public async Task RemoveRegion(IAdaptableRegion region)
{
if (region == null)
{
throw new ArgumentNullException("region", "region is null.");
}
var adaptRegion = region as Internal.AdaptableRegion;
if (adaptRegion == null)
{
throw new ArgumentException("given region is no instance of AdaptableRegion");
}
var regionName = _regions.FirstOrDefault(kvp => kvp.Value.Object == region).Key;
if (regionName == null)
{
throw new ArgumentException("given region is not contained in container");
}
IScopedLifetime <Internal.AdaptableRegion> scope;
if (_regions.TryRemove(regionName, out scope))
{
await scope.Object.NavigableRegion.CloseAll();
scope.Dispose();
}
}
private static void AddNewView(IAdaptableRegion tabRegion)
{
var naviParams = NavigationParameters.Create()
.Add("value", _viewModelCount++);
tabRegion.RequestNavigate <SampleViewModel>(naviParams);
}
public bool ContainsRegion(IAdaptableRegion region)
{
if (region == null)
{
throw new ArgumentNullException("region", "region is null.");
}
return(_regions.Any(kvp => kvp.Value.Object == region as Internal.AdaptableRegion));
}