diff options
Diffstat (limited to 'Xamarin.Forms.Build.Tasks/SetPropertiesVisitor.cs')
| -rw-r--r-- | Xamarin.Forms.Build.Tasks/SetPropertiesVisitor.cs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Xamarin.Forms.Build.Tasks/SetPropertiesVisitor.cs b/Xamarin.Forms.Build.Tasks/SetPropertiesVisitor.cs index 608fab5b..64bc7585 100644 --- a/Xamarin.Forms.Build.Tasks/SetPropertiesVisitor.cs +++ b/Xamarin.Forms.Build.Tasks/SetPropertiesVisitor.cs @@ -128,7 +128,7 @@ namespace Xamarin.Forms.Build.Tasks // Collection element, implicit content, or implicit collection element. string contentProperty; var parentVar = Context.Variables[(IElementNode)parentNode]; - if (parentVar.VariableType.ImplementsInterface(Module.ImportReference(typeof (IEnumerable)))) + if (parentVar.VariableType.ImplementsInterface(Module.ImportReference(typeof (IEnumerable))) && parentVar.VariableType.GetMethods(md => md.Name == "Add" && md.Parameters.Count == 1, Module).Any()) { var elementType = parentVar.VariableType; if (elementType.FullName != "Xamarin.Forms.ResourceDictionary" && elementType.Resolve().BaseType.FullName != "Xamarin.Forms.ResourceDictionary") @@ -152,7 +152,8 @@ namespace Xamarin.Forms.Build.Tasks if (parentNode is IElementNode && ((IElementNode)parentNode).SkipProperties.Contains (propertyName)) return; Context.IL.Append(SetPropertyValue(Context.Variables[(IElementNode)parentNode], name, node, Context, node)); - } + } else + throw new XamlParseException($"Can not set the content of {((IElementNode)parentNode).XmlType.Name} as it doesn't have a ContentPropertyAttribute", node); } else if (IsCollectionItem(node, parentNode) && parentNode is ListNode) { |