public static void SetTitleBarTheme(IntPtr handle, bool isDarkMode) { if (IsWindows10OrGreater(17763)) { int attr = WindowNative.DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1; if (IsWindows10OrGreater(18985)) { attr = WindowNative.DWMWA_USE_IMMERSIVE_DARK_MODE; } int value = isDarkMode ? 1 : 0; WindowNative.DwmSetWindowAttribute(handle, attr, ref value, sizeof(int)); } }
public static void SetFormShadow(IntPtr handle, int margin = 1) { int attr = 2; int value = 2; WindowNative.DwmSetWindowAttribute(handle, attr, ref value, sizeof(int)); var margins = new WindowNative.Margins() { bottomHeight = margin, leftWidth = margin, rightWidth = margin, topHeight = margin, }; WindowNative.DwmExtendFrameIntoClientArea(handle, ref margins); }