvironment/Program.cs

@@ -0,0 +1,13 @@
+namespace AboutMyEnvironment
+{
+  internal class Program
+  {
+    static void Main(string[] args)
+    {
+      Console.WriteLine(Environment.CurrentDirectory);
+      Console.WriteLine(Environment.OSVersion.VersionString);
+      Console.WriteLine("Namespace: {0}", 
+        typeof(Program).Namespace ?? "<null>");
+    }
+  }
+}

code/Chapter01/Chapter01.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HelloCS", "HelloCS\HelloCS.csproj", "{315C4F55-36D1-458C-8C74-BCD780D4FE2D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AboutMyEnvironment", "AboutMyEnvironment\AboutMyEnvironment.csproj", "{9BED26C1-27AB-4DA4-A6D9-43533AC08258}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{315C4F55-36D1-458C-8C74-BCD780D4FE2D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{315C4F55-36D1-458C-8C74-BCD780D4FE2D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{315C4F55-36D1-458C-8C74-BCD780D4FE2D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{315C4F55-36D1-458C-8C74-BCD780D4FE2D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9BED26C1-27AB-4DA4-A6D9-43533AC08258}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9BED26C1-27AB-4DA4-A6D9-43533AC08258}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9BED26C1-27AB-4DA4-A6D9-43533AC08258}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9BED26C1-27AB-4DA4-A6D9-43533AC08258}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

code/Chapter01/HelloCS/HelloCS.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

code/Chapter01/HelloCS/Program.cs

@@ -0,0 +1,8 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, C#!");
+
+string name = typeof(Program).Namespace ?? "<null>";
+Console.WriteLine($"Namespace: {name}");
+
+throw new Exception();
+int z;

code/Chapter02/Arguments/Arguments.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Using Include="System.Console" Static="true" />
+  </ItemGroup>
+
+</Project>

code/Chapter02/Arguments/Program.cs

@@ -0,0 +1,30 @@
+WriteLine($"There are {args.Length} arguments.");
+
+foreach (string arg in args)
+{
+  WriteLine(arg);
+}
+
+if (args.Length < 3)
+{
+  WriteLine("You must specify two colors and cursor size, e.g.");
+  WriteLine("dotnet run red yellow 50");
+  return; // Stop running.
+}
+
+ForegroundColor = (ConsoleColor)Enum.Parse(
+  enumType: typeof(ConsoleColor),
+  value: args[0], ignoreCase: true);
+
+BackgroundColor = (ConsoleColor)Enum.Parse(
+  enumType: typeof(ConsoleColor),
+  value: args[1], ignoreCase: true);
+
+try
+{
+  CursorSize = int.Parse(args[2]);
+}
+catch (PlatformNotSupportedException)
+{
+  WriteLine("The current platform does not support changing the size of the cursor.");
+}

code/Chapter02/Arguments/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "Arguments": {
+      "commandName": "Project",
+      "commandLineArgs": "red yellow 50"
+    }
+  }
+}

code/Chapter02/AsyncConsole/AsyncConsole.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Using Include="System.Console" Static="true" />
+  </ItemGroup>
+
+</Project>

code/Chapter02/AsyncConsole/Program.cs

@@ -0,0 +1,7 @@
+HttpClient client = new();
+
+HttpResponseMessage response =
+  await client.GetAsync("http://www.apple.com/");
+
+WriteLine("Apple's home page has {0:N0} bytes.",
+  response.Content.Headers.ContentLength);

code/Chapter02/Chapter02.sln

@@ -0,0 +1,61 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Vocabulary", "Vocabulary\Vocabulary.csproj", "{EADDBE7F-7DBC-48E9-9055-90C14F10B0DA}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Numbers", "Numbers\Numbers.csproj", "{CE582F72-50C4-4805-AFDE-FBDCDB61C8C7}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Variables", "Variables\Variables.csproj", "{72EE31A5-6F88-43C3-8711-591BE6A1DB11}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Formatting", "Formatting\Formatting.csproj", "{C17A0DB7-9EB4-460A-8812-BB4EC5A58D82}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Arguments", "Arguments\Arguments.csproj", "{2B4BD7E9-62F1-4999-AFF3-69BCBDC7BE71}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AsyncConsole", "AsyncConsole\AsyncConsole.csproj", "{60F9BB41-04FA-4960-91AF-05B82E4EAE06}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Exercise_Numbers", "Exercise_Numbers\Exercise_Numbers.csproj", "{CE53DADE-75C6-4BE2-A0C7-E04BBABE773F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EADDBE7F-7DBC-48E9-9055-90C14F10B0DA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EADDBE7F-7DBC-48E9-9055-90C14F10B0DA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EADDBE7F-7DBC-48E9-9055-90C14F10B0DA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EADDBE7F-7DBC-48E9-9055-90C14F10B0DA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CE582F72-50C4-4805-AFDE-FBDCDB61C8C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CE582F72-50C4-4805-AFDE-FBDCDB61C8C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CE582F72-50C4-4805-AFDE-FBDCDB61C8C7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CE582F72-50C4-4805-AFDE-FBDCDB61C8C7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{72EE31A5-6F88-43C3-8711-591BE6A1DB11}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{72EE31A5-6F88-43C3-8711-591BE6A1DB11}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{72EE31A5-6F88-43C3-8711-591BE6A1DB11}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{72EE31A5-6F88-43C3-8711-591BE6A1DB11}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C17A0DB7-9EB4-460A-8812-BB4EC5A58D82}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C17A0DB7-9EB4-460A-8812-BB4EC5A58D82}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C17A0DB7-9EB4-460A-8812-BB4EC5A58D82}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C17A0DB7-9EB4-460A-8812-BB4EC5A58D82}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2B4BD7E9-62F1-4999-AFF3-69BCBDC7BE71}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2B4BD7E9-62F1-4999-AFF3-69BCBDC7BE71}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2B4BD7E9-62F1-4999-AFF3-69BCBDC7BE71}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2B4BD7E9-62F1-4999-AFF3-69BCBDC7BE71}.Release|Any CPU.Build.0 = Release|Any CPU
+		{60F9BB41-04FA-4960-91AF-05B82E4EAE06}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{60F9BB41-04FA-4960-91AF-05B82E4EAE06}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{60F9BB41-04FA-4960-91AF-05B82E4EAE06}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{60F9BB41-04FA-4960-91AF-05B82E4EAE06}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CE53DADE-75C6-4BE2-A0C7-E04BBABE773F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CE53DADE-75C6-4BE2-A0C7-E04BBABE773F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CE53DADE-75C6-4BE2-A0C7-E04BBABE773F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CE53DADE-75C6-4BE2-A0C7-E04BBABE773F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {F629F151-457A-448E-AFB1-4017F941BD81}
+	EndGlobalSection
+EndGlobal

code/Chapter02/Exercise_Numbers/Exercise_Numbers.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Using Include="System.Console" Static="true" />
+  </ItemGroup>
+
+</Project>

code/Chapter02/Exercise_Numbers/Program.cs

@@ -0,0 +1,22 @@
+string rowSeparator = new string('-', count: 104);
+WriteLine(rowSeparator);
+WriteLine($"Type    {"Byte(s) of memory",-4} {"Min",32} {"Max",45}");
+WriteLine(rowSeparator);
+WriteLine($"sbyte   {sizeof(sbyte),-4} {sbyte.MinValue,45} {sbyte.MaxValue,45}");
+WriteLine($"byte    {sizeof(byte),-4} {byte.MinValue,45} {byte.MaxValue,45}");
+WriteLine($"short   {sizeof(short),-4} {short.MinValue,45} {short.MaxValue,45}");
+WriteLine($"ushort  {sizeof(ushort),-4} {ushort.MinValue,45} {ushort.MaxValue,45}");
+WriteLine($"int     {sizeof(int),-4} {int.MinValue,45} {int.MaxValue,45}");
+WriteLine($"uint    {sizeof(uint),-4} {uint.MinValue,45} {uint.MaxValue,45}");
+WriteLine($"long    {sizeof(long),-4} {long.MinValue,45} {long.MaxValue,45}");
+WriteLine($"ulong   {sizeof(ulong),-4} {ulong.MinValue,45} {ulong.MaxValue,45}");
+unsafe
+{
+  WriteLine($"Int128  {sizeof(Int128),-4} {Int128.MinValue,45} {Int128.MaxValue,45}");
+  WriteLine($"UInt128 {sizeof(UInt128),-4} {UInt128.MinValue,45} {UInt128.MaxValue,45}");
+  WriteLine($"Half    {sizeof(Half),-4} {Half.MinValue,45} {Half.MaxValue,45}");
+}
+WriteLine($"float   {sizeof(float),-4} {float.MinValue,45} {float.MaxValue,45}");
+WriteLine($"double  {sizeof(double),-4} {double.MinValue,45} {double.MaxValue,45}");
+WriteLine($"decimal {sizeof(decimal),-4} {decimal.MinValue,45} {decimal.MaxValue,45}");
+WriteLine(rowSeparator);

code/Chapter02/Formatting/Formatting.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup Label="Simplify console app">
+    <Using Include="System.Console" Static="true" />
+  </ItemGroup>
+
+</Project>