public void Execute(object parameter)
{
if (Interlocked.Exchange(ref _canExecute, 0) != 1)
{
return;
}
CanExecuteChanged.NullSafeInvoke(this, new EventArgs());
try
{
_action.Invoke();
}
catch (Exception ex)
{
UiHelper.ShowError(null, ex);
}
Interlocked.Exchange(ref _canExecute, 1);
CanExecuteChanged.NullSafeInvoke(this, new EventArgs());
}
private void ClearContent()
{
try
{
if (CheckAccess())
{
_treeView.ItemsSource = null;
_listView.ItemsSource = null;
IsEnabled = false;
}
else
{
Dispatcher.Invoke(ClearContent);
}
}
catch (Exception ex)
{
UiHelper.ShowError(this, ex);
}
}
private async Task RefreshContent(GameLocationInfo obj)
{
try
{
if (CheckAccess())
{
_treeNodes = await obj.ArchivesTree;
_treeView.ItemsSource = _treeNodes;
SelectNode();
IsEnabled = true;
}
else
{
await Dispatcher.Invoke(async() => await RefreshContent(obj));
}
}
catch (Exception ex)
{
ClearContent();
UiHelper.ShowError(this, ex);
}
}
private string FormatValue(long value)
{
return(_units == UiProgressUnits.Items ? value.ToString(CultureInfo.CurrentCulture) : UiHelper.FormatBytes(value));
}