diff --git a/src/Delegate/DelegateAsync.h b/src/Delegate/DelegateAsync.h
index 4384940..8ea024a 100644
--- a/src/Delegate/DelegateAsync.h
+++ b/src/Delegate/DelegateAsync.h
@@ -36,7 +36,7 @@ class DelegateAsyncMsg : public DelegateMsg
     /// @param[in] invoker - the invoker instance
     /// @param[in] args - a parameter pack of all target function arguments
     DelegateAsyncMsg(std::shared_ptr<IDelegateInvoker> invoker, Args... args) : DelegateMsg(invoker),
-        m_args(make_tuple_heap(m_heapMem, m_start, args...))
+        m_args(make_tuple_heap(m_heapMem, m_start, std::forward<Args>(args)...))
     {
     }
 
@@ -185,7 +185,7 @@ class DelegateFreeAsync<RetType(Args...)> : public DelegateFree<RetType(Args...)
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread
-            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, std::forward<Args>(args)...);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
             // will be called by the destintation thread. 
@@ -210,7 +210,7 @@ class DelegateFreeAsync<RetType(Args...)> : public DelegateFree<RetType(Args...)
     /// @param[in] args The function arguments, if any.
     /// @return None. Function invoked asynchronously without waiting for completion.
     void AsyncInvoke(Args... args) {
-        operator()(args...);   
+        operator()(std::forward<Args>(args)...);
     }
 
     /// @brief Invoke the delegate function on the destination thread. Called by the 
@@ -402,7 +402,7 @@ class DelegateMemberAsync<TClass, RetType(Args...)> : public DelegateMember<TCla
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread
-            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, std::forward<Args>(args)...);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
             // will be called by the destintation thread. 
@@ -427,7 +427,7 @@ class DelegateMemberAsync<TClass, RetType(Args...)> : public DelegateMember<TCla
     /// @param[in] args The function arguments, if any.
     /// @return None. Function invoked asynchronously without waiting for completion.
     void AsyncInvoke(Args... args) {
-        operator()(args...);   
+        operator()(std::forward<Args>(args)...);
     }
 
     /// @brief Invoke the delegate function on the destination thread. Called by the 
@@ -620,7 +620,7 @@ class DelegateMemberSpAsync<TClass, RetType(Args...)> : public DelegateMemberSp<
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread
-            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, std::forward<Args>(args)...);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
             // will be called by the destintation thread. 
@@ -645,7 +645,7 @@ class DelegateMemberSpAsync<TClass, RetType(Args...)> : public DelegateMemberSp<
     /// @param[in] args The function arguments, if any.
     /// @return None. Function invoked asynchronously without waiting for completion.
     void AsyncInvoke(Args... args) {
-        operator()(args...);   
+        operator()(std::forward<Args>(args)...);
     }
 
     /// @brief Invoke the delegate function on the destination thread. Called by the 
@@ -821,7 +821,7 @@ class DelegateFunctionAsync<RetType(Args...)> : public DelegateFunction<RetType(
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread
-            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncMsg<Args...>>(delegate, std::forward<Args>(args)...);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
             // will be called by the destintation thread. 
@@ -846,7 +846,7 @@ class DelegateFunctionAsync<RetType(Args...)> : public DelegateFunction<RetType(
     /// @param[in] args The function arguments, if any.
     /// @return None. Function invoked asynchronously without waiting for completion.
     void AsyncInvoke(Args... args) {
-        operator()(args...);   
+        operator()(std::forward<Args>(args)...);
     }
 
     /// @brief Invoke the delegate function on the destination thread. Called by the 
diff --git a/src/Delegate/DelegateAsyncWait.h b/src/Delegate/DelegateAsyncWait.h
index 1a0b44a..1db4647 100644
--- a/src/Delegate/DelegateAsyncWait.h
+++ b/src/Delegate/DelegateAsyncWait.h
@@ -59,7 +59,7 @@ class DelegateAsyncWaitMsg : public DelegateMsg
     /// @param[in] invoker - the invoker instance
     /// @param[in] args - a parameter pack of all target function arguments
     DelegateAsyncWaitMsg(std::shared_ptr<IDelegateInvoker> invoker, Args... args) : DelegateMsg(invoker),
-        m_args(args...)
+        m_args(std::forward<Args>(args)...)
     {
     }
 
@@ -243,7 +243,7 @@ class DelegateFreeAsyncWait<RetType(Args...)> : public DelegateFreeAsync<RetType
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread.
-            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, std::forward<Args>(args)...);
             msg->SetInvokerWaiting(true);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
@@ -489,7 +489,7 @@ class DelegateMemberAsyncWait<TClass, RetType(Args...)> : public DelegateMemberA
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread.
-            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, std::forward<Args>(args)...);
             msg->SetInvokerWaiting(true);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
@@ -735,7 +735,7 @@ class DelegateMemberSpAsyncWait<TClass, RetType(Args...)> : public DelegateMembe
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread.
-            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, std::forward<Args>(args)...);
             msg->SetInvokerWaiting(true);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()
@@ -972,7 +972,7 @@ class DelegateFunctionAsyncWait<RetType(Args...)> : public DelegateFunctionAsync
             auto delegate = std::shared_ptr<ClassType>(Clone());
 
             // Create a new message instance for sending to the destination thread.
-            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, args...);
+            auto msg = std::make_shared<DelegateAsyncWaitMsg<Args...>>(delegate, std::forward<Args>(args)...);
             msg->SetInvokerWaiting(true);
 
             // Dispatch message onto the callback destination thread. DelegateInvoke()