重构Win32Natives

Win32Natives/Dwmapi.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Win32Natives
+{
+    /// <summary>
+    /// dwmapi.dll 包装类
+    /// </summary>
+    public static class Dwmapi
+    {
+        private const uint DWMWA_USE_IMMERSIVE_DARK_MODE = 20;
+        private const uint DWMWA_CAPTION_COLOR = 35;
+        private const uint DWMWA_TEXT_COLOR = 36;
+        private const uint DWMWA_COLOR_DEFAULT = 0xFFFFFFFF;
+
+        [DllImport("dwmapi.dll")]
+        private static extern int DwmSetWindowAttribute(IntPtr hwnd, uint dwAttribute, ref int pvAttribute, int cbAttribute);
+
+        [DllImport("dwmapi.dll")]
+        private static extern int DwmSetWindowAttribute(IntPtr hwnd, uint dwAttribute, ref uint pvAttribute, int cbAttribute);
+
+        public static bool SetWindowCaptionColor(IntPtr hwnd, byte r, byte g, byte b)
+        {
+            int c = r | (g << 8) | (b << 16);
+            return 0 == DwmSetWindowAttribute(hwnd, DWMWA_CAPTION_COLOR, ref c, sizeof(uint));
+        }
+
+        public static bool SetWindowTextColor(IntPtr hwnd, byte r, byte g, byte b)
+        {
+            int c = r | (g << 8) | (b << 16);
+            return 0 == DwmSetWindowAttribute(hwnd, DWMWA_TEXT_COLOR, ref c, sizeof(uint));
+        }
+
+        public static bool SetWindowDarkMode(IntPtr hwnd, bool darkMode)
+        {
+            int b = darkMode ? 1 : 0;
+            uint c = DWMWA_COLOR_DEFAULT;
+            DwmSetWindowAttribute(hwnd, DWMWA_CAPTION_COLOR, ref c, sizeof(uint));
+            DwmSetWindowAttribute(hwnd, DWMWA_TEXT_COLOR, ref c, sizeof(uint));
+            return 0 == DwmSetWindowAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE, ref b, sizeof(int));
+        }
+    }
+}