X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e4de825ee6f3f991e2aa86159d6e3457afb6a8e0..5b88a837ba75928cd3835a6b97ae2bf5ad983a6e:/interface/wx/dataview.h diff --git a/interface/wx/dataview.h b/interface/wx/dataview.h index c4ac26a10b..79db099c1f 100644 --- a/interface/wx/dataview.h +++ b/interface/wx/dataview.h @@ -67,14 +67,14 @@ associating the model with a control like this: @code - wxDataViewCtrl *musicCtrl = new wxDataViewCtrl( this, ID_MUSIC_CTRL ); + wxDataViewCtrl *musicCtrl = new wxDataViewCtrl( this, wxID_ANY ); wxDataViewModel *musicModel = new MyMusicModel; - m_musicCtrl-AssociateModel( musicModel ); - musicModel-DecRef(); // avoid memory leak !! + m_musicCtrl->AssociateModel( musicModel ); + musicModel->DecRef(); // avoid memory leak !! + // add columns now @endcode - @library{wxadv} @category{dvc} */ @@ -107,7 +107,7 @@ public: virtual int Compare(const wxDataViewItem& item1, const wxDataViewItem& item2, unsigned int column, - bool ascending); + bool ascending) const; /** Override this to indicate that the item has special font attributes. @@ -485,10 +485,10 @@ public: wxDataViewCtrl is a control to display data either in a tree like fashion or in a tabular form or both. - + If you only need to display a simple tree structure with an API more like the older wxTreeCtrl class, then the specialized wxDataViewTreeCtrl can be used. - Likewise, if you only want to display simple table structure you can use + Likewise, if you only want to display simple table structure you can use the specialized wxDataViewListCtrl class. Both wxDataViewTreeCtrl and wxDataViewListCtrl can be used without defining your own wxDataViewModel. @@ -522,44 +522,48 @@ public: Display fine rules between columns is supported. @style{wxDV_VARIABLE_LINE_HEIGHT} Allow variable line heights. - This can be inefficient when displaying large number of items. + This can be inefficient when displaying large number of items. @endStyleTable - @beginEventTable{wxDataViewEvent} + @beginEventEmissionTable{wxDataViewEvent} @event{EVT_DATAVIEW_SELECTION_CHANGED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED event. + Process a @c wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED event. @event{EVT_DATAVIEW_ITEM_ACTIVATED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED event. + @event{EVT_DATAVIEW_ITEM_START_EDITING(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED event. This + event can be vetoed in order to prevent editing on an item by item + basis. Still experimental. @event{EVT_DATAVIEW_ITEM_EDITING_STARTED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED event. @event{EVT_DATAVIEW_ITEM_EDITING_DONE(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event. @event{EVT_DATAVIEW_ITEM_COLLAPSING(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING event. @event{EVT_DATAVIEW_ITEM_COLLAPSED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED event. @event{EVT_DATAVIEW_ITEM_EXPANDING(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING event. @event{EVT_DATAVIEW_ITEM_EXPANDED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED event. @event{EVT_DATAVIEW_ITEM_VALUE_CHANGED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED event. @event{EVT_DATAVIEW_ITEM_CONTEXT_MENU(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU event. @event{EVT_DATAVIEW_COLUMN_HEADER_CLICK(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICKED event. + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICKED event. @event{EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED event. + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED event. @event{EVT_DATAVIEW_COLUMN_SORTED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED event. + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED event. @event{EVT_DATAVIEW_COLUMN_REORDERED(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED event. + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED event. @event{EVT_DATAVIEW_ITEM_BEGIN_DRAG(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG event. @event{EVT_DATAVIEW_ITEM_DROP_POSSIBLE(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE event. @event{EVT_DATAVIEW_ITEM_DROP(id, func)} - Process a wxEVT_COMMAND_DATAVIEW_ITEM_DROP event. + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_DROP event. @endEventTable @library{wxadv} @@ -773,12 +777,12 @@ public: Enable drag operations using the given @a format. */ virtual bool EnableDragSource( const wxDataFormat &format ); - + /** Enable drop operations using the given @a format. */ virtual bool EnableDropTarget( const wxDataFormat &format ); - + /** Call this to ensure that the given item is visible. */ @@ -1373,7 +1377,7 @@ public: Override this and make it return @true in order to indicate that this renderer supports in-place editing. */ - virtual bool HasEditorCtrl(); + virtual bool HasEditorCtrl() const; /** Overrride this to react to a left click. @@ -1434,6 +1438,7 @@ public: /** The flags used by wxDataViewColumn. + Can be combined together. */ enum wxDataViewColumnFlags { @@ -1455,12 +1460,25 @@ enum wxDataViewColumnFlags @library{wxadv} @category{dvc} */ -class wxDataViewColumn : public wxHeaderColumn +class wxDataViewColumn : public wxSettableHeaderColumn { public: - //@{ /** - Constructors. + Constructs a text column. + + @param title + The title of the column. + @param renderer + The class which will render the contents of this column. + @param model_column + The index of the model's column which is associated with this object. + @param width + The width of the column. + The @c wxDVC_DEFAULT_WIDTH value is the fixed default value. + @param align + The alignment of the column title. + @param flags + One or more flags of the ::wxDataViewColumnFlags enumeration. */ wxDataViewColumn(const wxString& title, wxDataViewRenderer* renderer, @@ -1468,13 +1486,30 @@ public: int width = wxDVC_DEFAULT_WIDTH, wxAlignment align = wxALIGN_CENTER, int flags = wxDATAVIEW_COL_RESIZABLE); + + /** + Constructs a bitmap column. + + @param bitmap + The bitmap of the column. + @param renderer + The class which will render the contents of this column. + @param model_column + The index of the model's column which is associated with this object. + @param width + The width of the column. + The @c wxDVC_DEFAULT_WIDTH value is the fixed default value. + @param align + The alignment of the column title. + @param flags + One or more flags of the ::wxDataViewColumnFlags enumeration. + */ wxDataViewColumn(const wxBitmap& bitmap, wxDataViewRenderer* renderer, unsigned int model_column, int width = wxDVC_DEFAULT_WIDTH, wxAlignment align = wxALIGN_CENTER, int flags = wxDATAVIEW_COL_RESIZABLE); - //@} /** Returns the index of the column of the model, which this @@ -1507,22 +1542,29 @@ public: edit a small table of data without having to write your own wxDataViewModel. @code - wxDataViewListCtrl *listctrl = new wxDataViewListCtrl( parent, -1 ); - + wxDataViewListCtrl *listctrl = new wxDataViewListCtrl( parent, wxID_ANY ); + listctrl->AppendToggleColumn( "Toggle" ); listctrl->AppendTextColumn( "Text" ); - + wxVector data; - data.push_back( true ); - data.push_back( "row 1" ); + data.push_back( wxVariant(true) ); + data.push_back( wxVariant("row 1") ); listctrl->AppendItem( data ); - + data.clear(); - data.push_back( false ); - data.push_back( "row 3" ); + data.push_back( wxVariant(false) ); + data.push_back( wxVariant("row 3") ); listctrl->AppendItem( data ); @endcode - + + @beginStyleTable + See wxDataViewCtrl for the list of supported styles. + @endStyleTable + + @beginEventEmissionTable + See wxDataViewCtrl for the list of events emitted by this class. + @endEventTable @library{wxadv} @category{ctrl,dvc} @@ -1534,7 +1576,7 @@ public: Default ctor. */ wxDataViewListCtrl(); - + /** Constructor. Calls Create(). */ @@ -1542,7 +1584,7 @@ public: const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDV_ROW_LINES, const wxValidator& validator = wxDefaultValidator ); - + /** Destructor. Deletes the image list if any. */ @@ -1565,75 +1607,99 @@ public: //@} /** - Appends a column to the control and additonally appends a - column to the store with the type @a varianttype. + @name Column management functions */ - void AppendColumn( wxDataViewColumn *column, const wxString &varianttype ); - + //@{ + /** - Prepends a column to the control and additonally prepends a - column to the store with the type @a varianttype. + Appends a column to the control and additionally appends a + column to the store with the type string. */ - void PrependColumn( wxDataViewColumn *column, const wxString &varianttype ); - + virtual void AppendColumn( wxDataViewColumn *column ); + /** - Inserts a column to the control and additonally inserts a - column to the store with the type @a varianttype. + Appends a column to the control and additionally appends a + column to the list store with the type @a varianttype. */ - void InsertColumn( unsigned int pos, wxDataViewColumn *column, const wxString &varianttype ); - + void AppendColumn( wxDataViewColumn *column, const wxString &varianttype ); + /** - Overridden from wxDataViewCtrl + Appends a text column to the control and the store. - Appends a column to the control and additonally appends a - column to the store with the type string. + See wxDataViewColumn::wxDataViewColumn for more info about + the parameters. */ - virtual void AppendColumn( wxDataViewColumn *column ); - + wxDataViewColumn *AppendTextColumn( const wxString &label, + wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, + int width = -1, wxAlignment align = wxALIGN_LEFT, + int flags = wxDATAVIEW_COL_RESIZABLE ); + /** - Overridden from wxDataViewCtrl + Appends a toggle column to the control and the store. - Prepends a column to the control and additonally prepends a - column to the store with the type string. + See wxDataViewColumn::wxDataViewColumn for more info about + the parameters. */ - virtual void PrependColumn( wxDataViewColumn *column ); - + wxDataViewColumn *AppendToggleColumn( const wxString &label, + wxDataViewCellMode mode = wxDATAVIEW_CELL_ACTIVATABLE, + int width = -1, wxAlignment align = wxALIGN_LEFT, + int flags = wxDATAVIEW_COL_RESIZABLE ); + /** - Overridden from wxDataViewCtrl - - Inserts a column to the control and additonally inserts a + Appends a progress column to the control and the store. + + See wxDataViewColumn::wxDataViewColumn for more info about + the parameters. + */ + wxDataViewColumn *AppendProgressColumn( const wxString &label, + wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, + int width = -1, wxAlignment align = wxALIGN_LEFT, + int flags = wxDATAVIEW_COL_RESIZABLE ); + + /** + Appends an icon-and-text column to the control and the store. + + See wxDataViewColumn::wxDataViewColumn for more info about + the parameters. + */ + wxDataViewColumn *AppendIconTextColumn( const wxString &label, + wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, + int width = -1, wxAlignment align = wxALIGN_LEFT, + int flags = wxDATAVIEW_COL_RESIZABLE ); + + /** + Inserts a column to the control and additionally inserts a column to the store with the type string. */ virtual void InsertColumn( unsigned int pos, wxDataViewColumn *column ); - + /** - Inserts a text column to the control and the store. + Inserts a column to the control and additionally inserts a + column to the list store with the type @a varianttype. */ - wxDataViewColumn *AppendTextColumn( const wxString &label, - wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, - int width = -1, wxAlignment align = wxALIGN_LEFT, int flags = wxDATAVIEW_COL_RESIZABLE ); - + void InsertColumn( unsigned int pos, wxDataViewColumn *column, + const wxString &varianttype ); + /** - Inserts a toggle column to the control and the store. + Prepends a column to the control and additionally prepends a + column to the store with the type string. */ - wxDataViewColumn *AppendToggleColumn( const wxString &label, - wxDataViewCellMode mode = wxDATAVIEW_CELL_ACTIVATABLE, - int width = -1, wxAlignment align = wxALIGN_LEFT, int flags = wxDATAVIEW_COL_RESIZABLE ); - + virtual void PrependColumn( wxDataViewColumn *column ); + /** - Inserts a progress column to the control and the store. + Prepends a column to the control and additionally prepends a + column to the list store with the type @a varianttype. */ - wxDataViewColumn *AppendProgressColumn( const wxString &label, - wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, - int width = -1, wxAlignment align = wxALIGN_LEFT, int flags = wxDATAVIEW_COL_RESIZABLE ); - + void PrependColumn( wxDataViewColumn *column, const wxString &varianttype ); + + //@} + + /** - Inserts a icon and text column to the control and the store. + @name Item management functions */ - wxDataViewColumn *AppendIconTextColumn( const wxString &label, - wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, - int width = -1, wxAlignment align = wxALIGN_LEFT, int flags = wxDATAVIEW_COL_RESIZABLE ); - + //@{ + /** Appends an item (=row) to the control and store. */ @@ -1647,59 +1713,61 @@ public: /** Inserts an item (=row) to the control and store. */ - void InsertItem( unsigned int row, const wxVector &values, wxClientData *data = NULL ); - + void InsertItem( unsigned int row, const wxVector &values, wxClientData *data = NULL ); + /** Delete the row at position @a row. */ void DeleteItem( unsigned row ); - + /** Delete all items (= all rows). */ void DeleteAllItems(); - + /** Sets the value in the store and update the control. */ void SetValue( const wxVariant &value, unsigned int row, unsigned int col ); - + /** Returns the value from the store. */ void GetValue( wxVariant &value, unsigned int row, unsigned int col ); - + /** - Sets the value in the store and update the control. - + Sets the value in the store and update the control. + This method assumes that the a string is stored in respective column. */ void SetTextValue( const wxString &value, unsigned int row, unsigned int col ); - + /** Returns the value from the store. - + This method assumes that the a string is stored in respective column. */ wxString GetTextValue( unsigned int row, unsigned int col ) const; - + /** - Sets the value in the store and update the control. - + Sets the value in the store and update the control. + This method assumes that the a boolean value is stored in respective column. */ void SetToggleValue( bool value, unsigned int row, unsigned int col ); - + /** Returns the value from the store. - + This method assumes that the a boolean value is stored in respective column. */ bool GetToggleValue( unsigned int row, unsigned int col ) const; + + //@} }; @@ -1710,8 +1778,16 @@ public: and forwards most of its API to that class. Additionally, it uses a wxImageList to store a list of icons. - The main purpose of this class is to look like a wxTreeCtrl to make a transition - from it to the wxDataViewCtrl class simpler. + The main purpose of this class is to represent a possible replacement for + wxTreeCtrl. + + @beginStyleTable + See wxDataViewCtrl for the list of supported styles. + @endStyleTable + + @beginEventEmissionTable + See wxDataViewCtrl for the list of events emitted by this class. + @endEventTable @library{wxadv} @category{ctrl,dvc} @@ -1901,9 +1977,9 @@ public: its data is be accessed by row (i.e. by index) instead of only by wxDataViewItem. - This class actually stores the values (therefore its name) + This class actually stores the values (therefore its name) and implements all virtual methods from the base classes so it can be - used directly without having to derive any class from it, but it is + used directly without having to derive any class from it, but it is mostly used from within wxDataViewListCtrl. @library{wxadv} @@ -1914,77 +1990,77 @@ class wxDataViewListStore: public wxDataViewIndexListModel { public: /** - Constructor + Constructor */ wxDataViewListStore(); - + /** - Destructor + Destructor */ ~wxDataViewListStore(); /** - Prepends a data column. - - @a variantype indicates the type of values store in the column. - - This does not automatically fill in any (default) values in - rows which exist in the store already. + Prepends a data column. + + @a variantype indicates the type of values store in the column. + + This does not automatically fill in any (default) values in + rows which exist in the store already. */ void PrependColumn( const wxString &varianttype ); /** - Inserts a data column before @a pos. - - @a variantype indicates the type of values store in the column. - - This does not automatically fill in any (default) values in - rows which exist in the store already. + Inserts a data column before @a pos. + + @a variantype indicates the type of values store in the column. + + This does not automatically fill in any (default) values in + rows which exist in the store already. */ void InsertColumn( unsigned int pos, const wxString &varianttype ); /** - Apppends a data column. - - @a variantype indicates the type of values store in the column. - - This does not automatically fill in any (default) values in - rows which exist in the store already. + Appends a data column. + + @a variantype indicates the type of values store in the column. + + This does not automatically fill in any (default) values in + rows which exist in the store already. */ void AppendColumn( const wxString &varianttype ); - + /** Appends an item (=row) and fills it with @a values. - + The values must match the values specifies in the column in number and type. No (default) values are filled in automatically. */ void AppendItem( const wxVector &values, wxClientData *data = NULL ); - + /** Prepends an item (=row) and fills it with @a values. - + The values must match the values specifies in the column in number and type. No (default) values are filled in automatically. */ void PrependItem( const wxVector &values, wxClientData *data = NULL ); - + /** Inserts an item (=row) and fills it with @a values. - + The values must match the values specifies in the column in number and type. No (default) values are filled in automatically. */ void InsertItem( unsigned int row, const wxVector &values, wxClientData *data = NULL ); - + /** Delete the item (=row) at position @a pos. */ void DeleteItem( unsigned pos ); - + /** Delete all item (=all rows) in the store. */ @@ -2020,7 +2096,7 @@ public: wxDataViewTreeStore is a specialised wxDataViewModel for stroing simple trees very much like wxTreeCtrl does and it offers a similar API. - This class actually stores the entire tree and the values (therefore its name) + This class actually stores the entire tree and the values (therefore its name) and implements all virtual methods from the base class so it can be used directly without having to derive any class from it, but it is mostly used from within wxDataViewTreeCtrl. @@ -2207,6 +2283,43 @@ public: This is the event class for the wxDataViewCtrl notifications. + @beginEventTable{wxDataViewEvent} + @event{EVT_DATAVIEW_SELECTION_CHANGED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED event. + @event{EVT_DATAVIEW_ITEM_ACTIVATED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED event. + @event{EVT_DATAVIEW_ITEM_EDITING_STARTED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED event. + @event{EVT_DATAVIEW_ITEM_EDITING_DONE(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event. + @event{EVT_DATAVIEW_ITEM_COLLAPSING(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING event. + @event{EVT_DATAVIEW_ITEM_COLLAPSED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED event. + @event{EVT_DATAVIEW_ITEM_EXPANDING(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING event. + @event{EVT_DATAVIEW_ITEM_EXPANDED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED event. + @event{EVT_DATAVIEW_ITEM_VALUE_CHANGED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED event. + @event{EVT_DATAVIEW_ITEM_CONTEXT_MENU(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU event. + @event{EVT_DATAVIEW_COLUMN_HEADER_CLICK(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICKED event. + @event{EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED event. + @event{EVT_DATAVIEW_COLUMN_SORTED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED event. + @event{EVT_DATAVIEW_COLUMN_REORDERED(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED event. + @event{EVT_DATAVIEW_ITEM_BEGIN_DRAG(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG event. + @event{EVT_DATAVIEW_ITEM_DROP_POSSIBLE(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE event. + @event{EVT_DATAVIEW_ITEM_DROP(id, func)} + Process a @c wxEVT_COMMAND_DATAVIEW_ITEM_DROP event. + @endEventTable + @library{wxadv} @category{events,dvc} */ @@ -2265,43 +2378,43 @@ public: Sets the value associated with this event. */ void SetValue(const wxVariant& value); - + /** Set wxDataObject for data transfer within a drag operation. */ void SetDataObject( wxDataObject *obj ); - + /** Used internally. Gets associated wxDataObject for data transfer within a drag operation. */ wxDataObject *GetDataObject() const; - + /** Used internally. Sets the wxDataFormat during a drop operation. */ void SetDataFormat( const wxDataFormat &format ); - + /** Gets the wxDataFormat during a drop operation. */ wxDataFormat GetDataFormat() const; - + /** Used internally. Sets the data size for a drop data transfer. */ void SetDataSize( size_t size ); - + /** Gets the data size for a drop data transfer. */ size_t GetDataSize() const; - + /** Used internally. Sets the data buffer for a drop data transfer. */ void SetDataBuffer( void* buf ); - + /** Gets the data buffer for a drop data transfer. */