sbox-public/game/addons/menu/Code/Modals/Settings/DeveloperSettings.razor

@using Sandbox.UI;
@using Sandbox.Internal;
@using Sandbox;
@namespace MenuProject.Settings
@inherits Panel
@page "/settings/developer"

<root class="page-inner">

    <div class="page-content">

        <h2>Console</h2>

        <row class="with-gaps">
            <cell class="glass with-padding is-label">
                Console Overlay
            </cell>
            <ButtonGroup class="glass with-grow" ButtonClass="glass with-grow with-click" Options=@ConsoleOverlayOptions Value:bind=@ShowConsoleOverlay></ButtonGroup>
        </row>

	</div>

     <div class="with-grow"></div>

     <SettingsFooter OnCancel=@OnCancel OnRestore=@OnRestore OnApply=@OnApply></SettingsFooter>

</root>


@code
{

    List<Option> ConsoleOverlayOptions = new List<Option>()
    {
        new Option("Off", false),
        new Option("On", true),
    };

    bool ShowConsoleOverlay = false;

    protected override void OnAfterTreeRender(bool firstTime)
    {
        base.OnAfterTreeRender(firstTime);

        if (!firstTime)
            return;

        OnCancel();
    }

    public void OnRestore()
    {
        ConsoleSystem.SetValue("consoleoverlay", false);
        OnCancel();
    }

    public void OnCancel()
    {
        bool.TryParse(ConsoleSystem.GetValue("consoleoverlay"), out bool ShowConsoleOverlay);
    }

    public void OnApply()
    {
        ConsoleSystem.SetValue("consoleoverlay", ShowConsoleOverlay);
    }

}