ConditionalScope using SharePoint Client Object Model

ClientContext context = new ClientContext("http://SiteUrl"); 

SP.List list = context.Web.GetCatalog(ListTemplateType.WebPartCatalog); 
BasePermissions perm = new BasePermissions(); 
perm.Set(PermissionKind.ManageLists); 

ConditionalScope scope = 
    new ConditionalScope(context, 
                         () => list.ServerObjectIsNull && context.Web.DoesUserHavePermissions(perm).Value); 
using (scope.StartScope()) 
{ 
    context.Load(list, l => l.Title); 
} 
context.ExecuteQuery(); 

label1.Text = scope.TestResult.Value; 

if (scope.TestResult.Value) 
{ 
    label1.Text = list.Title; 
}