diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs index af1e8e06ce..7474bdd10a 100644 --- a/src/Windows/Avalonia.Win32/WindowImpl.cs +++ b/src/Windows/Avalonia.Win32/WindowImpl.cs @@ -670,6 +670,11 @@ namespace Avalonia.Win32 { if (!_isClientAreaExtended) { + if(DwmIsCompositionEnabled(out bool compositionEnabled) < 0 || !compositionEnabled) + { + return; + } + RECT border_thickness = new RECT(); MARGINS margins = new MARGINS();