/// <summary>
/// Pass in the outer class because C# doesn't provide
/// automatic access to outer classes. You do, however,
/// get access to private properties of the outer class.
/// </summary>
/// <param name="viewModel">The outer class (a view model)</param>
public AddOneCommand(ExampleViewModel viewModel)
{
this._viewModel = viewModel;
}
public SubtractOneCommand(ExampleViewModel viewModel)
{
this._viewModel = viewModel;
}
