\section{\class{wxMessageDialog}}\label{wxmessagedialog} This class represents a dialog that shows a single or multi-line message, with a choice of OK, Yes, No and Cancel buttons. \wxheading{Derived from} \helpref{wxDialog}{wxdialog}\\ \helpref{wxWindow}{wxwindow}\\ \helpref{wxEvtHandler}{wxevthandler}\\ \helpref{wxObject}{wxobject} \wxheading{Include files} \wxheading{See also} \helpref{wxMessageDialog overview}{wxmessagedialogoverview} \latexignore{\rtfignore{\wxheading{Members}}} \membersection{wxMessageDialog::wxMessageDialog}\label{wxmessagedialogconstr} \func{}{wxMessageDialog}{\param{wxWindow* }{parent}, \param{const wxString\& }{message},\rtfsp \param{const wxString\& }{caption = "Message box"}, \param{long }{style = wxOK \pipe wxCANCEL \pipe wxCENTRE},\rtfsp \param{const wxPoint\& }{pos = wxDefaultPosition}} Constructor. Use \helpref{wxMessageDialog::ShowModal}{wxmessagedialogshowmodal} to show the dialog. \wxheading{Parameters} \docparam{parent}{Parent window.} \docparam{message}{Message to show on the dialog.} \docparam{caption}{The dialog caption.} \docparam{style}{A dialog style (bitlist) containing flags chosen from the following: \twocolwidtha{5cm} \begin{twocollist} \twocolitem{{\bf wxOK}}{Show an OK button.} \twocolitem{{\bf wxCANCEL}}{Show a Cancel button.} \twocolitem{{\bf wxYES\_NO}}{Show Yes and No buttons.} \twocolitem{{\bf wxYES\_DEFAULT}}{Used with {\bf wxYES\_NO}, makes {\bf Yes} button the default - which is the default behaviour.} \twocolitem{{\bf wxNO\_DEFAULT}}{Used with {\bf wxYES\_NO}, makes {\bf No} button the default.} \twocolitem{{\bf wxCENTRE}}{Centre the message. Not Windows.} \twocolitem{{\bf wxICON\_EXCLAMATION}}{Shows an exclamation mark icon.} \twocolitem{{\bf wxICON\_HAND}}{Shows an error icon.} \twocolitem{{\bf wxICON\_ERROR}}{Shows an error icon - the same as wxICON\_HAND.} \twocolitem{{\bf wxICON\_QUESTION}}{Shows a question mark icon.} \twocolitem{{\bf wxICON\_INFORMATION}}{Shows an information (i) icon.} \end{twocollist} } \docparam{pos}{Dialog position. Not Windows.} \membersection{wxMessageDialog::\destruct{wxMessageDialog}} \func{}{\destruct{wxMessageDialog}}{\void} Destructor. \membersection{wxMessageDialog::ShowModal}\label{wxmessagedialogshowmodal} \func{int}{ShowModal}{\void} Shows the dialog, returning one of wxID\_OK, wxID\_CANCEL, wxID\_YES, wxID\_NO.