From 3c911839005ab0b56561aae39a303353bf812397 Mon Sep 17 00:00:00 2001 From: Nathan Garside Date: Wed, 16 Jun 2021 13:39:23 +0100 Subject: [PATCH] Fix when dwm disabled --- src/Windows/Avalonia.Win32/WindowImpl.cs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs index 6e105d2152..645cb5fb99 100644 --- a/src/Windows/Avalonia.Win32/WindowImpl.cs +++ b/src/Windows/Avalonia.Win32/WindowImpl.cs @@ -217,8 +217,13 @@ namespace Avalonia.Win32 { get { - DwmGetWindowAttribute(_hwnd, (int)DwmWindowAttribute.DWMWA_EXTENDED_FRAME_BOUNDS, out var rect, Marshal.SizeOf(typeof(RECT))); + if (DwmIsCompositionEnabled(out var compositionEnabled) != 0 || !compositionEnabled) + { + GetWindowRect(_hwnd, out var rcWindow); + return new Size(rcWindow.Width, rcWindow.Height) / RenderScaling; + } + DwmGetWindowAttribute(_hwnd, (int)DwmWindowAttribute.DWMWA_EXTENDED_FRAME_BOUNDS, out var rect, Marshal.SizeOf(typeof(RECT))); return new Size(rect.Width, rect.Height) / RenderScaling; } }