diff --git a/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs b/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs index 06e80a2a01..c717d16bc2 100644 --- a/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs +++ b/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs @@ -1016,27 +1016,30 @@ namespace PowerLauncher.ViewModel var window = Application.Current.MainWindow; Wpf.Ui.Controls.WindowBackdrop.RemoveBackground(window); - // Taken from WPFUI's fix for the title bar issue. We should be able to remove this fix when WPF UI 4 is integrated. - // https://github.com/lepoco/wpfui/pull/1122/files#diff-196b404f4db09632665ef546da6c8e57302b2f3e3d082eb4b5c295ae3482d94a - IntPtr windowHandle = new WindowInteropHelper(window).Handle; - if (windowHandle == IntPtr.Zero) + if (OSVersionHelper.IsWindows11()) { - return; - } + // Taken from WPFUI's fix for the title bar issue. We should be able to remove this fix when WPF UI 4 is integrated. + // https://github.com/lepoco/wpfui/pull/1122/files#diff-196b404f4db09632665ef546da6c8e57302b2f3e3d082eb4b5c295ae3482d94a + IntPtr windowHandle = new WindowInteropHelper(window).Handle; + if (windowHandle == IntPtr.Zero) + { + return; + } - HwndSource windowSource = HwndSource.FromHwnd(windowHandle); + HwndSource windowSource = HwndSource.FromHwnd(windowHandle); - // Remove background from client area - if (windowSource != null && windowSource.Handle != IntPtr.Zero && windowSource?.CompositionTarget != null) - { - // NOTE: https://learn.microsoft.com/en-us/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute - // Specifying DWMWA_COLOR_DEFAULT (value 0xFFFFFFFF) for the color will reset the window back to using the system's default behavior for the caption color. - uint titlebarPvAttribute = 0xFFFFFFFE; - _ = Wox.Plugin.Common.Win32.NativeMethods.DwmSetWindowAttribute( - windowSource.Handle, - (int)Wox.Plugin.Common.Win32.DwmWindowAttributes.CaptionColor, - ref titlebarPvAttribute, - Marshal.SizeOf(typeof(uint))); + // Remove background from client area + if (windowSource != null && windowSource.Handle != IntPtr.Zero && windowSource?.CompositionTarget != null) + { + // NOTE: https://learn.microsoft.com/en-us/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute + // Specifying DWMWA_COLOR_DEFAULT (value 0xFFFFFFFF) for the color will reset the window back to using the system's default behavior for the caption color. + uint titlebarPvAttribute = 0xFFFFFFFE; + _ = Wox.Plugin.Common.Win32.NativeMethods.DwmSetWindowAttribute( + windowSource.Handle, + (int)Wox.Plugin.Common.Win32.DwmWindowAttributes.CaptionColor, // CaptionColor attribute is only available on Windows 11. + ref titlebarPvAttribute, + Marshal.SizeOf(typeof(uint))); + } } } else