Added new module for cpp compatibility

Modules/CppCompatibilityModule/Extern/ExternalApplication.cs

@@ -0,0 +1,55 @@
+using DiscordBotCore;
+using DiscordBotCore.Others;
+
+namespace CppCompatibilityModule.Extern;
+
+public class ExternalApplication
+{
+    public Guid ApplicationId { get; private set; }
+    private readonly ExternLibrary _ExternLibrary;
+    
+    private ExternalApplication(Guid applicationGuid, ExternLibrary library)
+    {
+        this.ApplicationId = applicationGuid;
+        this._ExternLibrary = library;
+    }
+    
+    internal void CallFunction(string methodName, ref object parameter)
+    {
+        _ExternLibrary.CallFunction(methodName, ref parameter);
+    }
+    
+    internal void CallFunction(string methodName)
+    {
+        _ExternLibrary.CallFunction(methodName);
+    }
+    
+    internal T GetDelegateForFunctionPointer<T>(string methodName) where T : Delegate
+    {
+        return _ExternLibrary.GetDelegateForFunctionPointer<T>(methodName);
+    }
+    
+    internal void SetExternFunctionToPointToFunction(string externalFunctionName, Delegates.CsharpFunctionDelegate localFunction)
+    {
+        _ExternLibrary.SetExternFunctionSetterPointerToCustomDelegate<Delegates.SetExternFunctionPointerDelegate, Delegates.CsharpFunctionDelegate>(externalFunctionName, localFunction);
+    }
+    
+    internal void FreeLibrary()
+    {
+        _ExternLibrary.FreeLibrary();
+    }
+    
+    public static ExternalApplication? CreateFromDllFile(string dllFilePath)
+    {
+        ExternLibrary library = new ExternLibrary(dllFilePath);
+        var result = library.InitializeLibrary();
+
+        return result.Match<ExternalApplication?>(
+            () => new ExternalApplication(Guid.NewGuid(), library),
+            (ex) => {
+            Application.Logger.Log(ex.Message, LogType.Error);
+            library.FreeLibrary();
+            return null;
+        });
+    }
+}