When should you use Task.Run() rather than await?

Question

I am storing the state of my data model. I clone the data model and then want to have it written to \"disk\" asynchronously.

Should I be using Task.Run() which runs it o

Answer 1

You should use Task.Run for CPU-based work that you want to run on a thread pool thread.

In your situation, you want to do I/O based work without blocking the UI, so Task.Run won't get you anything (unless you don't have asynchronous I/O APIs available).

As a side note, you definitely do want to await this work. This makes error handling much cleaner.

So, something like this should suffice:

async void buttonSaveClick(..)
{
  buttonSave.Enabled = false;

  try
  {
    await myModel.Clone().SaveAsync();
  }
  catch (Exception ex)
  {
    // Display error.
  }

  buttonSave.Enabled = true;
}