public static T FindByViewId <T>(this ILayoutContainer root, string viewId)
where T : LayoutContent
{
return(root?.Descendents()
.OfType <T>()
.FirstOrDefault(x => x.ContentId == viewId));
}
public static bool ContainsChildOfType <T, S>(this ILayoutContainer container)
{
foreach (var childElement in container.Descendents())
{
if (childElement is T || childElement is S)
{
return(true);
}
}
return(false);
}
public static bool ContainsChildOfType <T>(this ILayoutContainer element)
{
foreach (var childElement in element.Descendents())
{
if (childElement is T)
{
return(true);
}
}
return(false);
}
public static bool ContainsChildOfType <T>(this ILayoutContainer element)
{
bool flag;
using (IEnumerator <ILayoutElement> enumerator = element.Descendents().GetEnumerator())
{
while (enumerator.MoveNext())
{
if (!(enumerator.Current is T))
{
continue;
}
flag = true;
return(flag);
}
return(false);
}
return(flag);
}
public static bool ContainsChildOfType <T, S>(this ILayoutContainer container)
{
bool flag;
using (IEnumerator <ILayoutElement> enumerator = container.Descendents().GetEnumerator())
{
while (enumerator.MoveNext())
{
ILayoutElement current = enumerator.Current;
if (!(current is T) && !(current is S))
{
continue;
}
flag = true;
return(flag);
}
return(false);
}
return(flag);
}
public static bool ContainsChildOfType <T, TS>(this ILayoutContainer container)
{
return(container.Descendents().Any(childElement => childElement is T || childElement is TS));
}
public static bool ContainsChildOfType <T>(this ILayoutContainer element)
{
return(element.Descendents().OfType <T>().Any());
}