wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",
wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",