System\Windows\Navigation\NavigationService.cs (10)
1145navInfo.Source == null ||
1146IsSameUri(null, navInfo.Source, bpu, false /* withFragment */),
1150bpu = (navInfo == null) ? null : navInfo.Source;
1671Uri source = navigateInfo == null ? null : navigateInfo.Source;
2055navigateInfo.Source != null &&
2062navigateInfo.Source, false /* withFragment */),
2115navigateInfo.Source == null ||
2116IsSameUri(null, navigateInfo.Source, source, false /* withFragment */),
2121source = navigateInfo.Source;
3088Uri source = navigateInfo == null ? null : navigateInfo.Source;