Updates to event docs. (removed evthandler::default).
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4644 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@ -32,6 +32,39 @@ Destructor. If the handler is part of a chain, the destructor will
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unlink itself and restore the previous and next handlers so that they point to
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each other.
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\membersection{wxEvtHandler::AddPendingEvent}\label{wxevthandleraddpendingevent}
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\func{virtual void}{AddPendingEvent}{\param{wxEvent\& }{event}}
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Adds an event to be processed later. The function will return immediately and the
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event will get processed in idle time using the \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent}
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method.
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\wxheading{Parameters}
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\docparam{event}{Event to add to process queue.}
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\wxheading{Remarks}
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Note that this requires that the event has a fully implemented Clone()
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methods so that the event can be duplicated and stored until later processing.
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Not all events in wxWindows currently have a fully implemented Clone() method,
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you may have to look at the source to verify this.
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This methods automatically wakes up idle handling even if the underlying window
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system is currently idle anyway and thus would not send any idle events. (Waking
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up the idle handling is done calling \helpref{::wxWakeUpIdle}{wxwakeupidle}.)
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This is also the method to call for inter-thread communication. When using
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a multi-threading program, you will often have to inform the main GUI thread
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about the status of other working threads and this has to be done using this
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method - which also means that this method is thread safe by means of using
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crtical sections where needed.
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Furthermore, it may be noted that some ports of wxWindows will probably move
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to using this method more and more in preference over calling ProcessEvent()
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directly so as to avoid problems with reentrant code.
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\membersection{wxEvtHandler::Connect}\label{wxevthandlerconnect}
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\func{void}{Connect}{\param{int}{ id},
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@ -65,24 +98,33 @@ is an alternative to the use of static event tables. See the 'dynamic' sample fo
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(wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction) MyFrame::OnQuit );
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\end{verbatim}
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\membersection{wxEvtHandler::Default}\label{wxevthandlerdefault}
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\membersection{wxEvtHandler::Disconnect}\label{wxevthandlerdisconnect}
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\func{virtual long}{Default}{\void}
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\func{bool}{Disconnect}{\param{int}{ id},
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\param{wxEventType }{eventType = wxEVT_NULL}, \param{wxObjectEventFunction}{ function = NULL},
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\param{wxObject*}{ userData = NULL}}
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Invokes default processing if this event handler is a window.
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\func{bool}{Disconnect}{\param{int}{ id}, \param{int}{ lastId = -1},
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\param{wxEventType }{eventType = wxEVT_NULL}, \param{wxObjectEventFunction}{ function = NULL},
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\param{wxObject*}{ userData = NULL}}
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\wxheading{Return value}
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Disconnects the given function dynamically from the event handler, using the specified
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parameters as search criteria and returning TRUE if a matching event handler has been
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found and removed. This method can only disconnect from functions which have been added
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using the \helpref{wxEvtHandler::Connect}{wxevthandlerconnect} method. There is no way
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to disconnect from events used in the (static) event tables.
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System dependent.
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\wxheading{Parameters}
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\wxheading{Remarks}
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\docparam{id}{The identifier (or first of the identifier range) associated with the event handler function.}
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A generic way of delegating processing to the default system behaviour. It calls a platform-dependent
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default function, with parameters dependent on the event or message parameters
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originally sent from the windowing system.
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\docparam{lastId}{The second part of the identifier range associated with the event handler function.}
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Normally the application should call a base member, such as \helpref{wxWindow::OnChar}{wxwindowonchar}, which itself
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may call {\bf Default}.
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\docparam{eventType}{The event type associated with this event handler.}
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\docparam{function}{The event handler function.}
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\docparam{userData}{Data to be associated with the event table entry.}
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\membersection{wxEvtHandler::GetClientData}\label{wxevthandlergetclientdata}
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@ -862,7 +862,9 @@ Sets the translation (from the top left corner) for PostScript output. The defau
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\section{Clipboard functions}\label{clipsboard}
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These clipboard functions are implemented for Windows only.
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These clipboard functions are implemented for Windows only. The use of these functions
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is drepated and the code no longer maintained. Use the \helpref{wxClipboard}{wxclipboard}
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class instead.
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\wxheading{Include files}
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@ -1513,7 +1515,12 @@ sometime later - usually during the next even loop iteration.
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Note that a copy of the {\it event} is made by the function, so the original
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copy can be deleted as soon as function returns. This function can also be used
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to send events between different threads safely.
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to send events between different threads safely. As this function makes a
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copy of the event, the event needs to have a fully implemented Clone() method,
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which may not be the case for all event in wxWindows.
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See also \helpref{AddPendingEvent}{wxevthandleraddpendingevent} (which this function
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uses internally).
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\wxheading{Include files}
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@ -1711,6 +1718,21 @@ function.
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<wx/app.h> or <wx/utils.h>
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\membersection{::wxWakeUpIdle}\label{wxwakeupidle}
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\func{void}{wxWakeUpIdle}{\void}
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This functions wakes up the (internal and platform dependent) idle system, i.e. it
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will force the system to send an idle event even if the system currently {\it is}
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idle and thus would not send any idle event until after some other event would get
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sent. This is also useful for sending events between two threads and is used by
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the corresponding functions \helpref{::wxPostEvent}{wxpostevent} and
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\helpref{wxEvtHandler::AddPendingEvent}{wxevthandleraddpendingevent}.
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\wxheading{Include files}
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<wx/app.h>
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\section{Macros}\label{macros}
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These macros are defined in wxWindows.
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@ -173,7 +173,7 @@ events which will NOT get sent to the parent's event handler:
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\twocolitem{\helpref{wxPaintEvent}{wxpaintevent}}{A paint event}
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\twocolitem{\helpref{wxQueryLayoutInfoEvent}{wxquerylayoutinfoevent}}{Used to query layout information}
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\twocolitem{\helpref{wxSizeEvent}{wxsizeevent}}{A size event}
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\twocolitem{\helpref{wxScrollWinEvent}{wxscrollwinevent}}{An event, sent by a scrolled window, not a scroll bar.}
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\twocolitem{\helpref{wxScrollWinEvent}{wxscrollwinevent}}{A scroll event sent by a scrolled window (not a scroll bar)}
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\twocolitem{\helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}}{A system colour change event}
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\twocolitem{\helpref{wxUpdateUIEvent}{wxupdateuievent}}{A user interface update event}
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\end{twocollist}
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@ -223,7 +223,7 @@ implements the following methods:\par
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\membersection{wxWindow::Close}\label{wxwindowclose}
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\func{virtual bool}{Close}{\param{const bool}{ force = FALSE}}
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\func{virtual bool}{Close}{\param{bool}{ force = FALSE}}
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The purpose of this call is to provide a safer way of destroying a window than using
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the {\it delete} operator.
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@ -363,7 +363,7 @@ Destroys all children of a window. Called automatically by the destructor.
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\membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
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\func{virtual void}{DragAcceptFiles}{\param{const bool}{ accept}}
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\func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
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Enables or disables elibility for drop file events (OnDropFiles).
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@ -382,7 +382,7 @@ Windows only.
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\membersection{wxWindow::Enable}\label{wxwindowenable}
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\func{virtual void}{Enable}{\param{const bool}{ enable}}
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\func{virtual void}{Enable}{\param{bool}{ enable}}
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Enable or disable the window for user input.
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@ -714,7 +714,7 @@ implements the following methods:\par
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\constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
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\param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
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\param{const wxFont* }{font = NULL}, \param{const bool}{ use16 = FALSE}}
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\param{const wxFont* }{font = NULL}, \param{bool}{ use16 = FALSE}}
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Gets the dimensions of the string as it would be drawn on the
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window with the currently selected font.
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@ -878,7 +878,7 @@ or frame).
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\membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
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\func{virtual void}{MakeModal}{\param{const bool }{flag}}
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\func{virtual void}{MakeModal}{\param{bool }{flag}}
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Disables all other windows in the application so that
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the user can only interact with this window. (This function
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@ -1616,7 +1616,7 @@ or frame).
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\membersection{wxWindow::Refresh}\label{wxwindowrefresh}
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\func{virtual void}{Refresh}{\param{const bool}{ eraseBackground = TRUE}, \param{const wxRect* }{rect
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\func{virtual void}{Refresh}{\param{bool}{ eraseBackground = TRUE}, \param{const wxRect* }{rect
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= NULL}}
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Causes a message or event to be generated to repaint the
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@ -1719,7 +1719,7 @@ Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxa
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\membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
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\func{void}{SetAutoLayout}{\param{const bool}{ autoLayout}}
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\func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
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Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
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be called automatically when the window is resized. Use in connection with
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@ -1970,7 +1970,7 @@ Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
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\func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
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\param{int }{thumbSize}, \param{int }{range},\rtfsp
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\param{const bool }{refresh = TRUE}}
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\param{bool }{refresh = TRUE}}
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Sets the scrollbar properties of a built-in scrollbar.
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@ -2019,7 +2019,7 @@ from your \helpref{wxWindow::OnSize}{wxwindowonsize} event handler function.
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\begin{comment}
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\membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
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\func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{const bool }{refresh = TRUE}}
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\func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = TRUE}}
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Sets the page size of one of the built-in scrollbars.
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@ -2057,7 +2057,7 @@ handling of pages and ranges.
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\membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
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\func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{const bool }{refresh = TRUE}}
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\func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = TRUE}}
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Sets the position of one of the built-in scrollbars.
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@ -2084,7 +2084,7 @@ application to take note of scrollbar attributes and redraw contents accordingly
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\begin{comment}
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\membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
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\func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{const bool }{refresh = TRUE}}
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\func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = TRUE}}
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Sets the range of one of the built-in scrollbars.
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@ -2255,7 +2255,7 @@ create a new validator of this type.
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\membersection{wxWindow::Show}\label{wxwindowshow}
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\func{virtual bool}{Show}{\param{const bool}{ show}}
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\func{virtual bool}{Show}{\param{bool}{ show}}
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Shows or hides the window.
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