src/msw/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcscreen.cpp
   3 // Purpose:     wxScreenDC class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dcscreen.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #endif
  25
  26 #include "wx/dcscreen.h"
  27
  28 #include <windows.h>
  29
  30 #if !USE_SHARED_LIBRARY
  31 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  32 #endif
  33
  34 // Create a DC representing the whole screen
  35 wxScreenDC::wxScreenDC(void)
  36 {
  37   m_hDC = (WXHDC) ::GetDC((HWND) NULL);
  38   m_hDCCount ++;
  39 }
  40
  41 wxScreenDC::~wxScreenDC(void)
  42 {
  43   SelectOldObjects(m_hDC);
  44   ::ReleaseDC((HWND) NULL, (HDC) m_hDC);
  45   m_hDC = 0;
  46   m_hDCCount --;
  47 }
  48