src\Framework\System\Windows\Navigation\NavigationService.cs (10)
1299navInfo.Source == null ||
1300IsSameUri(null, navInfo.Source, bpu, false /* withFragment */),
1304bpu = (navInfo == null) ? null : navInfo.Source;
1843Uri source = navigateInfo == null ? null : navigateInfo.Source;
2227navigateInfo.Source != null &&
2234navigateInfo.Source, false /* withFragment */),
2287navigateInfo.Source == null ||
2288IsSameUri(null, navigateInfo.Source, source, false /* withFragment */),
2293source = navigateInfo.Source;
3317Uri source = navigateInfo == null ? null : navigateInfo.Source;