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<HTML>
<head><title>wxCommandEvent</title></head>
<BODY BGCOLOR=#FFFFFF>
<A NAME="wxcommandevent"></A><CENTER>
<A HREF="wx.htm"><img align=center src="contents.gif" BORDER=0 ALT="Contents"></A> <A HREF="wx22.htm#classref"><img align=center src="up.gif" BORDER=0 ALT="Up"></A> <A HREF="wx51.htm#wxcommand"><img align=center src="back.gif" BORDER=0 ALT="Previous"></A> <A HREF="wx53.htm#wxcommandprocessor"><img align=center src="forward.gif" BORDER=0 ALT="Next"></A> </CENTER><HR>
<H2>wxCommandEvent</H2>
<P>
This event class contains information about command events, which originate from a variety of
simple controls. More complex controls, such as <A HREF="wx250.htm#wxtreectrl">wxTreeCtrl</A>, have separate command event classes.<P>
<B><FONT COLOR="#FF0000">Derived from</FONT></B><P>
<A HREF="wx84.htm#wxevent">wxEvent</A><P>
<B><FONT COLOR="#FF0000">Include files</FONT></B><P>
<wx/event.h><P>
<B><FONT COLOR="#FF0000">Event table macros</FONT></B><P>
To process a menu command event, use these event handler macros to direct input to member
functions that take a wxCommandEvent argument.<P>
<TABLE>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND(id, event, func)</B>
</TD>
<TD VALIGN=TOP>
Process a command, supplying the window identifier,
command event identifier, and member function.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_RANGE(id1, id2, event, func)</B>
</TD>
<TD VALIGN=TOP>
Process a command for a range
of window identifiers, supplying the minimum and maximum window identifiers,
command event identifier, and member function.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_BUTTON(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_BUTTON_CLICKED command,
which is generated by a wxButton control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_CHECKBOX(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_CHECKBOX_CLICKED command,
which is generated by a wxCheckBox control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_CHOICE(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_CHOICE_SELECTED command,
which is generated by a wxChoice control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_LISTBOX(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_LISTBOX_SELECTED command,
which is generated by a wxListBox control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_LISTBOX_DCLICK(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED command,
which is generated by a wxListBox control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TEXT(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TEXT_UPDATED command,
which is generated by a wxTextCtrl control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TEXT_ENTER(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TEXT_ENTER command,
which is generated by a wxTextCtrl control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_MENU(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_MENU_SELECTED command,
which is generated by a menu item.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_MENU_RANGE(id1, id2, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_MENU_RANGE command,
which is generated by a range of menu items.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_SLIDER(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_SLIDER_UPDATED command,
which is generated by a wxSlider control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_RADIOBOX(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_RADIOBOX_SELECTED command,
which is generated by a wxRadioBox control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_RADIOBUTTON(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_RADIOBUTTON_SELECTED command,
which is generated by a wxRadioButton control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_SCROLLBAR(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_SCROLLBAR_UPDATED command,
which is generated by a wxScrollBar control. This is provided for compatibility only;
more specific scrollbar event macros should be used instead (see <A HREF="wx202.htm#wxscrollevent">wxScrollEvent</A>).
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMBOBOX(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_COMBOBOX_SELECTED command,
which is generated by a wxComboBox control.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TOOL(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TOOL_CLICKED event
(a synonym for wxEVT_COMMAND_MENU_SELECTED). Pass the id of the tool.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TOOL_RANGE(id1, id2, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TOOL_CLICKED event
for a range id identifiers. Pass the ids of the tools.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TOOL_RCLICKED(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TOOL_RCLICKED event.
Pass the id of the tool.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TOOL_RCLICKED_RANGE(id1, id2, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TOOL_RCLICKED event
for a range of ids. Pass the ids of the tools.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_TOOL_ENTER(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_TOOL_ENTER event.
Pass the id of the toolbar itself. The value of wxCommandEvent::GetSelection is the tool id, or -1 if the mouse cursor has moved off a tool.
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_LEFT_CLICK(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_LEFT_CLICK command,
which is generated by a control (Windows 95 and NT only).
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_LEFT_DCLICK(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_LEFT_DCLICK command,
which is generated by a control (Windows 95 and NT only).
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_RIGHT_CLICK(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_RIGHT_CLICK command,
which is generated by a control (Windows 95 and NT only).
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_SET_FOCUS(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_SET_FOCUS command,
which is generated by a control (Windows 95 and NT only).
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_KILL_FOCUS(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_KILL_FOCUS command,
which is generated by a control (Windows 95 and NT only).
</TD></TR>
<TR><TD VALIGN=TOP>
<B>EVT_COMMAND_ENTER(id, func)</B>
</TD>
<TD VALIGN=TOP>
Process a wxEVT_COMMAND_ENTER command,
which is generated by a control.
</TD></TR>
</TABLE>
<B><FONT COLOR="#FF0000">Members</FONT></B><P>
<A HREF="#topic101">wxCommandEvent::m_clientData</A><BR>
<A HREF="#topic102">wxCommandEvent::m_commandInt</A><BR>
<A HREF="#topic103">wxCommandEvent::m_commandString</A><BR>
<A HREF="#topic104">wxCommandEvent::m_extraLong</A><BR>
<A HREF="#topic105">wxCommandEvent::wxCommandEvent</A><BR>
<A HREF="#topic106">wxCommandEvent::Checked</A><BR>
<A HREF="#topic107">wxCommandEvent::GetClientData</A><BR>
<A HREF="#topic108">wxCommandEvent::GetExtraLong</A><BR>
<A HREF="#topic109">wxCommandEvent::GetInt</A><BR>
<A HREF="#topic110">wxCommandEvent::GetSelection</A><BR>
<A HREF="#topic111">wxCommandEvent::GetString</A><BR>
<A HREF="#topic112">wxCommandEvent::IsSelection</A><BR>
<A HREF="#topic113">wxCommandEvent::SetClientData</A><BR>
<A HREF="#topic114">wxCommandEvent::SetExtraLong</A><BR>
<A HREF="#topic115">wxCommandEvent::SetInt</A><BR>
<A HREF="#topic116">wxCommandEvent::SetString</A><BR>
<P>
<HR>
<A NAME="topic101"></A>
<H3>wxCommandEvent::m_clientData</H3>
<P>
char* m_clientData<P>
Contains a pointer to client data for listboxes and choices, if the event
was a selection.<P>
<HR>
<A NAME="topic102"></A>
<H3>wxCommandEvent::m_commandInt</H3>
<P>
int m_commandInt<P>
Contains an integer identifier corresponding to a listbox, choice or
radiobox selection (only if the event was a selection, not a
deselection), or a boolean value representing the value of a checkbox.<P>
<HR>
<A NAME="topic103"></A>
<H3>wxCommandEvent::m_commandString</H3>
<P>
char* m_commandString<P>
Contains a string corresponding to a listbox or choice selection.<P>
<HR>
<A NAME="topic104"></A>
<H3>wxCommandEvent::m_extraLong</H3>
<P>
long m_extraLong<P>
Extra information. If the event comes from a listbox selection, it is
a boolean determining whether the event was a selection (TRUE) or a
deselection (FALSE). A listbox deselection only occurs for
multiple-selection boxes, and in this case the index and string values
are indeterminate and the listbox must be examined by the application.<P>
<HR>
<A NAME="topic105"></A>
<H3>wxCommandEvent::wxCommandEvent</H3>
<P>
<B></B> <B>wxCommandEvent</B>(<B>WXTYPE</B><I> commandEventType = 0</I>, <B>int</B><I> id = 0</I>)<P>
Constructor.<P>
<HR>
<A NAME="topic106"></A>
<H3>wxCommandEvent::Checked</H3>
<P>
<B>bool</B> <B>Checked</B>()<P>
Returns TRUE or FALSE for a checkbox selection event.<P>
<HR>
<A NAME="topic107"></A>
<H3>wxCommandEvent::GetClientData</H3>
<P>
<B>char*</B> <B>GetClientData</B>()<P>
Returns client data pointer for a listbox or choice selection event
(not valid for a deselection).<P>
<HR>
<A NAME="topic108"></A>
<H3>wxCommandEvent::GetExtraLong</H3>
<P>
<B>long</B> <B>GetExtraLong</B>()<P>
Returns the <B>m_extraLong</B> member.<P>
<HR>
<A NAME="topic109"></A>
<H3>wxCommandEvent::GetInt</H3>
<P>
<B>int</B> <B>GetInt</B>()<P>
Returns the <B>m_commandInt</B> member.<P>
<HR>
<A NAME="topic110"></A>
<H3>wxCommandEvent::GetSelection</H3>
<P>
<B>int</B> <B>GetSelection</B>()<P>
Returns item index for a listbox or choice selection event (not valid for
a deselection).<P>
<HR>
<A NAME="topic111"></A>
<H3>wxCommandEvent::GetString</H3>
<P>
<B>char*</B> <B>GetString</B>()<P>
Returns item string for a listbox or choice selection event (not valid for
a deselection).<P>
<HR>
<A NAME="topic112"></A>
<H3>wxCommandEvent::IsSelection</H3>
<P>
<B>bool</B> <B>IsSelection</B>()<P>
For a listbox or choice event, returns TRUE if it is a selection, FALSE if it
is a deselection.<P>
<HR>
<A NAME="topic113"></A>
<H3>wxCommandEvent::SetClientData</H3>
<P>
<B>void</B> <B>SetClientData</B>(<B>char*</B><I> clientData</I>)<P>
Sets the client data for this event.<P>
<HR>
<A NAME="topic114"></A>
<H3>wxCommandEvent::SetExtraLong</H3>
<P>
<B>void</B> <B>SetExtraLong</B>(<B>int</B><I> extraLong</I>)<P>
Sets the <B>m_extraLong</B> member.<P>
<HR>
<A NAME="topic115"></A>
<H3>wxCommandEvent::SetInt</H3>
<P>
<B>void</B> <B>SetInt</B>(<B>int</B><I> intCommand</I>)<P>
Sets the <B>m_commandInt</B> member.<P>
<HR>
<A NAME="topic116"></A>
<H3>wxCommandEvent::SetString</H3>
<P>
<B>void</B> <B>SetString</B>(<B>char*</B><I> string</I>)<P>
Sets the <B>m_commandString</B> member.<P>
</BODY></HTML>
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