public void OpenSubKeyTest()
{
WowRegistryKey key = WowRegistry.LocalMachine.OpenSubKey(@"SOFTWARE\Oracle");
Assert.IsNotNull(key);
WowRegistryKey subkey = key.OpenSubKey("KEY_OraDb11g_home1");
Assert.IsNotNull(subkey);
}
// Different versions of Oracle place the ODP.NET key in different locations
// under the HKLM\SOFTWARE\ORACLE key. So recurse down the subtree until it
// is found.
private static bool HasOdpNetKey(WowRegistryKey key)
{
string[] keys = key.GetSubKeyNames();
bool found = false;
int i = 0;
while ((i < keys.Length) && !found)
{
if (!(found = keys[i].Equals("ODP.NET")))
{
if (!(found = HasOdpNetKey(key.OpenSubKey(keys[i]))))
{
i++;
}
}
}
return(found);
}
private static string GetHomeKey(WowRegistryKey key)
{
string homeKey = (string)key.GetValue("ORACLE_HOME_KEY");
if ((homeKey == null) && (key != null))
{
string[] keys = key.GetSubKeyNames();
int i = 0;
while ((i < keys.Length) && (homeKey == null))
{
var subkey = key.OpenSubKey(keys[i]);
if ((homeKey = GetHomeKey(subkey)) == null)
{
i++;
}
}
}
return(homeKey);
}