public static void ExecuteUserClientContextForSPAppWebQuery <TContext>(ISPContext spContext, Func <TContext, Action> action)
where TContext : ClientContext
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
TContext clientContext = (TContext)spContext?.CreateUserClientContextForSPAppWeb();
if (clientContext != null)
{
using (clientContext)
{
Action result = action.Invoke(clientContext);
clientContext.ExecuteQuery();
result?.Invoke();
}
}
}