The main user-visible effect of this change is that giving configure
--disable-vararg-macros argument now really disables the use of variadic
macros whereas it didn't disable them in wx/cpp.h before.
It is, of course, also less confusing to not have two very similar but
different symbols.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74489 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Extract wxModalDialogHook from wx/testing.h into its own wx/modalhook.h,
extend it to allow to be notified not only about showing modal dialogs but
also about dismissing them and document it and show its use in the dialogs
sample.
Also replace all the WX_TESTING_SHOW_MODAL_HOOK macros occurrences with
WX_HOOK_MODAL_DIALOG.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74037 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
