System\Windows\Navigation\NavigationService.cs (10)
1131navInfo.Source == null ||
1132IsSameUri(null, navInfo.Source, bpu, false /* withFragment */),
1136bpu = (navInfo == null) ? null : navInfo.Source;
1650Uri source = navigateInfo == null ? null : navigateInfo.Source;
2030navigateInfo.Source != null &&
2037navigateInfo.Source, false /* withFragment */),
2090navigateInfo.Source == null ||
2091IsSameUri(null, navigateInfo.Source, source, false /* withFragment */),
2096source = navigateInfo.Source;
3062Uri source = navigateInfo == null ? null : navigateInfo.Source;