809e21b540
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48292 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
279 lines
10 KiB
TeX
279 lines
10 KiB
TeX
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\section{\class{wxDataViewCtrl}}\label{wxdataviewctrl}
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wxDataViewCtrl is a control to display data either
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in a tree like fashion or in a tabular form or both.
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Unlike \helpref{wxListCtrl}{wxlistctrl} wxDataViewCtrl doesn't
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get its data from the user through virtual functions or by
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setting it directly. Instead you need to write your own
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\helpref{wxDataViewModel}{wxdataviewmodel} and associate
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it with this control. Then you need to add a number of
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\helpref{wxDataViewColumn}{wxdataviewcolumn} to this control to
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define what each column shall display. Each wxDataViewColumn
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in turn owns 1 instance of a
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\helpref{wxDataViewRenderer}{wxdataviewrenderer} to render its
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cells. A number of standard renderers for rendering text, dates,
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images, toggle, a progress bar etc. are provided. Additionally,
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the user can write custom renderes deriving from
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\helpref{wxDataViewCustomRenderer}{wxdataviewcustomrenderer}
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for displaying anything.
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All data transfer from the control to the model and the user
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code is done through \helpref{wxVariant}{wxvariant} which can
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be extended to support more data formats as necessary.
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Accordingly, all type information uses the strings returned
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from \helpref{wxVariant::GetType}{wxvariantgettype}.
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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{wxDV\_SINGLE}}{Single selection mode. This is the default.}
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\twocolitem{\windowstyle{wxDV\_MULTIPLE}}{Multiple selection mode.}
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\end{twocollist}
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\wxheading{Event handling}
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To process input from a dataview control, use the following event handler
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macros to direct input to member functions that take a
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\helpref{wxDataViewEvent}{wxdataviewevent} argument.
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\twocolwidtha{7cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{{\bf EVT\_DATAVIEW\_ITEM\_SELECTED(id, func)}}{Processes a wxEVT\_COMMAND\_DATAVIEW\_ITEM\_SELECTED event.}
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\twocolitem{{\bf EVT\_DATAVIEW\_ITEM\_ACTIVATED(id, func)}}{Processes a wxEVT\_COMMAND\_DATAVIEW\_ITEM\_ACTIVATED event.}
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\twocolitem{{\bf EVT\_DATAVIEW\_COLUMN\_HEADER\_CLICK(id, func)}}{Processes a wxEVT\_COMMAND\_DATAVIEW\_COLUMN\_HEADER\_CLICKED event.}
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\twocolitem{{\bf EVT\_DATAVIEW\_COLUMN\_HEADER\_RIGHT\_CLICK(id, func)}}{Processes a wxEVT\_COMMAND\_DATAVIEW\_COLUMN\_HEADER\_RIGHT\_CLICKED event.}
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\twocolitem{{\bf EVT\_DATAVIEW\_COLUMN\_HEADER\_SORTED(id, func)}}{Processes a wxEVT\_COMMAND\_DATAVIEW\_COLUMN\_HEADER\_SORTED event.}
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\end{twocollist}
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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{Include files}
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<wx/dataview.h>
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\wxheading{Library}
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\helpref{wxAdv}{librarieslist}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxDataViewCtrl::wxDataViewCtrl}\label{wxdataviewctrlwxdataviewctrl}
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\func{}{wxDataViewCtrl}{\void}
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\func{}{wxDataViewCtrl}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}}
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Constructor. Calls \helpref{Create}{wxdataviewctrlcreate}.
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\membersection{wxDataViewCtrl::\destruct{wxDataViewCtrl}}\label{wxdataviewctrldtor}
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\func{}{\destruct{wxDataViewCtrl}}{\void}
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Destructor.
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\membersection{wxDataViewCtrl::AppendColumn}\label{wxdataviewctrlappendcolumn}
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\func{virtual bool}{AppendColumn}{\param{wxDataViewColumn* }{col}}
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Add a \helpref{wxDataViewColumn}{wxdataviewcolumn} to the control. Note
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that there is a number of short cut methods which implicitly create
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a \helpref{wxDataViewColumn}{wxdataviewcolumn} and a
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\helpref{wxDataViewRenderer}{wxdataviewrenderer} for it (see below).
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\membersection{wxDataViewCtrl::AppendBitmapColumn}\label{wxdataviewctrlappendbitmapcolumn}
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\func{bool}{AppendBitmapColumn}{\param{const wxString\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = -1}}
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\func{bool}{AppendBitmapColumn}{\param{const wxBitmap\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = -1}}
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Appends a column for rendering a bitmap.
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\membersection{wxDataViewCtrl::AppendDateColumn}\label{wxdataviewctrlappenddatecolumn}
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\func{bool}{AppendDateColumn}{\param{const wxString\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_ACTIVATABLE}, \param{int }{width = -1}}
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\func{bool}{AppendDateColumn}{\param{const wxBitmap\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_ACTIVATABLE}, \param{int }{width = -1}}
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Appends a column for rendering a date.
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\membersection{wxDataViewCtrl::AppendProgressColumn}\label{wxdataviewctrlappendprogresscolumn}
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\func{bool}{AppendProgressColumn}{\param{const wxString\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = 80}}
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\func{bool}{AppendProgressColumn}{\param{const wxBitmap\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = 80}}
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Appends a column for rendering a progress indicator.
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\membersection{wxDataViewCtrl::AppendTextColumn}\label{wxdataviewctrlappendtextcolumn}
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\func{bool}{AppendTextColumn}{\param{const wxString\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = -1}}
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\func{bool}{AppendTextColumn}{\param{const wxBitmap\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = -1}}
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Appends a column for rendering text.
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\membersection{wxDataViewCtrl::AppendToggleColumn}\label{wxdataviewctrlappendtogglecolumn}
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\func{bool}{AppendToggleColumn}{\param{const wxString\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = 30}}
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\func{bool}{AppendToggleColumn}{\param{const wxBitmap\& }{label}, \param{unsigned int }{model\_column}, \param{wxDataViewCellMode }{mode = wxDATAVIEW\_CELL\_INERT}, \param{int }{width = 30}}
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Appends a column for rendering a toggle.
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\membersection{wxDataViewCtrl::AssociateModel}\label{wxdataviewctrlassociatemodel}
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\func{virtual bool}{AssociateModel}{\param{wxDataViewModel* }{model}}
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Associates a \helpref{wxDataViewModel}{wxdataviewmodel} with the
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control.
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\membersection{wxDataViewCtrl::Create}\label{wxdataviewctrlcreate}
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\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}}
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Create the control. Useful for two step creation.
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\membersection{wxDataViewCtrl::ClearColumns}\label{wxdataviewctrlclearcolumns}
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\func{virtual bool}{ClearColumns}{\void}
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Removes all columns.
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\membersection{wxDataViewCtrl::ClearSelection}\label{wxdataviewctrlclearselection}
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\func{void}{ClearSelection}{\void}
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Unselects all rows.
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\membersection{wxDataViewCtrl::DeleteColumn}\label{wxdataviewctrldeletecolumn}
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\func{virtual bool}{DeleteColumn}{\param{unsigned int }{pos}}
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Deletes given column.
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\membersection{wxDataViewCtrl::GetColumn}\label{wxdataviewctrlgetcolumn}
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\func{virtual wxDataViewColumn*}{GetColumn}{\param{unsigned int }{pos}}
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Returns pointer to the column.
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\membersection{wxDataViewCtrl::GetModel}\label{wxdataviewctrlgetmodel}
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\func{virtual wxDataViewModel*}{GetModel}{\void}
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Returns pointer to the data model associated with the
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control (if any).
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\membersection{wxDataViewCtrl::GetColumnCount}\label{wxdataviewctrlgetcolumncount}
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\func{virtual unsigned int}{GetColumnCount}{\void}
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Returns the number of columns.
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\membersection{wxDataViewCtrl::EnsureVisible}\label{wxdataviewctrlensurevisible}
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\func{void}{EnsureVisible}{\param{const wxDataViewItem \& }{item}, \param{wxDataViewColumn* }{column = NULL}}
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Call this to ensure that the given item is visible.
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\membersection{wxDataViewCtrl::GetExpanderColumn}\label{wxdataviewctrlgetexpandercolumn}
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\constfunc{unsigned int}{GetExpanderColumn}{\void}
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Returns column containing the expanders.
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\membersection{wxDataViewCtrl::GetIndent}\label{wxdataviewctrlgetindent}
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\constfunc{int}{GetIndent}{\void}
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Returns indentation.
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\membersection{wxDataViewCtrl::GetItemRect}\label{wxdataviewctrlgetitemrect}
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\constfunc{wxRect}{GetItemRect}{\param{const wxDataViewItem\& }{item}, \param{unsigned int }{column}}
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Returns item rect.
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\membersection{wxDataViewCtrl::GetSelection}\label{wxdataviewctrlgetselection}
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\func{wxDataViewItem}{GetSelection}{\void}
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Returns first selected item or an invalid item if none is selected.
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\membersection{wxDataViewCtrl::GetSelections}\label{wxdataviewctrlgetselections}
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\constfunc{int}{GetSelections}{\param{wxDataViewItemArray \& }{sel}}
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Fills {\it sel} with currently selected items and returns
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their number.
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\membersection{wxDataViewCtrl::HitTest}\label{wxdataviewctrlhittest}
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\constfunc{void}{HitTest}{\param{const wxPoint\& }{point}, \param{wxDataViewItem\& }{item}, \param{unsigned int\& }{column}}
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Hittest.
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\membersection{wxDataViewCtrl::IsSelected}\label{wxdataviewctrlisselected}
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\constfunc{bool}{IsSelected}{\param{const wxDataViewItem \& }{item}}
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Return true if the item is selected.
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\membersection{wxDataViewCtrl::Select}\label{wxdataviewctrlselect}
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\func{void}{Select}{\param{const wxDataViewItem \& }{item}}
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Select the given item.
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\membersection{wxDataViewCtrl::SelectAll}\label{wxdataviewctrlselectall}
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\func{void}{SelectAll}{\void}
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Select all items.
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\membersection{wxDataViewCtrl::SetExpanderColumn}\label{wxdataviewctrlsetexpandercolumn}
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\func{void}{SetExpanderColumn}{\param{unsigned int }{col}}
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Set which column shall contain the tree-like expanders.
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\membersection{wxDataViewCtrl::SetIndent}\label{wxdataviewctrlsetindent}
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\func{void}{SetIndent}{\param{int }{indent}}
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Sets the indendation.
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\membersection{wxDataViewCtrl::SetSelections}\label{wxdataviewctrlsetselections}
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\func{void}{SetSelections}{\param{const wxDataViewItemArray \& }{sel}}
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Sets the selection to the array of wxDataViewItems.
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\membersection{wxDataViewCtrl::Unselect}\label{wxdataviewctrlunselect}
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\func{void}{Unselect}{\param{const wxDataViewItem \& }{item}}
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Unselect the given item.
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\membersection{wxDataViewCtrl::UnselectAll}\label{wxdataviewctrlunselectall}
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\func{void}{UnselectAll}{\void}
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Unselect all item. This method only has effect if multiple
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selections are allowed.
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