interface/wx/init.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        init.h
   3 // Purpose:     interface of global functions
   4 // Author:      wxWidgets team
   5 // RCS-ID:      $Id$
   6 // Licence:     wxWindows license
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9
  10 /**
  11     @class wxInitializer
  12
  13     Create an object of this class on the stack to initialize/cleanup the library
  14     automatically.
  15
  16     @library{wxbase}
  17     @category{appmanagement}
  18
  19     @see wxGLContext
  20 */
  21 class wxInitializer
  22 {
  23 public:
  24     /**
  25         Initializes the library.
  26         Calls wxInitialize().
  27     */
  28     wxInitializer(int argc = 0, wxChar **argv = NULL);
  29
  30     /**
  31         Has the initialization been successful? (explicit test)
  32     */
  33     bool IsOk() const;
  34
  35     /**
  36         This dtor only does clean up if we initialized the library properly.
  37         Calls wxUninitialize().
  38     */
  39     ~wxInitializer();
  40 };
  41
  42
  43
  44 /** @addtogroup group_funcmacro_appinitterm */
  45 //@{
  46
  47 /**
  48     This function can be used to perform the initialization of wxWidgets if you
  49     can't use the default initialization code for any reason.
  50
  51     If the function returns true, the initialization was successful and the
  52     global wxApp object ::wxTheApp has been created. Moreover, wxEntryCleanup()
  53     must be called afterwards. If the function returns false, a catastrophic
  54     initialization error occured and (at least the GUI part of) the library
  55     can't be used at all.
  56
  57     Notice that parameters @c argc and @c argv may be modified by this
  58     function.
  59
  60     @header{wx/init.h}
  61 */
  62 bool wxEntryStart(int& argc, wxChar** argv);
  63
  64 /**
  65     See wxEntryStart(int&,wxChar**) for more info about this function.
  66
  67     This is an additional overload of wxEntryStart() provided under MSW only.
  68     It is meant to be called with the parameters passed to WinMain().
  69
  70     @note Under Windows CE platform, and only there, the type of @a pCmdLine is
  71     @c wchar_t *, otherwise it is @c char *, even in Unicode build.
  72
  73     @onlyfor{wxmsw}
  74
  75     @header{wx/init.h}
  76 */
  77 bool wxEntryStart(HINSTANCE hInstance,
  78                   HINSTANCE hPrevInstance = NULL,
  79                   char* pCmdLine = NULL,
  80                   int nCmdShow = SW_SHOWNORMAL);
  81
  82 /**
  83     Free resources allocated by a successful call to wxEntryStart().
  84
  85     @header{wx/init.h}
  86 */
  87 void wxEntryCleanup();
  88
  89 /**
  90     Initialize the library (may be called as many times as needed, but each
  91     call to wxInitialize() must be matched by wxUninitialize()).
  92
  93     With this function you may avoid wxDECLARE_APP() and wxIMPLEMENT_APP() macros
  94     and use wxInitialize() and wxUninitialize() dynamically in the
  95     program startup and termination.
  96
  97     @header{wx/init.h}
  98 */
  99 bool wxInitialize(int argc = 0, wxChar **argv = NULL);
 100
 101 /**
 102     Clean up; the library can't be used any more after the last call to
 103     wxUninitialize().
 104
 105     See wxInitialize() for more info.
 106
 107     @header{wx/init.h}
 108 */
 109 void wxUninitialize();
 110
 111 //@}
 112