toaster.cshtml

<div>
@if (_toasterState.State.Equals("on", StringComparison.InvariantCultureIgnoreCase))
{
    <a @onclick="PowerOn"><img src="toaster-off.png" alt="Toaster"/></a>
}

@if (_toasterState.State.Equals("off", StringComparison.InvariantCultureIgnoreCase))
{
    <a @onclick="PowerOff"><img src="toaster-on.png" alt="Toaster"/></a>
}
</div>

<div>
    <img src="dial_knob.png" alt="Strength"/>
    <input type="number" @bind="_toasterState.Strength"/><button @onclick="SetStrength">Set</button>
</div>