// Sort the private list in the model
// Supply a Comparison delegate to customize Sort(Comparison<T>)
public void SortPersons(string title, Comparison <MyPerson> c)
{
Console.WriteLine("\n\t DemoCollections.SortPersons()...");
Console.WriteLine($"{title} {DemoCollectionsPersonsList.Count} elements in list.");
DemoCollectionsPersonsList.Sort(c); // sort using supplied Comparison<T> delegate
DemoCollectionsPersonsList.ForEach(person => Console.Write($"{person}; "));
//foreach (var person in DemoCollectionsPersons) Console.Write($"{person}, ");
Console.WriteLine($" First: {DemoCollectionsPersonsList[0]} Last: {DemoCollectionsPersonsList[DemoCollectionsPersonsList.Count - 1]}");
Console.WriteLine("\n\t DemoCollections.SortPersons()... done!");
}
public void UpdatePersons()
{
Console.WriteLine("\n\t DemoCollections.UpdatePersons()... ");
int offset = 100;
Console.WriteLine($"{DemoCollectionsPersonsList.Count} persons in list.");
DemoCollectionsPersonsList.ForEach(person => Console.Write($"{person}; "));
Console.WriteLine($"\nAge by {offset} years:");
DemoCollectionsPersonsList.ForEach(p => p.Age = p.Age + offset);
DemoCollectionsPersonsList.ForEach(person => Console.Write($"{person}; "));
Console.WriteLine("\n\t DemoCollections.UpdatePersons()... done!");
}
