crystall-punk-14/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml.cs

using Content.Client.SubFloor;
using Robust.Client.AutoGenerated;
using Robust.Client.UserInterface.CustomControls;
using Robust.Client.UserInterface.XAML;

namespace Content.Client.UserInterface.Systems.Sandbox.Windows;

[GenerateTypedNameReferences]
public sealed partial class SandboxWindow : DefaultWindow
{
    [Dependency] private readonly IEntityManager _entManager = null!;

    public SandboxWindow()
    {
        RobustXamlLoader.Load(this);
        IoCManager.InjectDependencies(this);
    }

    protected override void Opened()
    {
        base.Opened();
        // Make sure state is up to date.
        ToggleSubfloorButton.Pressed = _entManager.System<SubFloorHideSystem>().ShowAll;
    }
}