public async Task RestoreAsync()
{
FileActionRequestEventArgs args = new FileActionRequestEventArgs(Name + "State");
await OnReadFromFileRequest(args);
if (args.Exception != null)
{
throw args.Exception;
}
if (args.InOutData == null)
{
return;
}
await Task.Run(() =>
{
MemoryStream ms = new MemoryStream();
ms.Write(args.InOutData, 0, args.InOutData.Length);
ms.Position = 0;
BinaryFormatter formatter = new BinaryFormatter();
formatter.Binder = new Binder();
var pluginViewModelState = (PluginViewModel)formatter.Deserialize(ms);
foreach (PropertyInfo property in pluginViewModelState.GetType().GetProperties())
{
try
{
property.SetValue(this, property.GetValue(pluginViewModelState, null));
}
catch (ArgumentException) { }
}
});
}
public async void ButtonClickHandler()
{
MessageBlock = "You just pressed the button!";
FileActionRequestEventArgs args = new FileActionRequestEventArgs("someFile");
await OnReadFromFileRequest(args);
}
public async Task DumpAsync()
{
if (_isChanged)
{
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
formatter.Serialize(ms, this);
FileActionRequestEventArgs args = new FileActionRequestEventArgs(Name + "State", ms.ToArray());
await OnWriteToFileRequest(args);
}
}
protected virtual async Task OnWriteToFileRequest(FileActionRequestEventArgs args)
{
await WriteToFileRequest?.Invoke(this, args);
}
protected virtual async Task OnReadFromFileRequest(FileActionRequestEventArgs args)
{
await ReadFromFileRequest?.Invoke(this, args);
}
