private async Task UpdateDetailsGridAsync(RegistryTreeItem item)
{
values.Items.Clear();
// Wait a bit in case the user moved to a different tree node quickly
await Task.Delay(200);
// Another tree node was selected in the meantime.
if (item != tree.SelectedItem)
{
return;
}
if (item.Key.ValueCount > 0)
{
IOrderedEnumerable <string> names = item.Key.GetValueNames().OrderBy(x => x);
using (Dispatcher.DisableProcessing())
{
foreach (string name in names)
{
RegistryValueKind type = item.Key.GetValueKind(name);
object value = item.Key.GetValue(name);
if (type == RegistryValueKind.Binary && value is byte[] bytes)
{
value = BitConverter.ToString(bytes).Replace("-", " ");
}
else if (type == RegistryValueKind.DWord && value is int dword)
{
value = string.Format("0x{0:X}", dword) + $" ({dword})";
}
else if (type == RegistryValueKind.QWord && value is long qword)
{
value = string.Format("0x{0:X}", qword).ToLowerInvariant() + $" ({qword})";
}
string displayName = string.IsNullOrEmpty(name) ? "(Default)" : name;
values.Items.Add(new { Name = displayName, Type = type, Value = value });
}
}
}
else
{
values.Items.Add(_defaultValue);
}
}
private void PopulateNode(RegistryTreeItem item)
{
if (item.HasItems || item.Key.SubKeyCount == 0)
{
return;
}
using (Dispatcher.DisableProcessing())
{
foreach (string name in item.Key.GetSubKeyNames())
{
RegistryKey subkey = item.Key.OpenSubKey(name, false);
var child = new RegistryTreeItem(subkey);
item.Items.Add(child);
}
}
}
private void OnLoaded(object sender, System.Windows.RoutedEventArgs e)
{
tree.Items.Clear();
foreach (RegistryKey key in _keys)
{
var item = new RegistryTreeItem(key, true);
tree.Items.Add(item);
if (tree.SelectedItem == null)
{
item.IsSelected = true;
}
}
Focus();
}
public void Refresh(RegistryTreeItem item)
{
Items.Clear();
PopulateNode(item);
item.IsExpanded = true;
}
private void OnItemSelected(object sender, RegistryTreeItem e)
{
UpdateDetailsGridAsync(e).ConfigureAwait(false);
}
