Small doc updates, mainly wxDropTarget,

wxFileDlg now interprets a default dir of "." as
    the current working dir,
  dialog and frame honour "wxApp::DeleteFrameOnExit".


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5134 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/frame.cpp

@@ -504,8 +504,11 @@ wxFrame::~wxFrame()
     if (wxTheApp->GetTopWindow() == this)
         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 
-    if (wxTopLevelWindows.Number() == 0)
+    if ((wxTopLevelWindows.Number() == 0) &&
+        (wxTheApp->GetExitOnFrameDelete()))
+    {
         wxTheApp->ExitMainLoop();
+    }
 }
 
 // ----------------------------------------------------------------------------