WinFormsBitmapGameHost.cs

using Gondwana.WinForms.Rendering;
 
namespace Gondwana.WinForms.Hosting;

public abstract class WinFormsGameHost : WinFormsGameHostBase
{
    public WinFormBitmapRenderSurfaceControl RenderSurface { get; }

    protected WinFormsGameHost(WinFormBitmapRenderSurfaceControl renderSurface)
        : this(new SurfaceInitialization(renderSurface))
    {
    }
 
    private WinFormsGameHost(SurfaceInitialization initialization)
        : base(initialization.RenderSurface, initialization.RenderSurface.Host.Bind)
    {
        RenderSurface = initialization.RenderSurface;
    }
 
    private sealed class SurfaceInitialization
    {
        public WinFormBitmapRenderSurfaceControl RenderSurface { get; }

        public SurfaceInitialization(WinFormBitmapRenderSurfaceControl renderSurface)
        {
            RenderSurface = renderSurface ?? throw new ArgumentNullException(nameof(renderSurface));
        }
    }

    protected sealed override void OnInputConfigured()
    {
        base.OnInputConfigured();
 
        InitializeWidgetInput(RenderSurface.Host);
    }
}