(C++) Scoped_hdc

Data type to manage a handle to a device context (HDC).


#include <windows.h>

#include <boost/noncopyable.hpp>



//From http://www.richelbilderbeek.nl/CppScoped_hdc.htm

struct Scoped_hdc : public boost::noncopyable

{

  Scoped_hdc(const HWND hwnd)

    : m_hwnd(hwnd),

      m_hdc(GetDC(hwnd))

  {



  }

  ~Scoped_hdc()

  {

    ReleaseDC(m_hwnd,m_hdc);

  }

  const HDC Get() const { return m_hdc; }



  private:

  const HWND m_hwnd;

  const HDC m_hdc;

};

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