wxDFB: implemented Raise() and Lower() for TLWs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53979 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/dfb/nonownedwnd.cpp

@@ -259,6 +259,16 @@ bool wxNonOwnedWindow::Show(bool show)
     return true;
 }
 
+void wxNonOwnedWindow::Raise()
+{
+    m_dfbwin->RaiseToTop();
+}
+
+void wxNonOwnedWindow::Lower()
+{
+    m_dfbwin->LowerToBottom();
+}
+
 // ----------------------------------------------------------------------------
 // surfaces and painting
 // ----------------------------------------------------------------------------