private IEnumerable <IEnumerable <string> > GetImageSets(string menuName)
{
foreach (var provider in _navigationProviders)
{
if (provider.MenuName == menuName)
{
var builder = new NavigationBuilder();
IEnumerable <string> imageSets = null;
try {
provider.GetNavigation(builder);
imageSets = builder.BuildImageSets();
}
catch (Exception ex) {
if (ex.IsFatal())
{
throw;
}
Logger.Error(ex, "Unexpected error while querying a navigation provider. It was ignored. The menu provided by the provider may not be complete.");
}
if (imageSets != null)
{
yield return(imageSets);
}
}
}
}
private IEnumerable <IEnumerable <string> > GetImageSets(string menuName)
{
foreach (var provider in _navigationProviders)
{
if (provider.MenuName != menuName)
{
continue;
}
var builder = new NavigationBuilder();
IEnumerable <string> imageSets = null;
try
{
provider.GetNavigation(builder);
imageSets = builder.BuildImageSets();
}
catch (Exception ex)
{
Logger.Error(ex, "意外的错误在查询导航提供商。它被忽略。由供应商提供的菜单可能不完整。");
}
if (imageSets != null)
{
yield return(imageSets);
}
}
}
