更换为wpf

SFMLRenderer/SFMLHwndHost.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
+using System.Windows.Interop;
+using System.Windows.Media;
+
+namespace SFMLRenderer
+{
+    public class SFMLHwndHost : HwndHost
+    {
+        private HwndSource? _hwndSource;
+        private SFML.Graphics.RenderWindow? _renderWindow;
+
+        public SFML.Graphics.RenderWindow? RenderWindow => _renderWindow;
+
+        public event EventHandler? RenderWindowBuilded;
+        public event EventHandler? RenderWindowDestroying;
+
+        protected override HandleRef BuildWindowCore(HandleRef hwndParent)
+        {
+            var ps = new HwndSourceParameters(GetType().Name, (int)Width, (int)Height)
+            {
+                ParentWindow = hwndParent.Handle,
+                WindowStyle = 0x40000000 | 0x10000000, // WS_CHILD | WS_VISIBLE
+                HwndSourceHook = HwndMessageHook
+            };
+            _hwndSource = new HwndSource(ps);
+            _renderWindow = new(_hwndSource.Handle);
+            _renderWindow.SetActive(false);
+
+            RenderWindowBuilded?.Invoke(this, EventArgs.Empty);
+            return new HandleRef(this, _hwndSource.Handle);
+        }
+
+        protected override void DestroyWindowCore(HandleRef hwnd)
+        {
+            RenderWindowDestroying?.Invoke(this, EventArgs.Empty);
+
+            _renderWindow?.Close();
+            var rw = _renderWindow;
+            _renderWindow = null;
+            rw?.Dispose();
+            var hs = _hwndSource;
+            _hwndSource = null;
+            hs?.Dispose();
+        }
+
+        private nint HwndMessageHook(nint hwnd, int msg, nint wParam, nint lParam, ref bool handled)
+        {
+            _renderWindow?.DispatchEvents();
+            return nint.Zero;
+        }
+    }
+}