Fixed the generation of overrides of virtuals from secondary bases.

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

src/AST/ClassExtensions.cs

@@ -93,10 +93,11 @@ namespace CppSharp.AST
             return null;
         }
 
-        public static bool HasNonAbstractBaseMethod(this Class @class, Method method)
+        public static bool HasNonAbstractBaseMethodInPrimaryBase(this Class @class, Method method)
         {
             var baseMethod = @class.GetBaseMethod(method, true, true);
-            return baseMethod != null && !baseMethod.IsPure;
+            return baseMethod != null && !baseMethod.IsPure &&
+                !((Class) baseMethod.OriginalNamespace).IsInterface;
         }
 
         public static Property GetBaseProperty(this Class @class, Property @override,
@@ -134,10 +135,11 @@ namespace CppSharp.AST
             return null;
         }
 
-        public static bool HasNonAbstractBaseProperty(this Class @class, Property property)
+        public static bool HasNonAbstractBasePropertyInPrimaryBase(this Class @class, Property property)
         {
             var baseProperty = @class.GetBaseProperty(property, true, true);
-            return baseProperty != null && !baseProperty.IsPure;
+            return baseProperty != null && !baseProperty.IsPure &&
+                !((Class) baseProperty.OriginalNamespace).IsInterface;
         }
 
         public static Property GetPropertyByName(this Class @class, string propertyName)

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -2263,7 +2263,7 @@ namespace CppSharp.Generators.CSharp
         {
             if (property.IsOverride && !property.IsPure &&
                 method.SynthKind != FunctionSynthKind.AbstractImplCall &&
-                @class.HasNonAbstractBaseProperty(property))
+                @class.HasNonAbstractBasePropertyInPrimaryBase(property))
             {
                 WriteLine(parameters == null ?
                     "return base.{0};" : "base.{0} = value;", property.Name);
@@ -2281,7 +2281,7 @@ namespace CppSharp.Generators.CSharp
         {
             if (!forceVirtualCall && method.IsOverride && !method.IsPure &&
                 method.SynthKind != FunctionSynthKind.AbstractImplCall &&
-                @class.HasNonAbstractBaseMethod(method))
+                @class.HasNonAbstractBaseMethodInPrimaryBase(method))
             {
                 GenerateManagedCall(method, true);
             }

src/Generator/Passes/GetterSetterToPropertyAdvancedPass.cs

@@ -147,7 +147,8 @@ namespace CppSharp.Passes
                             : AccessSpecifier.Protected,
                         Name = GetPropertyName(getter.Name),
                         Namespace = type,
-                        QualifiedType = getter.OriginalReturnType
+                        QualifiedType = getter.OriginalReturnType,
+                        OriginalNamespace = getter.OriginalNamespace
                     };
                     if (getter.IsOverride || (setter != null && setter.IsOverride))
                     {