Constructor. Called implicitly with a definition of a wxApp object.
-The argument is a language identifier; this is an experimental
-feature and will be expanded and documented in future versions.
+% VZ: there is no such feature so far...
+% The argument is a language identifier; this is an experimental
+% feature and will be expanded and documented in future versions.
\membersection{wxApp::\destruct{wxApp}}
\helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnChar}{wxwindowonchar},\rtfsp
\helpref{wxWindow::OnCharHook}{wxwindowoncharhook}, \helpref{wxDialog::OnCharHook}{wxdialogoncharhook}
+\membersection{wxApp::OnFatalException}\label{wxapponfatalexception}
+
+\func{void}{OnFatalException}{\void}
+
+This function may be called if something fatal happens: an unhandled
+exception under Win32 or a a fatal signal under Unix, for example. However,
+this will not happen by default: you have to explicitly call
+\helpref{wxHandleFatalExceptions}{wxhandlefatalexceptions} to enable this.
+
+Generally speaking, this function should only show a message to the user and
+return. You may attempt to save unsaved data but this is not guaranteed to
+work and, in fact, probably won't.
+
+\wxheading{See also}
+
+\helpref{wxHandleFatalExcetions}{wxhandlefatalexceptions}
+
\membersection{wxApp::OnIdle}\label{wxapponidle}
\func{void}{OnIdle}{\param{wxIdleEvent\& }{event}}
Sets the `top' window. You can call this from within \helpref{wxApp::OnInit}{wxapponinit} to
let wxWindows know which is the main window. You don't have to set the top window;
-it's only a convenience so that (for example) certain dialogs without parents can use a
+it is only a convenience so that (for example) certain dialogs without parents can use a
specific window as the top window. If no top window is specified by the application,
wxWindows just uses the first frame or dialog in its top-level window list, when it
needs to use the top window.