public void WriteToJsonFile(ObservableCollectionModifed <Contact> contacts)
{
using (StreamWriter writer = File.CreateText(JsonPath))
{
serializer.Serialize(writer, contacts);
}
}
public static void WriteToJsonFile <T>(ObservableCollectionModifed <T> contacts, string path) where T : INotifyPropertyChanged
{
using (TextWriter writer = File.CreateText(path))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(writer, contacts);
}
}
public static async Task WriteToJsonFileAsync <T>(ObservableCollectionModifed <T> contacts, string path) where T : INotifyPropertyChanged
{
using (TextWriter writer = File.CreateText(path))
{
JsonSerializer serializer = new JsonSerializer();
await Task.Run(() => serializer.Serialize(writer, contacts));
}
}
public static ObservableCollectionModifed <Contact> LoadContacts(string path)
{
bool IsExist = File.Exists(path);
ObservableCollectionModifed <Contact> readContacts = null;
if (IsExist)
{
using (TextReader reader = File.OpenText(path))
{
readContacts = (ObservableCollectionModifed <Contact>)JsonConvert.DeserializeObject(reader.ReadToEnd(), typeof(ObservableCollectionModifed <Contact>));
}
}
else
{
File.CreateText(path);
}
return(readContacts ?? new ObservableCollectionModifed <Contact>());
}
public ObservableCollectionModifed <Contact> LoadContacts()
{
var IsExist = File.Exists(JsonPath);
ObservableCollectionModifed <Contact> readContacts = new ObservableCollectionModifed <Contact>();
if (IsExist)
{
using (StreamReader reader = File.OpenText(JsonPath))
{
JsonSerializer serializer = new JsonSerializer();
readContacts = (ObservableCollectionModifed <Contact>)serializer.Deserialize(reader, readContacts.GetType());
}
}
else
{
File.CreateText(JsonPath);
}
return(readContacts);
}
public Contact()
{
Marks = new ObservableCollectionModifed <MarkModel>();
Marks.CollectionChanged += Collection_ChangedInvoke;
}
