Added reg_key_exists() function.

diff --git a/include/MUtils/Registry.h b/include/MUtils/Registry.h
index 8467e27..3413034 100644 (file)
--- a/include/MUtils/Registry.h
+++ b/include/MUtils/Registry.h
@@ -82,6 +82,7 @@ namespace MUtils
                MUTILS_API bool reg_value_write (const reg_root_t &rootKey, const QString &keyName, const QString &valueName, const QString &value);
                MUTILS_API bool reg_value_read  (const reg_root_t &rootKey, const QString &keyName, const QString &valueName, quint32       &value);
                MUTILS_API bool reg_value_read  (const reg_root_t &rootKey, const QString &keyName, const QString &valueName, QString       &value);
+               MUTILS_API bool reg_key_exists  (const reg_root_t &rootKey, const QString &keyName);
                MUTILS_API bool reg_key_delete  (const reg_root_t &rootKey, const QString &keyName);
                MUTILS_API bool reg_enum_values (const reg_root_t &rootKey, const QString &keyName, QStringList &list);
                MUTILS_API bool reg_enum_subkeys(const reg_root_t &rootKey, const QString &keyName, QStringList &list);

diff --git a/src/Registry_Win32.cpp b/src/Registry_Win32.cpp
index 7c59b98..9df56db 100644 (file)
--- a/src/Registry_Win32.cpp
+++ b/src/Registry_Win32.cpp
@@ -341,6 +341,20 @@ bool MUtils::Registry::reg_enum_subkeys(const reg_root_t &rootKey, const QString
 }
 
 /*
+ * Check registry key existence
+ */
+bool MUtils::Registry::reg_key_exists(const reg_root_t &rootKey, const QString &keyName)
+{
+       HKEY hKey = NULL;
+       if(RegOpenKeyEx(registry_root(rootKey), MUTILS_WCHR(keyName), 0, STANDARD_RIGHTS_READ, &hKey) == ERROR_SUCCESS)
+       {
+               RegCloseKey(hKey);
+               return true;
+       }
+       return false;
+}
+
+/*
  * Delete registry key
  */
 bool MUtils::Registry::reg_key_delete(const reg_root_t &rootKey, const QString &keyName)