/// <include file='doc\PerformanceCounterInstaller.uex' path='docs/doc[@for="PerformanceCounterInstaller.DoRollback"]/*' />
/// <devdoc>
/// Restores the registry to how it was before install, as saved in the state dictionary.
/// </devdoc>
private void DoRollback(IDictionary state)
{
//we need to remove the category key OR put old data back into the key
Context.LogMessage(Res.GetString(Res.RestoringPerformanceCounter, CategoryName));
using (RegistryKey servicesKey = Registry.LocalMachine.OpenSubKey("SYSTEM\\CurrentControlSet\\Services", true)) {
RegistryKey categoryKey = null;
if ((bool)state["categoryKeyExisted"])
{
categoryKey = servicesKey.OpenSubKey(CategoryName, true);
if (categoryKey == null)
{
categoryKey = servicesKey.CreateSubKey(CategoryName);
}
categoryKey.DeleteSubKeyTree("Performance");
SerializableRegistryKey performanceKeyData = (SerializableRegistryKey)state["performanceKeyData"];
if (performanceKeyData != null)
{
RegistryKey performanceKey = categoryKey.CreateSubKey("Performance");
performanceKeyData.CopyToRegistry(performanceKey);
performanceKey.Close();
}
categoryKey.DeleteSubKeyTree("Linkage");
SerializableRegistryKey linkageKeyData = (SerializableRegistryKey)state["linkageKeyData"];
if (linkageKeyData != null)
{
RegistryKey linkageKey = categoryKey.CreateSubKey("Linkage");
linkageKeyData.CopyToRegistry(linkageKey);
linkageKey.Close();
}
}
else
{
categoryKey = servicesKey.OpenSubKey(CategoryName);
if (categoryKey != null)
{
categoryKey.Close();
categoryKey = null;
servicesKey.DeleteSubKeyTree(CategoryName);
}
}
if (categoryKey != null)
{
categoryKey.Close();
}
}
}
// Restores the registry to the state it was in when SaveRegistryKey ran.
private void RestoreRegistryKey(SerializableRegistryKey serializable)
{
// A RegistryKey can't contain all the information necessary to serialize it,
// so we have to have prior knowledge about where to put the saved information.
// Luckily, we do. =)
RegistryKey regKey = Registry.LocalMachine;
regKey = regKey.OpenSubKey("SYSTEM\\CurrentControlSet\\Services\\EventLog", /*writable*/ true);
regKey = regKey.CreateSubKey(Log);
regKey = regKey.CreateSubKey(Source);
serializable.CopyToRegistry(regKey);
regKey.Close();
}
private void DoRollback(IDictionary state)
{
base.Context.LogMessage(Res.GetString("RestoringPerformanceCounter", new object[] { this.CategoryName }));
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Services", true))
{
RegistryKey key2 = null;
if ((bool)state["categoryKeyExisted"])
{
key2 = key.OpenSubKey(this.CategoryName, true);
if (key2 == null)
{
key2 = key.CreateSubKey(this.CategoryName);
}
key2.DeleteSubKeyTree("Performance");
SerializableRegistryKey key3 = (SerializableRegistryKey)state["performanceKeyData"];
if (key3 != null)
{
RegistryKey baseKey = key2.CreateSubKey("Performance");
key3.CopyToRegistry(baseKey);
baseKey.Close();
}
key2.DeleteSubKeyTree("Linkage");
SerializableRegistryKey key5 = (SerializableRegistryKey)state["linkageKeyData"];
if (key5 != null)
{
RegistryKey key6 = key2.CreateSubKey("Linkage");
key5.CopyToRegistry(key6);
key6.Close();
}
}
else
{
key2 = key.OpenSubKey(this.CategoryName);
if (key2 != null)
{
key2.Close();
key2 = null;
key.DeleteSubKeyTree(this.CategoryName);
}
}
if (key2 != null)
{
key2.Close();
}
}
}
/// <include file='doc\PerformanceCounterInstaller.uex' path='docs/doc[@for="PerformanceCounterInstaller.DoRollback"]/*' />
/// <devdoc>
/// Restores the registry to how it was before install, as saved in the state dictionary.
/// </devdoc>
private void DoRollback(IDictionary state)
{
//we need to remove the category key OR put old data back into the key
Context.LogMessage(Res.GetString(Res.RestoringPerformanceCounter, CategoryName));
SerializableRegistryKey categoryKeyData = (SerializableRegistryKey)state["categoryKeyData"];
RegistryKey servicesKey = Registry.LocalMachine.CreateSubKey("SYSTEM\\CurrentControlSet\\Services");
RegistryKey categoryKey = servicesKey.OpenSubKey(CategoryName);
if (categoryKey != null)
{
categoryKey.Close();
servicesKey.DeleteSubKeyTree(CategoryName);
}
//re-create key with old data ONLY if we had data saved into the hashtable
if (categoryKeyData != null)
{
categoryKey = servicesKey.CreateSubKey(CategoryName);
categoryKeyData.CopyToRegistry(categoryKey);
}
}
