title: What is the difference between Send Message and Post Message and how these relate to C# ,WPF and Pure windows programming?
body: <p>What is the difference between Send Message and Post Message ( in terms of pure windows programming) and how these relate to C# ,WPF and Pure windows programming?</p>
  
  <p>I am new to Threading and all related stuff so please excuse me for obvious quesiton .
  I need to dig out the externals of Threading .. Please let me know the links that help me to build my concept from win32 programming to WPF.</p>
  
  <p>I need to underderstand from Post message to Afx ( call to start a new thread ) to delegate Invok/Begin Invoke to Dispatcher.</p>