diff --git a/Source/Prism/Ioc/IContainerRegistry.cs b/Source/Prism/Ioc/IContainerRegistry.cs
index 2b89ad9805..d19e6866a6 100644
--- a/Source/Prism/Ioc/IContainerRegistry.cs
+++ b/Source/Prism/Ioc/IContainerRegistry.cs
@@ -4,17 +4,17 @@ namespace Prism.Ioc
 {
     public interface IContainerRegistry
     {
-        void RegisterInstance(Type type, object instance);
+        IContainerRegistry RegisterInstance(Type type, object instance);
 
-        void RegisterInstance(Type type, object instance, string name);
+        IContainerRegistry RegisterInstance(Type type, object instance, string name);
 
-        void RegisterSingleton(Type from, Type to);
+        IContainerRegistry RegisterSingleton(Type from, Type to);
 
-        void RegisterSingleton(Type from, Type to, string name);
+        IContainerRegistry RegisterSingleton(Type from, Type to, string name);
 
-        void Register(Type from, Type to);
+        IContainerRegistry Register(Type from, Type to);
 
-        void Register(Type from, Type to, string name);
+        IContainerRegistry Register(Type from, Type to, string name);
 
         bool IsRegistered(Type type);
 
diff --git a/Source/Prism/Ioc/IContainerRegistryExtensions.cs b/Source/Prism/Ioc/IContainerRegistryExtensions.cs
index 4f88814df8..2a9d017627 100644
--- a/Source/Prism/Ioc/IContainerRegistryExtensions.cs
+++ b/Source/Prism/Ioc/IContainerRegistryExtensions.cs
@@ -4,64 +4,64 @@ namespace Prism.Ioc
 {
     public static class IContainerRegistryExtensions
     {
-        public static void RegisterInstance<TInterface>(this IContainerRegistry containerRegistry, TInterface instance)
+        public static IContainerRegistry RegisterInstance<TInterface>(this IContainerRegistry containerRegistry, TInterface instance)
         {
-            containerRegistry.RegisterInstance(typeof(TInterface), instance);
+            return containerRegistry.RegisterInstance(typeof(TInterface), instance);
         }
 
-        public static void RegisterInstance<TInterface>(this IContainerRegistry containerRegistry, TInterface instance, string name)
+        public static IContainerRegistry RegisterInstance<TInterface>(this IContainerRegistry containerRegistry, TInterface instance, string name)
         {
-            containerRegistry.RegisterInstance(typeof(TInterface), instance, name);
+            return containerRegistry.RegisterInstance(typeof(TInterface), instance, name);
         }
 
-        public static void RegisterSingleton(this IContainerRegistry containerRegistry, Type type)
+        public static IContainerRegistry RegisterSingleton(this IContainerRegistry containerRegistry, Type type)
         {
-            containerRegistry.RegisterSingleton(type, type);
+            return containerRegistry.RegisterSingleton(type, type);
         }
 
-        public static void RegisterSingleton<TFrom, TTo>(this IContainerRegistry containerRegistry) where TTo : TFrom
+        public static IContainerRegistry RegisterSingleton<TFrom, TTo>(this IContainerRegistry containerRegistry) where TTo : TFrom
         {
-            containerRegistry.RegisterSingleton(typeof(TFrom), typeof(TTo));
+            return containerRegistry.RegisterSingleton(typeof(TFrom), typeof(TTo));
         }
 
-        public static void RegisterSingleton<TFrom, TTo>(this IContainerRegistry containerRegistry, string name) where TTo : TFrom
+        public static IContainerRegistry RegisterSingleton<TFrom, TTo>(this IContainerRegistry containerRegistry, string name) where TTo : TFrom
         {
-            containerRegistry.RegisterSingleton(typeof(TFrom), typeof(TTo), name);
+            return containerRegistry.RegisterSingleton(typeof(TFrom), typeof(TTo), name);
         }
 
-        public static void RegisterSingleton<T>(this IContainerRegistry containerRegistry)
+        public static IContainerRegistry RegisterSingleton<T>(this IContainerRegistry containerRegistry)
         {
-            containerRegistry.RegisterSingleton(typeof(T));
+            return containerRegistry.RegisterSingleton(typeof(T));
         }
 
-        public static void Register(this IContainerRegistry containerRegistry, Type type)
+        public static IContainerRegistry Register(this IContainerRegistry containerRegistry, Type type)
         {
-            containerRegistry.Register(type, type);
+            return containerRegistry.Register(type, type);
         }
 
-        public static void Register<T>(this IContainerRegistry containerRegistry)
+        public static IContainerRegistry Register<T>(this IContainerRegistry containerRegistry)
         {
-            containerRegistry.Register(typeof(T));
+            return containerRegistry.Register(typeof(T));
         }
 
-        public static void Register(this IContainerRegistry containerRegistry, Type type, string name)
+        public static IContainerRegistry Register(this IContainerRegistry containerRegistry, Type type, string name)
         {
-            containerRegistry.Register(type, type, name);
+            return containerRegistry.Register(type, type, name);
         }
 
-        public static void Register<T>(this IContainerRegistry containerRegistry, string name)
+        public static IContainerRegistry Register<T>(this IContainerRegistry containerRegistry, string name)
         {
-            containerRegistry.Register(typeof(T), name);
+            return containerRegistry.Register(typeof(T), name);
         }
 
-        public static void Register<TFrom, TTo>(this IContainerRegistry containerRegistry) where TTo : TFrom
+        public static IContainerRegistry Register<TFrom, TTo>(this IContainerRegistry containerRegistry) where TTo : TFrom
         {
-            containerRegistry.Register(typeof(TFrom), typeof(TTo));
+            return containerRegistry.Register(typeof(TFrom), typeof(TTo));
         }
 
-        public static void Register<TFrom, TTo>(this IContainerRegistry containerRegistry, string name) where TTo : TFrom
+        public static IContainerRegistry Register<TFrom, TTo>(this IContainerRegistry containerRegistry, string name) where TTo : TFrom
         {
-            containerRegistry.Register(typeof(TFrom), typeof(TTo), name);
+            return containerRegistry.Register(typeof(TFrom), typeof(TTo), name);
         }
 
         public static bool IsRegistered<T>(this IContainerRegistry containerRegistry)
diff --git a/Source/Windows10/Prism.DryIoc.Windows/DryIocContainerExtension.cs b/Source/Windows10/Prism.DryIoc.Windows/DryIocContainerExtension.cs
index 31c1bd26be..239af56224 100644
--- a/Source/Windows10/Prism.DryIoc.Windows/DryIocContainerExtension.cs
+++ b/Source/Windows10/Prism.DryIoc.Windows/DryIocContainerExtension.cs
@@ -16,34 +16,40 @@ public DryIocContainerExtension(IContainer container)
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.UseInstance(type, instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.UseInstance(type, instance, serviceKey: name);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.Register(from, to, Reuse.Singleton);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.Register(from, to, Reuse.Singleton, serviceKey: name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.Register(from, to);
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.Register(from, to, serviceKey: name);
+            return this;
         }
 
         public object Resolve(Type type)
diff --git a/Source/Windows10/Prism.Unity.Windows/UnityContainerExtension.cs b/Source/Windows10/Prism.Unity.Windows/UnityContainerExtension.cs
index 02624dd0c7..363edb86dd 100644
--- a/Source/Windows10/Prism.Unity.Windows/UnityContainerExtension.cs
+++ b/Source/Windows10/Prism.Unity.Windows/UnityContainerExtension.cs
@@ -14,34 +14,40 @@ public sealed class UnityContainerExtension : IContainerExtension<IUnityContaine
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.RegisterInstance(type, instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.RegisterInstance(type, name, instance);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.RegisterSingleton(from, to);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.RegisterSingleton(from, to, name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.RegisterType(from, to);
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.RegisterType(from, to, name);
+            return this;
         }
 
         public object Resolve(Type type)
diff --git a/Source/Wpf/Prism.DryIoc.Wpf/Ioc/DryIocContainerExtension.cs b/Source/Wpf/Prism.DryIoc.Wpf/Ioc/DryIocContainerExtension.cs
index ea79916e30..928a687c35 100644
--- a/Source/Wpf/Prism.DryIoc.Wpf/Ioc/DryIocContainerExtension.cs
+++ b/Source/Wpf/Prism.DryIoc.Wpf/Ioc/DryIocContainerExtension.cs
@@ -16,34 +16,40 @@ public DryIocContainerExtension(IContainer container)
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.UseInstance(type, instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.UseInstance(type, instance, serviceKey: name);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.Register(from, to, Reuse.Singleton);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.Register(from, to, Reuse.Singleton, serviceKey: name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.Register(from, to);
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.Register(from, to, serviceKey: name);
+            return this;
         }
 
         public object Resolve(Type type)
diff --git a/Source/Wpf/Prism.Ninject.Wpf/Ioc/NinjectContainerExtension.cs b/Source/Wpf/Prism.Ninject.Wpf/Ioc/NinjectContainerExtension.cs
index e04f2b9046..1cfbdbc899 100644
--- a/Source/Wpf/Prism.Ninject.Wpf/Ioc/NinjectContainerExtension.cs
+++ b/Source/Wpf/Prism.Ninject.Wpf/Ioc/NinjectContainerExtension.cs
@@ -20,34 +20,40 @@ public NinjectContainerExtension(IKernel kernel)
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.Bind(type).ToConstant(instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.Bind(type).ToConstant(instance).Named(name);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.Bind(from).To(to).InSingletonScope();
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.Bind(from).To(to).InSingletonScope().Named(name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.Bind(from).To(to).InTransientScope();
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.Bind(from).To(to).InTransientScope().Named(name);
+            return this;
         }
 
         public object Resolve(Type type)
diff --git a/Source/Wpf/Prism.Unity.Wpf/Ioc/UnityContainerExtension.cs b/Source/Wpf/Prism.Unity.Wpf/Ioc/UnityContainerExtension.cs
index f85fd7ec61..56630d5a97 100644
--- a/Source/Wpf/Prism.Unity.Wpf/Ioc/UnityContainerExtension.cs
+++ b/Source/Wpf/Prism.Unity.Wpf/Ioc/UnityContainerExtension.cs
@@ -16,34 +16,40 @@ public UnityContainerExtension() : this(new UnityContainer()) { }
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.RegisterInstance(type, instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.RegisterInstance(type, name, instance);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.RegisterSingleton(from, to);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.RegisterSingleton(from, to, name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.RegisterType(from, to);
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.RegisterType(from, to, name);
+            return this;
         }
 
         public object Resolve(Type type)
diff --git a/Source/Wpf/Prism.Wpf.Tests/Mocks/MockContainerAdapter.cs b/Source/Wpf/Prism.Wpf.Tests/Mocks/MockContainerAdapter.cs
index 3db7c0c23f..7ef6a106b8 100644
--- a/Source/Wpf/Prism.Wpf.Tests/Mocks/MockContainerAdapter.cs
+++ b/Source/Wpf/Prism.Wpf.Tests/Mocks/MockContainerAdapter.cs
@@ -23,32 +23,32 @@ public bool IsRegistered(Type type, string name)
             throw new NotImplementedException();
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             throw new NotImplementedException();
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             throw new NotImplementedException();
         }
diff --git a/Source/Xamarin/Prism.DryIoc.Forms/DryIocContainerExtension.cs b/Source/Xamarin/Prism.DryIoc.Forms/DryIocContainerExtension.cs
index d1283493da..cb7f342e50 100644
--- a/Source/Xamarin/Prism.DryIoc.Forms/DryIocContainerExtension.cs
+++ b/Source/Xamarin/Prism.DryIoc.Forms/DryIocContainerExtension.cs
@@ -16,34 +16,40 @@ public DryIocContainerExtension(IContainer container)
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.UseInstance(type, instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.UseInstance(type, instance, serviceKey: name);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.Register(from, to, Reuse.Singleton);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.Register(from, to, Reuse.Singleton, serviceKey: name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.Register(from, to);
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.Register(from, to, serviceKey: name);
+            return this;
         }
 
         public object Resolve(Type type)
diff --git a/Source/Xamarin/Prism.Forms.Tests/Mocks/PageNavigationContainerMock.cs b/Source/Xamarin/Prism.Forms.Tests/Mocks/PageNavigationContainerMock.cs
index 51c2354a6b..3b5e226e19 100644
--- a/Source/Xamarin/Prism.Forms.Tests/Mocks/PageNavigationContainerMock.cs
+++ b/Source/Xamarin/Prism.Forms.Tests/Mocks/PageNavigationContainerMock.cs
@@ -20,13 +20,14 @@ public object GetInstance(string key)
             return null;
         }
 
-        public void Register(string key, Type type)
+        public IContainerRegistry Register(string key, Type type)
         {
             if (!_registeredPages.ContainsKey(key))
             {
                 _registeredPages.Add(key, type);
                 PageNavigationRegistry.Register(key, type);
             }
+            return this;
         }
 
         public object Resolve(Type type)
@@ -39,37 +40,37 @@ public object Resolve(Type type, string name)
             throw new NotImplementedException();
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             throw new NotImplementedException();
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterSingleton(Type type)
+        public IContainerRegistry RegisterSingleton(Type type)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterType(Type type)
+        public IContainerRegistry RegisterType(Type type)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterType(Type type, string name)
+        public IContainerRegistry RegisterType(Type type, string name)
         {
             throw new NotImplementedException();
         }
@@ -94,12 +95,12 @@ public bool IsRegistered(Type type, string name)
             throw new NotImplementedException();
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             throw new NotImplementedException();
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             throw new NotImplementedException();
         }
diff --git a/Source/Xamarin/Prism.Unity.Forms/UnityContainerExtension.cs b/Source/Xamarin/Prism.Unity.Forms/UnityContainerExtension.cs
index 71142f1679..44e2a02802 100644
--- a/Source/Xamarin/Prism.Unity.Forms/UnityContainerExtension.cs
+++ b/Source/Xamarin/Prism.Unity.Forms/UnityContainerExtension.cs
@@ -14,34 +14,40 @@ public class UnityContainerExtension : IContainerExtension<IUnityContainer>
 
         public void FinalizeExtension() { }
 
-        public void RegisterInstance(Type type, object instance)
+        public IContainerRegistry RegisterInstance(Type type, object instance)
         {
             Instance.RegisterInstance(type, instance);
+            return this;
         }
 
-        public void RegisterInstance(Type type, object instance, string name)
+        public IContainerRegistry RegisterInstance(Type type, object instance, string name)
         {
             Instance.RegisterInstance(type, name, instance);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to)
+        public IContainerRegistry RegisterSingleton(Type from, Type to)
         {
             Instance.RegisterSingleton(from, to);
+            return this;
         }
 
-        public void RegisterSingleton(Type from, Type to, string name)
+        public IContainerRegistry RegisterSingleton(Type from, Type to, string name)
         {
             Instance.RegisterSingleton(from, to, name);
+            return this;
         }
 
-        public void Register(Type from, Type to)
+        public IContainerRegistry Register(Type from, Type to)
         {
             Instance.RegisterType(from, to);
+            return this;
         }
 
-        public void Register(Type from, Type to, string name)
+        public IContainerRegistry Register(Type from, Type to, string name)
         {
             Instance.RegisterType(from, to, name);
+            return this;
         }
 
         public object Resolve(Type type)