Eliminate a warning

[wxWidgets.git] / src / msw / helpwin.cpp

diff --git a/src/msw/helpwin.cpp b/src/msw/helpwin.cpp
index 3b9ec5549d84da9ab2627df636da92446db22dc9..e33ad6c8de11f64d02ba42a8d35f494333cffc6c 100644 (file)
--- a/src/msw/helpwin.cpp
+++ b/src/msw/helpwin.cpp
@@ -63,7 +63,7 @@ bool wxWinHelpController::DisplayContents(void)
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_FINDER, 0L) != 0);
+    return (WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_FINDER, 0L) != 0);
 }
 
 bool wxWinHelpController::DisplaySection(int section)
@@ -73,7 +73,7 @@ bool wxWinHelpController::DisplaySection(int section)
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_CONTEXT, (DWORD)section) != 0);
+    return (WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_CONTEXT, (DWORD)section) != 0);
 }
 
 bool wxWinHelpController::DisplayContextPopup(int contextId)
@@ -82,7 +82,7 @@ bool wxWinHelpController::DisplayContextPopup(int contextId)
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_CONTEXTPOPUP, (DWORD) contextId) != 0);
+    return (WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_CONTEXTPOPUP, (DWORD) contextId) != 0);
 }
 
 bool wxWinHelpController::DisplayBlock(long block)
@@ -98,13 +98,14 @@ bool wxWinHelpController::KeywordSearch(const wxString& k,
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k) != 0);
+    return WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_PARTIALKEY,
+                   (ULONG_PTR)k.wx_str()) != 0;
 }
 
 // Can't close the help window explicitly in WinHelp
 bool wxWinHelpController::Quit(void)
 {
-    return (WinHelp(GetSuitableHWND(this), 0, HELP_QUIT, 0L) != 0);
+    return WinHelp(GetSuitableHWND(this), 0, HELP_QUIT, 0) != 0;
 }
 
 // Append extension if necessary.