private void AddNewKeyHolder(RegistryKey registryKey)
{
RegistryKeyHolder3 newKeyHolder = new RegistryKeyHolder3(registryKey, 0);
newKeyHolder.PropertyChanged += new PropertyChangedEventHandler(KeyHolder_PropertyChanged);
this.allKeys.Add(newKeyHolder);
}
public void ClearSubKeys(RegistryKeyHolder3 parentKeyHolder)
{
int indexToRemove = this.allKeys.IndexOf(parentKeyHolder) + 1;
while ((indexToRemove < this.allKeys.Count) && (this.allKeys[indexToRemove].Level > parentKeyHolder.Level))
{
this.allKeys.RemoveAt(indexToRemove);
this.DataItemsCount--;
}
}
private void TreeItemDoubleClick(object sender, MouseButtonEventArgs e)
{
FrameworkElement fe = e.OriginalSource as FrameworkElement;
if (fe != null)
{
RegistryKeyHolder3 keyHolder = fe.DataContext as RegistryKeyHolder3;
if (keyHolder != null)
{
keyHolder.IsExpanded = !keyHolder.IsExpanded;
e.Handled = true;
}
}
}
void KeyHolder_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsExpanded")
{
RegistryKeyHolder3 keyHolder = (RegistryKeyHolder3)sender;
if (keyHolder.IsExpanded)
{
this.PopulateSubKeys(keyHolder);
}
else
{
this.ClearSubKeys(keyHolder);
}
}
}
public void PopulateSubKeys(RegistryKeyHolder3 parentKeyHolder)
{
int indexParentKey = this.allKeys.IndexOf(parentKeyHolder);
if (indexParentKey == this.allKeys.Count - 1 || this.allKeys[indexParentKey + 1].Level <= parentKeyHolder.Level)
{
string[] subKeyNames = parentKeyHolder.Key.GetSubKeyNames();
for (int i = 0; i < subKeyNames.Length; i++)
{
RegistryKeyHolder3 childKeyHolder = new RegistryKeyHolder3(parentKeyHolder.Key.OpenSubKey(subKeyNames[i]), parentKeyHolder.Level + 1);
childKeyHolder.PropertyChanged += new PropertyChangedEventHandler(KeyHolder_PropertyChanged);
allKeys.Insert(indexParentKey + i + 1, childKeyHolder);
this.DataItemsCount++;
}
}
}
