X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0b3fcc0a593aabd27d9d2cde2c5e0fd65c88cc5b..c27bcbd5a7cec9f03b15c69824da99c5bb75924a:/include/wx/msw/glcanvas.h

diff --git a/include/wx/msw/glcanvas.h b/include/wx/msw/glcanvas.h
index 3ae12ab890..825c19dfc3 100644
--- a/include/wx/msw/glcanvas.h
+++ b/include/wx/msw/glcanvas.h
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/msw/glcanvas.h
-// Purpose:     wxGLCanvas, for using OpenGL with wxWindows under Windows
+// Purpose:     wxGLCanvas, for using OpenGL with wxWidgets under Windows
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
@@ -9,13 +9,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef _WX_GLCANVAS_H_
+#define _WX_GLCANVAS_H_
+
 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma interface "glcanvas.h"
 #endif
 
-#ifndef _WX_GLCANVAS_H_
-#define _WX_GLCANVAS_H_
-
 #include "wx/palette.h"
 #include "wx/scrolwin.h"
 
@@ -96,7 +96,7 @@ public:
         const wxPalette& palette = wxNullPalette);
 
     wxGLCanvas(wxWindow *parent,
-        const wxGLContext *shared = (wxGLContext *) NULL,
+        const wxGLContext *shared,
         wxWindowID id = wxID_ANY,
         const wxPoint& pos = wxDefaultPosition,
         const wxSize& size = wxDefaultSize,
@@ -106,7 +106,7 @@ public:
         const wxPalette& palette = wxNullPalette);
 
     wxGLCanvas(wxWindow *parent,
-        const wxGLCanvas *shared = (wxGLCanvas *)NULL,
+        const wxGLCanvas *shared,
         wxWindowID id = wxID_ANY,
         const wxPoint& pos = wxDefaultPosition,
         const wxSize& size = wxDefaultSize,