884360bc11
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@177 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
524 lines
20 KiB
TeX
524 lines
20 KiB
TeX
\section{\class{wxListCtrl}}\label{wxlistctrl}
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A list control presents lists in a number of formats: list view, report view, icon view
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and small icon view. Elements are numbered from zero.
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To intercept events from a list control, use the event table macros described in \helpref{wxListEvent}{wxlistevent}.
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\wxheading{Derived from}
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\helpref{wxControl}{wxcontrol}\\
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Window styles}
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxLC\_LIST}}{multicolumn list view, with optional small icons.
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Columns are computed automatically, i.e. you don't set columns as in wxLC\_REPORT. In other words,
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the list wraps, unlike a wxListBox.}
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\twocolitem{\windowstyle{wxLC\_REPORT}}{single or multicolumn report view, with optional header.}
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\twocolitem{\windowstyle{wxLC\_ICON}}{Large icon view, with optional labels.}
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\twocolitem{\windowstyle{wxLC\_SMALL\_ICON}}{Small icon view, with optional labels.}
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\twocolitem{\windowstyle{wxLC\_ALIGN\_TOP}}{Icons align to the top (default).}
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\twocolitem{\windowstyle{wxLC\_ALIGN\_LEFT}}{Icons align to the left.}
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\twocolitem{\windowstyle{wxLC\_AUTOARRANGE}}{Icons arrange themselves.}
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\twocolitem{\windowstyle{wxLC\_USER\_TEXT}}{The application provides label text on demand, except for column headers.}
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\twocolitem{\windowstyle{wxLC\_EDIT\_LABELS}}{Labels are editable: the application will be notified when editing starts.}
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\twocolitem{\windowstyle{wxLC\_NO\_HEADER}}{No header in report mode.}
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\twocolitem{\windowstyle{wxLC\_SINGLE\_SEL}}{Single selection.}
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\twocolitem{\windowstyle{wxLC\_SORT\_ASCENDING}}{Sort in ascending order (must still supply a comparison callback in SortItems.}
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\twocolitem{\windowstyle{wxLC\_SORT\_DESCENDING}}{Sort in descending order (must still supply a comparison callback in SortItems.}
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\end{twocollist}
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See also \helpref{window styles overview}{windowstyles}.
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\wxheading{See also}
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\helpref{wxListCtrl overview}{wxlistctrloverview}, \helpref{wxListBox}{wxlistbox}, \helpref{wxTreeCtrl}{wxtreectrl},\rtfsp
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\helpref{wxImageList}{wximagelist}, \helpref{wxListEvent}{wxlistevent}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxListCtrl::wxListCtrl}\label{wxlistctrlconstr}
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\func{}{wxListCtrl}{\void}
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Default constructor.
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\func{}{wxListCtrl}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
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\param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp
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\param{long}{ style = wxLC\_ICON}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listCtrl"}}
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Constructor, creating and showing a list control.
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\wxheading{Parameters}
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\docparam{parent}{Parent window. Must not be NULL.}
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\docparam{id}{Window identifier. A value of -1 indicates a default value.}
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\docparam{pos}{Window position.}
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\docparam{size}{Window size. If the default size (-1, -1) is specified then the window is sized
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appropriately.}
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\docparam{style}{Window style. See \helpref{wxListCtrl}{wxlistctrl}.}
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\docparam{validator}{Window validator.}
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\docparam{name}{Window name.}
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\wxheading{See also}
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\helpref{wxListCtrl::Create}{wxlistctrlcreate}, \helpref{wxValidator}{wxvalidator}
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\membersection{wxListCtrl::\destruct{wxListCtrl}}
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\func{void}{\destruct{wxListCtrl}}{\void}
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Destructor, destroying the list control.
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\membersection{wxListCtrl::Arrange}\label{wxlistctrlarrange}
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\func{bool}{Arrange}{\param{int }{flag = wxLIST\_ALIGN\_DEFAULT}}
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Arranges the items in icon or small icon view. {\it flag} is one of:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLIST\_ALIGN\_DEFAULT}{Default alignment.}
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\twocolitem{wxLIST\_ALIGN\_LEFT}{Align to the left side of the control.}
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\twocolitem{wxLIST\_ALIGN\_TOP}{Align to the top side of the control.}
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\twocolitem{wxLIST\_ALIGN\_SNAP\_TO\_GRID}{Snap to grid.}
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\end{twocollist}
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\membersection{wxListCtrl::Create}\label{wxlistctrlcreate}
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\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
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\param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp
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\param{long}{ style = wxLC\_ICON}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listCtrl"}}
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Creates the list control. See \helpref{wxListCtrl::wxListCtrl}{wxlistctrlconstr} for further details.
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\membersection{wxListCtrl::DeleteItem}\label{wxlistctrldeleteitem}
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\func{bool}{DeleteItem}{\param{long }{item}}
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Deletes the specified item.
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\membersection{wxListCtrl::DeleteAllItems}\label{wxlistctrldeleteallitems}
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\func{bool}{DeleteAllItems}{\void}
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Deletes all the items in the list control.
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\membersection{wxListCtrl::DeleteColumn}\label{wxlistctrldeletecolumn}
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\func{bool}{DeleteColumn}{\param{int }{col}}
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Deletes a column.
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\membersection{wxListCtrl::Edit}\label{wxlistctrledit}
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\func{wxTextCtrl\&}{Edit}{\param{long }{item}}
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Starts editing a label.
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\membersection{wxListCtrl::EnsureVisible}\label{wxlistctrlensurevisible}
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\func{bool}{EnsureVisible}{\param{long }{item}}
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Ensures this item is visible.
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\membersection{wxListCtrl::FindItem}\label{wxlistctrlfinditem}
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\func{long}{FindItem}{\param{long }{start}, \param{const wxString\& }{str}, \param{const bool }{partial = FALSE}}
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Find an item whose label matches this string, starting from the item after {\it start} or
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the beginning if {\it start} is -1.
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\func{long}{FindItem}{\param{long }{start}, \param{long }{data}}
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Find an item whose data matches this data, starting from the item after {\it start} or
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the beginning if 'start' is -1.
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\func{long}{FindItem}{\param{long }{start}, \param{const wxPoint\& }{pt}, \param{int }{direction}}
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Find an item nearest this position in the specified direction, starting from
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the item after {\it start} or the beginning if {\it start} is -1.
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\membersection{wxListCtrl::GetColumn}\label{wxlistctrlgetcolumn}
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\constfunc{bool}{GetColumn}{\param{int }{col}, \param{wxListItem\& }{item}}
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Gets information about this column. See \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem} for more
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information.
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\membersection{wxListCtrl::GetColumnWidth}\label{wxlistctrlgetcolumnwidth}
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\constfunc{int}{GetColumnWidth}{\param{int }{col}}
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Gets the column width (report view only).
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\membersection{wxListCtrl::GetCountPerPage}\label{wxlistctrlgetcountperpage}
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\constfunc{int}{GetCountPerPage}{\void}
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Gets the number of items that can fit vertically in the
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visible area of the list control (list or report view)
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or the total number of items in the list control (icon
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or small icon view).
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\membersection{wxListCtrl::GetEditControl}\label{wxlistctrlgeteditcontrol}
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\constfunc{wxTextCtrl\&}{GetEditControl}{\void}
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Gets the edit control for editing labels.
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\membersection{wxListCtrl::GetImageList}\label{wxlistctrlgetimagelist}
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\constfunc{wxImageList*}{GetImageList}{\param{int }{which}}
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Returns the specified image list. {\it which} may be one of:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxIMAGE\_LIST\_NORMAL}}{The normal (large icon) image list.}
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\twocolitem{\windowstyle{wxIMAGE\_LIST\_SMALL}}{The small icon image list.}
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\twocolitem{\windowstyle{wxIMAGE\_LIST\_STATE}}{The user-defined state image list (unimplemented).}
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\end{twocollist}
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\membersection{wxListCtrl::GetItem}\label{wxlistctrlgetitem}
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\constfunc{bool}{GetItem}{\param{wxListItem\& }{info}}
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Gets information about the item. See \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem} for more
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information.
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\membersection{wxListCtrl::GetItemData}\label{wxlistctrlgetitemdata}
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\constfunc{long}{GetItemData}{\param{long }{item}}
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Gets the application-defined data associated with this item.
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\membersection{wxListCtrl::GetItemPosition}\label{wxlistctrlgetitemposition}
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\constfunc{bool}{GetItemPosition}{\param{long }{item}, \param{wxPoint\& }{pos}}
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Returns the position of the item, in icon or small icon view.
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\membersection{wxListCtrl::GetItemRect}\label{wxlistctrlgetitemrect}
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\constfunc{bool}{GetItemRect}{\param{long }{item}, \param{wxRect\& }{rect}, \param{int }{code = wxLIST\_RECT\_BOUNDS}}
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Returns the rectangle representing the item's size and position, in client coordinates.
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{\it code} is one of wxLIST\_RECT\_BOUNDS, wxLIST\_RECT\_ICON, wxLIST\_RECT\_LABEL.
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\membersection{wxListCtrl::GetItemState}\label{wxlistctrlgetitemstate}
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\constfunc{int}{GetItemState}{\param{long }{item}, \param{long }{stateMask}}
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Gets the item state. For a list of state flags, see \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem}.
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The {\bf stateMask} indicates which state flags are of interest.
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\membersection{wxListCtrl::GetItemCount}\label{wxlistctrlgetitemcount}
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\constfunc{int}{GetItemCount}{\void}
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Returns the number of items in the list control.
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\membersection{wxListCtrl::GetItemSpacing}\label{wxlistctrlgetitemspacing}
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\constfunc{int}{GetItemSpacing}{\param{bool }{isSmall}}
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Retrieves the spacing between icons in pixels.
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If {\it small} is TRUE, gets the spacing for the small icon
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view, otherwise the large icon view.
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\membersection{wxListCtrl::GetItemText}\label{wxlistctrlgetitemtext}
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\constfunc{wxString}{GetItemText}{\param{long }{item}}
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Gets the item text for this item.
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\membersection{wxListCtrl::GetNextItem}\label{wxlistctrlgetnextitem}
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\constfunc{long}{GetNextItem}{\param{long }{item}, \param{int }{geometry = wxLIST\_NEXT\_ALL}, \param{int }{state = wxLIST\_STATE\_DONTCARE}}
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Searches for an item with the given goemetry or state, starting from {\it item}. {\it item} can be -1
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to find the first item that matches the specified flags.
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Returns the item or -1 if unsuccessful.
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{\it geometry} can be one of:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLIST\_NEXT\_ABOVE}{Searches for an item above the specified item.}
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\twocolitem{wxLIST\_NEXT\_ALL}{Searches for subsequent item by index.}
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\twocolitem{wxLIST\_NEXT\_BELOW}{Searches for an item below the specified item.}
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\twocolitem{wxLIST\_NEXT\_LEFT}{Searches for an item to the left of the specified item.}
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\twocolitem{wxLIST\_NEXT\_RIGHT}{Searches for an item to the right of the specified item.}
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\end{twocollist}
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{\it state} can be a bitlist of the following:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLIST\_STATE\_DONTCARE}{Don't care what the state is.}
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\twocolitem{wxLIST\_STATE\_DROPHILITED}{The item indicates it is a drop target.}
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\twocolitem{wxLIST\_STATE\_FOCUSED}{The item has the focus.}
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\twocolitem{wxLIST\_STATE\_SELECTED}{The item is selected.}
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\twocolitem{wxLIST\_STATE\_CUT}{The item is selected as part of a cut and paste operation.}
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\end{twocollist}
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\membersection{wxListCtrl::GetSelectedItemCount}\label{wxlistctrlgetselecteditemcount}
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\constfunc{int}{GetSelectedItemCount}{\void}
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Returns the number of selected items in the list control.
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\membersection{wxListCtrl::GetTextColour}\label{wxlistctrlgettextcolour}
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\constfunc{wxColour}{GetTextColour}{\void}
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Gets the text colour of the list control.
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\membersection{wxListCtrl::GetTopItem}\label{wxlistctrlgettopitem}
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\constfunc{long}{GetTopItem}{\void}
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Gets the index of the topmost visible item when in
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list or report view.
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\membersection{wxListCtrl::HitTest}\label{wxlistctrlhittest}
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\func{long}{HitTest}{\param{const wxPoint\& }{point}, \param{int\& }{flags}}
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Determines which item (if any) is at the specified point,
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giving details in {\it flags}. {\it flags} will be a combination of the following flags:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLIST\_HITTEST\_ABOVE}{Above the client area.}
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\twocolitem{wxLIST\_HITTEST\_BELOW}{Below the client area.}
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\twocolitem{wxLIST\_HITTEST\_NOWHERE}{In the client area but below the last item.}
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\twocolitem{wxLIST\_HITTEST\_ONITEMICON}{On the bitmap associated with an item.}
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\twocolitem{wxLIST\_HITTEST\_ONITEMLABEL}{On the label (string) associated with an item.}
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\twocolitem{wxLIST\_HITTEST\_ONITEMRIGHT}{In the area to the right of an item.}
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\twocolitem{wxLIST\_HITTEST\_ONITEMSTATEICON}{On the state icon for a tree view item that is in a user-defined state.}
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\twocolitem{wxLIST\_HITTEST\_TOLEFT}{To the right of the client area.}
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\twocolitem{wxLIST\_HITTEST\_TORIGHT}{To the left of the client area.}
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\twocolitem{wxLIST\_HITTEST\_ONITEM}{Combination of wxLIST\_HITTEST\_ONITEMICON, wxLIST\_HITTEST\_ONITEMLABEL,
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wxLIST\_HITTEST\_ONITEMSTATEICON.}
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\end{twocollist}
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\membersection{wxListCtrl::InsertColumn}\label{wxlistctrlinsertcolumn}
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\func{long}{InsertColumn}{\param{long }{col}, \param{wxListItem\& }{info}}
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For list view mode (only), inserts a column. For more details, see \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem}.
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\func{long}{InsertColumn}{\param{long }{col}, \param{const wxString\& }{heading}, \param{int }{format = wxLIST\_FORMAT\_LEFT},\rtfsp
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\param{int }{width = -1}}
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For list view mode (only), inserts a column. For more details, see \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem}.
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\membersection{wxListCtrl::InsertItem}\label{wxlistctrlinsertitem}
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\func{long}{InsertItem}{\param{wxListItem\& }{info}}
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Inserts an item, returning the index of the new item if successful,
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-1 otherwise.
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\func{long}{InsertItem}{\param{long }{index}, \param{const wxString\& }{label}}
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Inserts a string item.
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\func{long}{InsertItem}{\param{long }{index}, \param{int }{imageIndex}}
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Inserts an image item.
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\func{long}{InsertItem}{\param{long }{index}, \param{const wxString\& }{label}, \param{int }{imageIndex}}
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Insert an image/string item.
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\wxheading{Parameters}
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\docparam{info}{wxListItem object}
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\docparam{index}{Index of the new item, supplied by the application}
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\docparam{label}{String label}
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\docparam{imageIndex}{index into the image list associated with this control and view style}
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\membersection{wxListCtrl::ScrollList}\label{wxlistctrlscrolllist}
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\func{bool}{ScrollList}{\param{int }{dx}, \param{int }{dy}}
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Scrolls the list control. If in icon, small icon or report view mode,
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dx specifies the number of pixels to scroll. If in list view mode, dx
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specifies the number of columns to scroll.
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If in icon, small icon or list view mode, dy specifies the number of pixels
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to scroll. If in report view mode, dy specifies the number of lines to scroll.
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\membersection{wxListCtrl::SetBackgroundColour}\label{wxlistctrlsetbackgroundcolour}
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\func{void}{SetBackgroundColour}{\param{const wxColour\& }{col}}
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Sets the background colour (GetBackgroundColour already implicit in
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wxWindow class).
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\membersection{wxListCtrl::SetColumn}\label{wxlistctrlsetcolumn}
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\func{bool}{SetColumn}{\param{int }{col}, \param{wxListItem\& }{item}}
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Sets information about this column. See \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem} for more
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information.
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\membersection{wxListCtrl::SetColumnWidth}\label{wxlistctrlsetcolumnwidth}
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\func{bool}{SetColumnWidth}{\param{int }{col}, \param{int }{width}}
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Sets the column width.
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{\it width} can be a width in pixels or wxLIST\_AUTOSIZE (-1) or wxLIST\_AUTOSIZE\_USEHEADER (-2).
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In small or normal icon view, {\it col} must be -1, and the column width is set for all columns.
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\membersection{wxListCtrl::SetImageList}\label{wxlistctrlsetimagelist}
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\func{void}{SetImageList}{\param{wxImageList*}{ imageList}, \param{int }{which}}
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Sets the image list associated with the control. {\it which} is one of
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wxIMAGE\_LIST\_NORMAL, wxIMAGE\_LIST\_SMALL, wxIMAGE\_LIST\_STATE (the last is unimplemented).
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\membersection{wxListCtrl::SetItem}\label{wxlistctrlsetitem}
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\func{bool}{SetItem}{\param{wxListItem\& }{info}}
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Sets information about the item.
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wxListItem is a class with the following members:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{long m\_mask}{Indicates which fields are valid. See the list of valid mask flags below.}
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\twocolitem{long m\_itemId}{The zero-based item position.}
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\twocolitem{int m\_col}{Zero-based column, if in report mode.}
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\twocolitem{long m\_state}{The state of the item. See the list of valid state flags below.}
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\twocolitem{long m\_stateMask}{A mask indicating which state flags are valid. See the list of valid state flags below.}
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\twocolitem{wxString m\_text}{The label/header text.}
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\twocolitem{int m\_image}{The zero-based index into an image list.}
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\twocolitem{long m\_data}{Application-defined data.}
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\twocolitem{int m\_format}{For columns only: the format. Can be wxLIST\_FORMAT\_LEFT, wxLIST\_FORMAT\_RIGHT or
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wxLIST\_FORMAT\_CENTRE.}
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\twocolitem{int m\_width}{For columns only: the column width.}
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\end{twocollist}
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The {\bf m\_mask} member contains a bitlist specifying which of the other fields are valid. The flags are:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLIST\_MASK\_STATE}{The {\bf m\_state} field is valid.}
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\twocolitem{wxLIST\_MASK\_TEXT}{The {\bf m\_text} field is valid.}
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\twocolitem{wxLIST\_MASK\_IMAGE}{The {\bf m\_image} field is valid.}
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\twocolitem{wxLIST\_MASK\_DATA}{The {\bf m\_data} field is valid.}
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\twocolitem{wxLIST\_MASK\_WIDTH}{The {\bf m\_width} field is valid.}
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\twocolitem{wxLIST\_MASK\_FORMAT}{The {\bf m\_format} field is valid.}
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\end{twocollist}
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The {\bf m\_stateMask} and {\bf m\_state} members take flags from the following:
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLIST\_STATE\_DONTCARE}{Don't care what the state is.}
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\twocolitem{wxLIST\_STATE\_DROPHILITED}{The item is highlighted to receive a drop event.}
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\twocolitem{wxLIST\_STATE\_FOCUSED}{The item has the focus.}
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\twocolitem{wxLIST\_STATE\_SELECTED}{The item is selected.}
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\twocolitem{wxLIST\_STATE\_CUT}{The item is in the cut state.}
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\end{twocollist}
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\func{long}{SetItem}{\param{long }{index}, \param{int }{col}, \param{const wxString\& }{label}, \param{int }{imageId = -1}}
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Sets a string field at a particular column.
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\membersection{wxListCtrl::SetItemData}\label{wxlistctrlsetitemdata}
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\func{bool}{SetItemData}{\param{long }{item}, \param{long }{data}}
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Associates application-defined data with this item.
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\membersection{wxListCtrl::SetItemImage}\label{wxlistctrlsetitemimage}
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\func{bool}{SetItemImage}{\param{long }{item}, \param{int }{image}, \param{int }{selImage}}
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Sets the unselected and selected images associated with the item. The images are indices into the
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image list associated with the list control.
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\membersection{wxListCtrl::SetItemPosition}\label{wxlistctrlsetitemposition}
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\func{bool}{SetItemPosition}{\param{long }{item}, \param{const wxPoint\& }{pos}}
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Sets the position of the item, in icon or small icon view.
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\membersection{wxListCtrl::SetItemState}\label{wxlistctrlsetitemstate}
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\func{bool}{SetItemState}{\param{long }{item}, \param{long }{state}, \param{long }{stateMask}}
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Sets the item state. For a list of state flags, see \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem}.
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The {\bf stateMask} indicates which state flags are valid.
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\membersection{wxListCtrl::SetItemText}\label{wxlistctrlsetitemtext}
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\func{void}{SetItemText}{\param{long }{item}, \param{const wxString\& }{text}}
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Sets the item text for this item.
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\membersection{wxListCtrl::SetSingleStyle}\label{wxlistctrlsetsinglestyle}
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\func{void}{SetSingleStyle}{\param{long }{style}, \param{const bool }{add = TRUE}}
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Adds or removes a single window style.
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\membersection{wxListCtrl::SetTextColour}\label{wxlistctrlsettextcolour}
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\func{void}{SetTextColour}{\param{const wxColour\& }{col}}
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Sets the text colour of the list control.
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\membersection{wxListCtrl::SetWindowStyleFlag}\label{wxlistctrlsetwindowstyleflag}
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\func{void}{SetWindowStyleFlag}{\param{long }{style}}
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Sets the whole window style.
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\membersection{wxListCtrl::SortItems}\label{wxlistctrlsortitems}
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\func{bool}{SortItems}{\param{wxListCtrlCompare }{fn}, \param{long }{data}}
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Sorts the items in the list control.
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fn is a function which takes 3 long arguments: item1, item2, data.
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item1 is the long data associated with a first item (NOT the index).
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item2 is the long data associated with a second item (NOT the index).
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data is the same value as passed to SortItems.
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The return value is a negative number if the first item should precede the second
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item, a positive number of the second item should precede the first,
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or zero if the two items are equivalent.
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data is arbitrary data to be passed to the sort function.
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