Final refactoring and implementation of delayed window deletion logic. Works worse now, but the changes are important and need to be checked in now

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4747 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 9 insertions, 0 deletions

diff --git a/NxWidgets/libnxwidgets/include/ilistdataeventhandler.hxx b/NxWidgets/libnxwidgets/include/ilistdataeventhandler.hxx
index b6119a2ae..26bf1411b 100644
--- a/NxWidgets/libnxwidgets/include/ilistdataeventhandler.hxx
+++ b/NxWidgets/libnxwidgets/include/ilistdataeventhandler.hxx
@@ -104,6 +104,15 @@ namespace NXWidgets
   {
   public:
     /**
+     * A virtual destructor is required in order to override the IListDataEventHandler
+     * destructor.  We do this because if we delete IListDataEventHandler, we want the
+     * destructor of the class that inherits from IListDataEventHandler to run, not this
+     * one.
+     */
+
+    virtual ~IListDataEventHandler(void) { }
+
+    /**
      * Handle data changes.
      *
      * @param e Event arguments.