Document wxListCtrl::InReportView() and IsVirtual().

These functions are more convenient than directly testing for styles and are
already used outside wxWidgets do make them officially part of the public API.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70075 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/listctrl.h

@@ -642,6 +642,11 @@ public:
     */
     long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;
 
+    /**
+        Returns true if the control is currently using ::wxLC_REPORT style.
+     */
+    bool InReportView() const;
+
     /**
         For report view mode (only), inserts a column. For more details, see SetItem().
     */
@@ -707,6 +712,11 @@ public:
     long InsertItem(long index, const wxString& label,
                     int imageIndex);
 
+    /**
+        Returns true if the control is currently in virtual report view.
+     */
+    bool IsVirtual() const;
+
     /**
         Redraws the given @e item.