diff --git a/core/config.cpp b/core/config.cpp
index 9ae92e6..e838a33 100755
--- a/core/config.cpp
+++ b/core/config.cpp
@@ -434,6 +434,28 @@ bool Config::ListText(const std::wstring & name, std::vector<std::wstring> & lis
 }
 
 
+
+bool Config::HasValue(const wchar_t * name, const wchar_t * value)
+{
+	return space.HasValue(name, value);
+}
+
+bool Config::HasValue(const wchar_t * name, const std::wstring & value)
+{
+	return space.HasValue(name, value);
+}
+
+bool Config::HasValue(const std::wstring & name, const wchar_t * value)
+{
+	return space.HasValue(name, value);
+}
+
+bool Config::HasValue(const std::wstring & name, const std::wstring & value)
+{
+	return space.HasValue(name, value);
+}
+
+
 void Config::Print(std::wostream & out)
 {
 	space.Serialize(out);
diff --git a/core/config.h b/core/config.h
index 0d53424..9b69fd1 100755
--- a/core/config.h
+++ b/core/config.h
@@ -616,6 +616,11 @@ public:
 	bool ListText(const wchar_t * name, std::vector<std::wstring> & list);
 	bool ListText(const std::wstring & name, std::vector<std::wstring> & list);
 
+	bool HasValue(const wchar_t * name, const wchar_t * value);
+	bool HasValue(const wchar_t * name, const std::wstring & value);
+	bool HasValue(const std::wstring & name, const wchar_t * value);
+	bool HasValue(const std::wstring & name, const std::wstring & value);
+
 	// for debug
 	void Print(std::wostream & out);