Add Win32 rounded corners link to geometry page

niels9001 · Copilot · niels9001 · commit dea231086e14 · 2026-02-16T18:35:01.000+01:00
Co-authored-by: Copilot &lt;223556219+Copilot@users.noreply.github.com&gt;
diff --git a/hub/apps/design/signature-experiences/geometry.md b/hub/apps/design/signature-experiences/geometry.md
@@ -68,3 +68,5 @@ There are instances where the corner of a control should not be rounded, and we
 
 The default corner radii are controlled by two global resources: `ControlCornerRadius` (default 4px) and `OverlayCornerRadius` (default 8px). You can override these values in your App.xaml to change the rounding across all controls in your app.
 
+If you're building a Win32 desktop app, you can opt in to rounded corners for your app windows using the DWM API. For details, see [Apply rounded corners in desktop apps](../../desktop/modernize/ui/apply-rounded-corners.md).
+

Original file line number	Diff line number	Diff line change
`@@ -68,3 +68,5 @@ There are instances where the corner of a control should not be rounded, and we`
`68`	`68`
`69`	`69`	The default corner radii are controlled by two global resources: `ControlCornerRadius` (default 4px) and `OverlayCornerRadius` (default 8px). You can override these values in your App.xaml to change the rounding across all controls in your app.
`70`	`70`
	`71`	`+If you're building a Win32 desktop app, you can opt in to rounded corners for your app windows using the DWM API. For details, see [Apply rounded corners in desktop apps](../../desktop/modernize/ui/apply-rounded-corners.md).`
	`72`	`+`