Chat and Completion Example added as example project.

OpenAI_API.sln

@@ -13,6 +13,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		README.md = README.md
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "1. Examples", "1. Examples", "{B6A90DB1-5DC1-468E-BEEC-93302D9FD949}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenAI_Example.ConsoleApp", "examples\OpenAI_Example.Console\OpenAI_Example.ConsoleApp.csproj", "{CB645694-1347-4D64-8D83-B8B7279370F4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,10 +31,17 @@ Global
 		{066EC5A5-47CE-4B91-B924-F236644037C1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{066EC5A5-47CE-4B91-B924-F236644037C1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{066EC5A5-47CE-4B91-B924-F236644037C1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CB645694-1347-4D64-8D83-B8B7279370F4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CB645694-1347-4D64-8D83-B8B7279370F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CB645694-1347-4D64-8D83-B8B7279370F4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CB645694-1347-4D64-8D83-B8B7279370F4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{CB645694-1347-4D64-8D83-B8B7279370F4} = {B6A90DB1-5DC1-468E-BEEC-93302D9FD949}
+	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {971477B1-6BBA-40CD-8B76-AEBC01D99130}
 	EndGlobalSection

examples/OpenAI_Example.Console/Applications/ChatExample.cs

@@ -0,0 +1,22 @@
+using OpenAI_API;
+using System;
+using System.Threading.Tasks;
+
+namespace OpenAI_Example.ConsoleApp.Applications
+{
+    internal sealed class ChatExample : IProgram
+    {
+        public async Task RunAsync(string apiKey)
+        {
+            Console.WriteLine($"Running the {GetType()}....");
+            Console.WriteLine("Please ask a question:");
+            var api = new OpenAIAPI(apiKey);
+
+            var str = Console.ReadLine();
+            var result = await api.Chat.CreateChatCompletionAsync(str);
+
+            var reply = result.Choices[0].Message;
+            Console.WriteLine($"{reply.Role}: {reply.Content.Trim()}");
+        }
+    }
+}

examples/OpenAI_Example.Console/Applications/CompletionExample.cs

@@ -0,0 +1,17 @@
+using OpenAI_API;
+using System;
+using System.Threading.Tasks;
+
+namespace OpenAI_Example.ConsoleApp.Applications
+{
+    internal sealed class CompletionExample : IProgram
+    {
+        public async Task RunAsync(string apiKey)
+        {
+            Console.WriteLine($"Running the {GetType()}....");
+            var api = new OpenAIAPI(apiKey);
+            var result = await api.Completions.GetCompletion("One Two Three One Two");
+            Console.WriteLine(result);
+        }
+    }
+}

examples/OpenAI_Example.Console/IProgram.cs

@@ -0,0 +1,17 @@
+using System.Threading.Tasks;
+
+namespace OpenAI_Example.ConsoleApp
+{
+    /// <summary>
+    /// Defines an interface for different types of programs to run as an example.
+    /// </summary>
+    public interface IProgram
+    {
+        /// <summary>
+        /// Runs a dedicated application example.
+        /// </summary>
+        /// <param name="apiKey">The Api key to authorize with OpenAI.</param>
+        /// <returns>A task which can be awaited.</returns>
+        Task RunAsync(string apiKey);
+    }
+}

examples/OpenAI_Example.Console/OpenAI_Example.ConsoleApp.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<OutputType>Exe</OutputType>
+		<TargetFramework>net7.0</TargetFramework>
+		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+		<TrimUnusedDependencies>true</TrimUnusedDependencies>
+		<LangVersion>latest</LangVersion>
+		<Nullable>enable</Nullable>
+		<GenerateDocumentationFile>true</GenerateDocumentationFile>
+		<IsPackable>false</IsPackable>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\..\OpenAI_API\OpenAI_API.csproj" />
+	</ItemGroup>
+
+</Project>

examples/OpenAI_Example.Console/Program.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+
+namespace OpenAI_Example.ConsoleApp
+{
+    internal sealed class Program
+    {
+        private static async Task Main()
+        {
+            Console.WriteLine("Welcome to the OpenAI Example program.");
+            Console.WriteLine("Please provide a valid OpenAI Api Key:");
+            var apiKey = Console.ReadLine();
+            if (String.IsNullOrWhiteSpace(apiKey))
+            {
+                throw new InvalidOperationException("Cannot authorize with OpenAI when no valid API Key is provided.");
+            }
+
+            Console.WriteLine("What do you want to do?");
+
+            Type[] types = GetExamples();
+            _ = int.TryParse(Console.ReadLine(), out var programToRun);
+
+            var instance = (IProgram?)Activator.CreateInstance(types[programToRun]);
+            if (instance is not null)
+            {
+                await instance.RunAsync(apiKey);
+            }
+
+            Console.WriteLine("Thank you for using the OpenAI Example program.");
+            Console.WriteLine("Exiting now....");
+        }
+
+        private static Type[] GetExamples()
+        {
+            var type = typeof(IProgram);
+            var types = AppDomain.CurrentDomain.GetAssemblies()
+                                               .SelectMany(s => s.GetTypes())
+                                               .Where(type.IsAssignableFrom)
+                                               .ToArray();
+
+            for (var i = 0; i < types.Length; i++)
+            {
+                var option = types[i];
+                if (option.Name == nameof(IProgram)) // Don't include the IProgram type.
+                {
+                    continue;
+                }
+                Console.WriteLine($"\t{i}){option.Name}");
+            }
+
+            return types;
+        }
+    }
+}