added wxTaskBarIcon::Destroy()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48076 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/taskbar.h

@@ -35,6 +35,9 @@ public:
     virtual bool RemoveIcon() = 0;
     virtual bool PopupMenu(wxMenu *menu) = 0;
 
+    // delayed destruction (similarly to wxWindow::Destroy())
+    void Destroy();
+
 protected:
     // creates menu to be displayed when user clicks on the icon
     virtual wxMenu *CreatePopupMenu() { return NULL; }