private void AddDescriptor(UserDescriptor descriptor)
{
var viewModel = descriptor.Host == null?this.CreateInstance(this.authentication, descriptor, this.Owner) : descriptor.Host as UserTreeItemBase;
viewModel.Parent = this;
descriptor.Host = viewModel;
}
private void RemoveDescriptor(UserDescriptor descriptor)
{
foreach (var item in this.Items.ToArray())
{
if (item is UserTreeItemBase viewModel && viewModel.Descriptor == descriptor)
{
this.Items.Remove(viewModel);
}
}
}
protected virtual UserTreeItemBase CreateInstance(Authentication authentication, UserDescriptor descriptor, object owner)
{
return(new UserTreeItemBase(authentication, descriptor, owner));
}