private static string GetFirstClientKey(WowRegistryKey key)
{
string homeKey = null;
if (key != null)
{
string[] keys = key.GetSubKeyNames();
int i = 0;
while ((i < keys.Length) && (homeKey == null))
{
if (keys[i].StartsWith("KEY_Everest") ||
keys[i].StartsWith("KEY_OraClient") ||
keys[i].StartsWith("KEY_OraOdac"))
{
homeKey = registryPrefix + @"\" + keys[i];
}
else
{
i++;
}
}
}
return(homeKey);
}
public void GetSubKeyNamesTest()
{
WowRegistryKey key = WowRegistry.LocalMachine.OpenSubKey(@"SOFTWARE\Oracle");
string[] names = key.GetSubKeyNames();
Assert.IsNotNull(names);
Assert.IsTrue(names.Length > 0);
foreach (string name in names)
{
Console.WriteLine(String.Format("Subkey name=[{0}]", name));
}
}
// 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);
}