protected async Task <VisionDataModel> ReadDataAsync()
{
var result = await StateManager.TryGetStateAsync <VisionDataModel>(Key);
if (result.HasValue)
{
return(result.Value);
}
else
{
var tr = new VisionDataModel();
await SaveDataAsync(tr);
return(tr);
}
}
protected Task SaveDataAsync(VisionDataModel tr)
{
return(this.StateManager.SetStateAsync <VisionDataModel>(Key, tr));
}
