public static RegionInfoItem FindRegionInfoItem([NotNull] this IRegionManager @this, [NotNull] string viewName, params string[] regionNames)
{
Guard.ArgumentIsNotNull(@this, nameof(IRegionManager));
Guard.ArgumentIsNotNull(viewName, nameof(viewName));
var regionInfo = new RegionInfoItem();
var item = (from r in @this.Regions.Filter(regionNames)
let v = r.GetView(viewName) as FrameworkElement
where v != null
select new { RegionName = r.Name, View = v }).FirstOrDefault();
if (item == null)
{
return(regionInfo);
}
regionInfo.RegionName = item.RegionName;
regionInfo.View = item.View;
return(regionInfo);
}
public static RegionInfoItem FindRegionInfoItem([NotNull] this IRegionManager @this, [NotNull] object viewOrViewModel, params string[] regionNames)
{
Guard.ArgumentIsNotNull(@this, nameof(IRegionManager));
Guard.ArgumentIsNotNull(viewOrViewModel, nameof(viewOrViewModel));
var regionInfo = new RegionInfoItem();
var item = (from r in @this.Regions.Filter(regionNames)
from v in r.Views
let view = v as FrameworkElement
let d = view?.DataContext
where d != null && d == viewOrViewModel || v == viewOrViewModel
select new { RegionName = r.Name, View = view }).FirstOrDefault();
if (item == null)
{
return(regionInfo);
}
regionInfo.RegionName = item.RegionName;
regionInfo.View = item.View;
return(regionInfo);
}