Design-Time Data
Design-time data enables visual preview testing in the XAML designer without running the application — the Windows equivalent of SwiftUI #Preview and Compose @Preview.
What to verify
- Views SHOULD use
d:DataContextandd:DesignInstanceso the designer renders realistic content, not empty surfaces - Verify all significant view states are previewable: default, empty, error, loading, populated
- Use XAML Hot Reload for rapid visual iteration during testing