public static PropertyDescriptorCollection GetPropertiesOf(Type type)
{
Type itemType = TypeService.GetItemType(collectionType: type);
if (itemType != null)
{
type = itemType;
}
IVMDescriptor childDescriptor = ClassDescriptorAttribute
.GetClassDescriptorOf(type);
if (childDescriptor != null)
{
var browsableDescriptors = childDescriptor
.GetPropertyDescriptors()
.OfType <ViewModelPropertyDescriptor>()
.Select(actual => new BrowsablePropertyDescriptor(actual))
.ToArray();
return(new PropertyDescriptorCollection(browsableDescriptors));
}
return(TypeDescriptor.GetProperties(type));
}
public void GetItemType_OfNonEnumerableType_ReturnsNull()
{
var actual = TypeService.GetItemType(typeof(Object));
Assert.IsNull(actual);
}
public void GetItemType_OfCustumEnumerableImplementation_ReturnsItemType()
{
var actual = TypeService.GetItemType(typeof(CustomEnumerable <object, int>));
Assert.AreSame(typeof(int), actual);
}
public void GetItemType_OfHashSet_ReturnsItemType()
{
var actual = TypeService.GetItemType(typeof(HashSet <int>));
Assert.AreSame(typeof(int), actual);
}
