Avoid conversions between OUString and OString in VCL

Standardize on OUString, which is the main internal string class.
Convert from/to OUString only when communicating with respective
external APIs.

Removes about 200 conversions from the code.

Change-Id: I96ecee7c6fd271bb76639220e96d69d2964bed26
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/149930
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/dbaccess/source/ui/inc/sqlmessage.hxx b/dbaccess/source/ui/inc/sqlmessage.hxx
index ad6cb25b4d63..481732985d12 100644
--- a/dbaccess/source/ui/inc/sqlmessage.hxx
+++ b/dbaccess/source/ui/inc/sqlmessage.hxx
@@ -106,7 +106,7 @@ public:
                 const ::dbtools::SQLExceptionInfo* _pAdditionalErrorInfo = nullptr );
 
     void set_title(const OUString& rTitle) { m_xDialog->set_title(rTitle); }
-    void add_button(const OUString& rText, int nResponse, const OString& rHelpId = OString()) { m_xDialog->add_button(rText, nResponse, rHelpId); }
+    void add_button(const OUString& rText, int nResponse, const OUString& rHelpId = {}) { m_xDialog->add_button(rText, nResponse, rHelpId); }
     void set_default_response(int nResponse) { m_xDialog->set_default_response(nResponse); }
 
     virtual ~OSQLMessageBox() override;