Dev/MouseUI.razor
@using Sandbox;
@using Sandbox.UI;

@inherits PanelComponent

<root>
    <div class="box" />
</root>

@code
{
	/// <summary>
	/// the hash determines if the system should be rebuilt. If it changes, it will be rebuilt
	/// </summary>
	protected override int BuildHash() => System.HashCode.Combine( Time.Now );
}