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📄 focusevt.tex

📁 很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.
💻 TEX
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\section{\class{wxFocusEvent}}\label{wxfocusevent}A focus event is sent when a window's focus changes. The window losing focusreceives a ``kill focus'' event while the window gaining it gets a ``setfocus'' one.Notice that the set focus event happens both when the user gives focus to thewindow (whether using the mouse or keyboard) and when it is done from theprogram itself using \helpref{SetFocus}{wxwindowsetfocus}.\wxheading{Derived from}\helpref{wxEvent}{wxevent}\\\helpref{wxObject}{wxobject}\wxheading{Include files}<wx/event.h>\wxheading{Event table macros}To process a focus event, use these event handler macros to direct input to a memberfunction that takes a wxFocusEvent argument.\twocolwidtha{7cm}\begin{twocollist}\itemsep=0pt\twocolitem{{\bf EVT\_SET\_FOCUS(func)}}{Process a wxEVT\_SET\_FOCUS event.}\twocolitem{{\bf EVT\_KILL\_FOCUS(func)}}{Process a wxEVT\_KILL\_FOCUS event.}\end{twocollist}%\wxheading{See also}\helpref{Event handling overview}{eventhandlingoverview}\latexignore{\rtfignore{\wxheading{Members}}}\membersection{wxFocusEvent::wxFocusEvent}\label{wxfocuseventctor}\func{}{wxFocusEvent}{\param{WXTYPE }{eventType = 0}, \param{int }{id = 0}}Constructor.\membersection{wxFocusEvent::GetWindow}\label{wxfocuseventgetwindow}Returns the window associated with this event, that is the window which had thefocus before for the \texttt{wxEVT\_SET\_FOCUS} event and the window which isgoing to receive focus for the \texttt{wxEVT\_KILL\_FOCUS} one.Warning: the window pointer may be \texttt{NULL}!

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