WinUI Sample Viewer: Force light mode for WinUI source code viewer (#1737)

praveenaak · web-flow · commit 7da6fb244bf6 · 2026-01-29T13:55:22.000-08:00
diff --git a/src/WinUI/ArcGIS.WinUI.Viewer/SourceCodeViewer.xaml.cs b/src/WinUI/ArcGIS.WinUI.Viewer/SourceCodeViewer.xaml.cs
@@ -78,6 +78,8 @@ public async Task LoadSourceCodeAsync()
             {
                 // Load web view.
                 await WebView.EnsureCoreWebView2Async();
+                // Force light mode for source code viewer as WinUI Sample Viewer doesn't use dark theme currently.
+                WebView.CoreWebView2.Profile.PreferredColorScheme = CoreWebView2PreferredColorScheme.Light;
             }
             catch (Exception ex)
             {

Original file line number	Diff line number	Diff line change
`@@ -78,6 +78,8 @@ public async Task LoadSourceCodeAsync()`
`78`	`78`	`{`
`79`	`79`	`// Load web view.`
`80`	`80`	`await WebView.EnsureCoreWebView2Async();`
	`81`	`+ // Force light mode for source code viewer as WinUI Sample Viewer doesn't use dark theme currently.`
	`82`	`+ WebView.CoreWebView2.Profile.PreferredColorScheme = CoreWebView2PreferredColorScheme.Light;`
`81`	`83`	`}`
`82`	`84`	`catch (Exception ex)`
`83`	`85`	`{`