added null pointer check and assert

[wxWidgets.git] / docs / latex / wx / moveevt.tex

\section{\class{wxMoveEvent}}\label{wxmoveevent}

A move event holds information about move change events.

\wxheading{Derived from}

\helpref{wxEvent}{wxevent}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/event.h>

\wxheading{Library}

\helpref{wxCore}{librarieslist}

\wxheading{Event table macros}

To process a move event, use this event handler macro to direct input to a member
function that takes a wxMoveEvent argument.

\twocolwidtha{7cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf EVT\_MOVE(func)}}{Process a wxEVT\_MOVE event, which is generated
when a window is moved.}
\twocolitem{{\bf EVT\_MOVE\_START(func)}}{Process a wxEVT\_MOVE\_START event, which is generated
when the user starts to move or size a window. wxMSW only.}
\twocolitem{{\bf EVT\_MOVE\_END(func)}}{Process a wxEVT\_MOVE\_END event, which is generated
when the user stops moving or sizing a window. wxMSW only.}
\end{twocollist}

\wxheading{See also}

\helpref{wxPoint}{wxpoint}, \helpref{Event handling overview}{eventhandlingoverview}

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxMoveEvent::wxMoveEvent}\label{wxmoveeventctor}

\func{}{wxMoveEvent}{\param{const wxPoint\& }{pt}, \param{int }{id = 0}}

Constructor.

\membersection{wxMoveEvent::GetPosition}\label{wxmoveeventgetposition}

\constfunc{wxPoint}{GetPosition}{\void}

Returns the position of the window generating the move change event.