+
+protected:
+
+ /**
+ This function may be overloaded in the derived class for a control with
+ @c wxLC_VIRTUAL style. It should return the attribute for the specified
+ @c item or @NULL to use the default appearance parameters.
+
+ wxListCtrl will not delete the pointer or keep a reference of it.
+ You can return the same wxListItemAttr pointer for every OnGetItemAttr() call.
+
+ The base class version always returns @NULL.
+
+ @see OnGetItemImage(), OnGetItemColumnImage(), OnGetItemText(),
+ OnGetItemColumnAttr()
+ */
+ virtual wxListItemAttr* OnGetItemAttr(long item) const;
+
+ /**
+ This function may be overridden in the derived class for a control with
+ @c wxLC_VIRTUAL style.
+
+ It should return the attribute for the for the specified @a item and @a
+ column or @NULL to use the default appearance parameters.
+
+ The base class version returns @c OnGetItemAttr(item).
+
+ @note Currently this function is only called under wxMSW, the other
+ ports only support OnGetItemAttr()
+
+ @see OnGetItemAttr(), OnGetItemText(),
+ OnGetItemImage(), OnGetItemColumnImage(),
+ */
+ virtual wxListItemAttr* OnGetItemColumnAttr(long item, long column) const;
+
+ /**
+ Overload this function in the derived class for a control with
+ @c wxLC_VIRTUAL and @c wxLC_REPORT styles in order to specify the image
+ index for the given line and column.
+
+ The base class version always calls OnGetItemImage() for the first column, else
+ it returns -1.
+
+ @see OnGetItemText(), OnGetItemImage(), OnGetItemAttr(),
+ OnGetItemColumnAttr()
+ */
+ virtual int OnGetItemColumnImage(long item, long column) const;
+
+ /**
+ This function must be overloaded in the derived class for a control with
+ @c wxLC_VIRTUAL style having an "image list" (see SetImageList(); if the
+ control doesn't have an image list, it is not necessary to overload it).
+ It should return the index of the items image in the controls image list
+ or -1 for no image.
+
+ In a control with @c wxLC_REPORT style, OnGetItemImage() only gets called for
+ the first column of each line.
+
+ The base class version always returns -1.
+
+ @see OnGetItemText(), OnGetItemColumnImage(), OnGetItemAttr()
+ */
+ virtual int OnGetItemImage(long item) const;
+
+ /**
+ This function @b must be overloaded in the derived class for a control with
+ @c wxLC_VIRTUAL style. It should return the string containing the text of
+ the given @a column for the specified @c item.
+
+ @see SetItemCount(), OnGetItemImage(), OnGetItemColumnImage(), OnGetItemAttr()
+ */
+ virtual wxString OnGetItemText(long item, long column) const;