Merge pull request AvaloniaUI#7788 from AvaloniaUI/fixes/mica-windows-11-fallback-check

danwalmsley · danwalmsley · commit 77eb1495dedb · 2022-03-11T16:50:49.000Z
fix mica fallback check.
diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs
@@ -394,7 +394,7 @@ private WindowTransparencyLevel Win10EnableBlur(WindowTransparencyLevel transpar
                     }
                 }
 
-                if (Win32Platform.WindowsVersion.Major == 10 && effect == BlurEffect.Mica)
+                if (Win32Platform.WindowsVersion < WinUICompositorConnection.MinHostBackdropVersion && effect == BlurEffect.Mica)
                 {
                     effect = BlurEffect.Acrylic;
                 }

Original file line number	Diff line number	Diff line change
`@@ -394,7 +394,7 @@ private WindowTransparencyLevel Win10EnableBlur(WindowTransparencyLevel transpar`
`394`	`394`	`}`
`395`	`395`	`}`
`396`	`396`
`397`		`- if (Win32Platform.WindowsVersion.Major == 10 && effect == BlurEffect.Mica)`
	`397`	`+ if (Win32Platform.WindowsVersion < WinUICompositorConnection.MinHostBackdropVersion && effect == BlurEffect.Mica)`
`398`	`398`	`{`
`399`	`399`	`effect = BlurEffect.Acrylic;`
`400`	`400`	`}`