X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad81651f00edc6f489d9b6a0839d316a964fd521..9b58521dc97c069e4e3fc283a6d90497e1bcc80c:/src/os2/helpwin.cpp

diff --git a/src/os2/helpwin.cpp b/src/os2/helpwin.cpp
index 9e84bbf129..95f57925c1 100644
--- a/src/os2/helpwin.cpp
+++ b/src/os2/helpwin.cpp
@@ -32,7 +32,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
 
 wxWinHelpController::wxWinHelpController()
 {
-    m_helpFile = "";
+    m_helpFile = wxEmptyString;
 }
 
 wxWinHelpController::~wxWinHelpController()
@@ -96,7 +96,7 @@ bool wxWinHelpController::DisplayBlock(long block)
 
     wxString str = m_helpFile;
     size_t len = str.Length();
-    if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.'))
+    if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
       str += wxT(".hlp");
 
     if (wxTheApp->GetTopWindow())
@@ -108,9 +108,10 @@ bool wxWinHelpController::DisplayBlock(long block)
     return FALSE;
 }
 
-bool wxWinHelpController::KeywordSearch(const wxString& k)
+bool wxWinHelpController::KeywordSearch(const wxString& k,
+                                        wxHelpSearchMode WXUNUSED(mode))
 {
-    if (m_helpFile == "") return FALSE;
+    if (m_helpFile == wxEmptyString) return FALSE;
 
     wxString str = m_helpFile;
     size_t len = str.Length();