.empty() string decorations

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31870 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/choice.cpp

@@ -141,7 +141,7 @@ bool wxChoice::CreateAndInit(wxWindow *parent,
         return false;
 
     // now create the real HWND
-    if ( !MSWCreateControl(wxT("COMBOBOX"), _T(""), pos, size) )
+    if ( !MSWCreateControl(wxT("COMBOBOX"), wxEmptyString, pos, size) )
         return false;
 
 

src/msw/datectrl.cpp

@@ -136,7 +136,7 @@ wxDatePickerCtrl::Create(wxWindow *parent,
         return false;
 
     // create the native control
-    if ( !MSWCreateControl(DATETIMEPICK_CLASS, _T(""), pos, size) )
+    if ( !MSWCreateControl(DATETIMEPICK_CLASS, wxEmptyString, pos, size) )
         return false;
 
     if ( dt.IsValid() )

src/msw/debughlp.cpp

@@ -672,7 +672,7 @@ extern "C" void DumpTI(ULONG ti)
     }
 
     OutputDebugString(wxString::Format(_T("tag=%s%s"),
-                      nested ? _T("nested ") : _T(""),
+                      nested ? _T("nested ") : wxEmptyString,
                       TagString(tag).c_str()));
     if ( tag == wxDbgHelpDLL::SYMBOL_TAG_UDT )
     {

src/msw/listctrl.cpp

@@ -350,7 +350,7 @@ bool wxListCtrl::Create(wxWindow *parent,
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return false;
 
-    if ( !MSWCreateControl(WC_LISTVIEW, _T(""), pos, size) )
+    if ( !MSWCreateControl(WC_LISTVIEW, wxEmptyString, pos, size) )
         return false;
 
     // explicitly say that we want to use Unicode because otherwise we get ANSI

src/msw/printdlg.cpp

@@ -94,8 +94,8 @@ static wxString wxGetPrintDlgError()
 static HGLOBAL wxCreateDevNames(const wxString& driverName, const wxString& printerName, const wxString& portName)
 {
     HGLOBAL hDev = NULL;
-    // if (!driverName.IsEmpty() && !printerName.IsEmpty() && !portName.IsEmpty())
-    if (driverName.IsEmpty() && printerName.IsEmpty() && portName.IsEmpty())
+    // if (!driverName.empty() && !printerName.empty() && !portName.empty())
+    if (driverName.empty() && printerName.empty() && portName.empty())
     {
     }
     else
@@ -299,7 +299,7 @@ bool wxWindowsPrintNativeData::TransferTo( wxPrintData &data )
             // Not sure if we should check for this mismatch
 //            wxASSERT_MSG( (m_printerName == "" || (devName == m_printerName)), "Printer name obtained from DEVMODE and DEVNAMES were different!");
 
-            if (printerName != wxT(""))
+            if (!printerName.empty())
                 data.SetPrinterName( printerName );
 
             GlobalUnlock(hDevNames);
@@ -391,7 +391,7 @@ bool wxWindowsPrintNativeData::TransferFrom( const wxPrintData &data )
 
         //// Printer name
         wxString name = data.GetPrinterName();
-        if (name != wxT(""))
+        if (!name.empty())
         {
             //int len = wxMin(31, m_printerName.Len());
             wxStrncpy((wxChar*)devMode->dmDeviceName,name.c_str(),31);
@@ -505,7 +505,7 @@ bool wxWindowsPrintNativeData::TransferFrom( const wxPrintData &data )
     }
 
     // TODO: I hope it's OK to pass some empty strings to DEVNAMES.
-    m_devNames = (void*) (long) wxCreateDevNames(wxT(""), data.GetPrinterName(), wxT(""));
+    m_devNames = (void*) (long) wxCreateDevNames(wxEmptyString, data.GetPrinterName(), wxEmptyString);
 
     return true;
 }

src/msw/stackwalk.cpp

@@ -128,7 +128,7 @@ wxStackFrame::GetParam(size_t n,
 
 void wxStackFrame::OnParam(PSYMBOL_INFO pSymInfo)
 {
-    m_paramTypes.Add(_T(""));
+    m_paramTypes.Add(wxEmptyString);
 
     m_paramNames.Add(wxString::FromAscii(pSymInfo->Name));
 
@@ -154,7 +154,7 @@ void wxStackFrame::OnParam(PSYMBOL_INFO pSymInfo)
     __except ( EXCEPTION_EXECUTE_HANDLER )
 #endif
     {
-        m_paramValues.Add(_T(""));
+        m_paramValues.Add(wxEmptyString);
     }
 }
 

src/msw/tabctrl.cpp

@@ -145,7 +145,7 @@ bool wxTabCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case TTN_NEEDTEXT:
         {
             // TODO
-//            if (tool->m_shortHelpString != "")
+//            if (!tool->m_shortHelpString.empty())
 //                ttText->lpszText = (char *) (const char *)tool->m_shortHelpString;
         }
 #endif

src/msw/treectrl.cpp

@@ -926,7 +926,7 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
-    wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") );
 
     wxChar buf[512];  // the size is arbitrary...