C++ Simple Desktop Application for Windows

We need an experienced C++ developer to develop a simple and effective weather desktop application for Windows. The app will show worldwide weather from a weather API. The design of the application is ready. The app includes 4 screens as follows: 1. Settings screen: include choose location field - combo box with fix lists of countries and cities; Time Format (12:00/24:00);Auto refresh; Wind Speed (kmph, mph); Temperature (Celsius or Fahrenheit). 2. Today - Day/night Screen: show current temp, weather conditions, weather icons, min and max temp, humidity and wind speed in day and night modes and in local time and date for each chosen location. 3. Tomorrow's weather screen - Show the same weather data as above. 4. Weekly Screen - Show 5 day weather data. The app should be accessed from the taskbar tray and from the quick launch and shall include an installer. You will be provided with the full design files (in various formats), including weather icons, images, etc. and weather API access. General Requirements: * Programming language: C++. * Supported OS: Windows 7, Windows XP, Windows Vista. * Clean code and bug free. Full details shall be given to the relevant bidders.