avoid creating and immediately destroying a wxGraphicsContext when creating a wxDC...

[wxWidgets.git] / include / wx / wizard.h

diff --git a/include/wx/wizard.h b/include/wx/wizard.h
index 0c2453ca83a05d0909b1852493f2ae720176ba5c..2d38be5b879baa935f1a2d1c8ed863947957155b 100644 (file)
--- a/include/wx/wizard.h
+++ b/include/wx/wizard.h
@@ -291,6 +291,7 @@ wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_CANCEL, wxWizardEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_HELP, wxWizardEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_FINISHED, wxWizardEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_SHOWN, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_BEFORE_PAGE_CHANGED, wxWizardEvent );
 
 typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&);
 
@@ -307,6 +308,10 @@ typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&);
 // changed - unless the event handler vetoes the event
 #define EVT_WIZARD_PAGE_CHANGING(id, fn) wx__DECLARE_WIZARDEVT(PAGE_CHANGING, id, fn)
 
+// Called before GetNext/GetPrev is called, so that the handler can change state that will be
+// used when GetNext/GetPrev is called. PAGE_CHANGING is called too late to influence GetNext/GetPrev.
+#define EVT_WIZARD_BEFORE_PAGE_CHANGED(id, fn) wx__DECLARE_WIZARDEVT(BEFORE_PAGE_CHANGED, id, fn)
+
 // the user pressed "Cancel" button and the wizard is going to be dismissed -
 // unless the event handler vetoes the event
 #define EVT_WIZARD_CANCEL(id, fn) wx__DECLARE_WIZARDEVT(CANCEL, id, fn)