public bool SetCurrentPosition(DirectoryPosition pos)
{
try
{
VFS.FullPath = pos.Path;
var vm = TryCreateViewModel(pos.Path.Last());
if (null == vm)
{
return(false);
}
ViewModel = vm;
if (null != pos.Item)
{
lv_SelectItem(pos.Item);
}
return(true);
}
catch (Exception X)
{
// if VFS.FullPath throws an exception, ViewModel becomes inconsistent at this point
// and should be rebuilt
ViewModel = CreateViewModel(VFS.Top.CurrentDirectory, true);
SetStatusText(X.Message);
return(false);
}
}
private void GoForwardExec(object sender, ExecutedRoutedEventArgs e)
{
DirectoryPosition current = m_history.Redo(GetCurrentPosition());
if (current != null)
{
SetCurrentPosition(current);
}
}
public void ChangePosition(DirectoryPosition new_pos)
{
var current = GetCurrentPosition();
if (!current.Path.SequenceEqual(new_pos.Path))
{
SaveCurrentPosition();
}
SetCurrentPosition(new_pos);
}
