-\section{wxWindows "Hello World"}\label{helloworld}
+\section{wxWindows Hello World sample}\label{helloworld}
As many people have requested a mini-sample to be published here
-so that some quick judgments concerning syntax
+so that some quick judgment concerning syntax
and basic principles can be made, you can now look at wxWindows'
"Hello World":
used to initialize the program, maybe showing a "splash screen" and creating
the main window (or several). The frame should get a title bar text ("Hello World")
and a position and start-up size. One frame can also be declared to be the
-top window. Returning TRUE indicates a successful initialization.
+top window. Returning true indicates a successful initialization.
\begin{verbatim}
bool MyApp::OnInit()
{
MyFrame *frame = new MyFrame( "Hello World", wxPoint(50,50), wxSize(450,340) );
- frame->Show( TRUE );
+ frame->Show( true );
SetTopWindow( frame );
- return TRUE;
+ return true;
}
\end{verbatim}
\end{verbatim}
Here are the actual event handlers. MyFrame::OnQuit() closes the main window
-by calling Close(). The parameter TRUE indicates that other windows have no veto
+by calling Close(). The parameter true indicates that other windows have no veto
power such as after asking "Do you really want to close?". If there is no other
main window left, the application will quit.
\begin{verbatim}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
- Close( TRUE );
+ Close( true );
}
\end{verbatim}