Content

IWindowListenerOnMessage

Describes window listener reseiving only custom unhandled window messages.

You can find more information in comments below.

class IWindowListenerOnMessage
{
public:
    virtual bool OnMessage(const unsigned int uMsg, const unsigned long long wParam, const long long lParam, long long &result) = 0; // Called when message was not handled. Should return true and set correct result value if message is handled. Otherwise should return false 
};