Added the method to its block to maintain the connection between them.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -1702,7 +1702,7 @@ namespace CppSharp.Generators.CSharp
 
         public void GenerateMethod(Method method, Class @class)
         {
-            PushBlock(CSharpBlockKind.Method);
+            PushBlock(CSharpBlockKind.Method, method);
             GenerateDeclarationCommon(method);
 
             if (method.ExplicitInterfaceImpl == null)