{"action":"created","issue":{"url":"https://api.github.com/repos/MahApps/MahApps.Metro/issues/2102","labels_url":"https://api.github.com/repos/MahApps/MahApps.Metro/issues/2102/labels{/name}","comments_url":"https://api.github.com/repos/MahApps/MahApps.Metro/issues/2102/comments","events_url":"https://api.github.com/repos/MahApps/MahApps.Metro/issues/2102/events","html_url":"https://github.com/MahApps/MahApps.Metro/issues/2102","id":104052597,"number":2102,"title":"Flyouts exception in designer","user":{"login":"tasc18","id":14055351,"avatar_url":"https://avatars.githubusercontent.com/u/14055351?v=3","gravatar_id":"","url":"https://api.github.com/users/tasc18","html_url":"https://github.com/tasc18","followers_url":"https://api.github.com/users/tasc18/followers","following_url":"https://api.github.com/users/tasc18/following{/other_user}","gists_url":"https://api.github.com/users/tasc18/gists{/gist_id}","starred_url":"https://api.github.com/users/tasc18/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tasc18/subscriptions","organizations_url":"https://api.github.com/users/tasc18/orgs","repos_url":"https://api.github.com/users/tasc18/repos","events_url":"https://api.github.com/users/tasc18/events{/privacy}","received_events_url":"https://api.github.com/users/tasc18/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-08-31T13:22:49Z","updated_at":"2015-08-31T13:25:42Z","closed_at":null,"body":"so, when i opened visual studio after saving my application, the designer is not working. I found that the flyout is bugging it, and i cannot edit it in the designer any more. Here is the exception:\r\n\r\nArgumentException: Cannot add instance of type 'SetFlyoutOpenAction' to a collection of type 'TriggerActionCollection'. Only items of type 'T' are allowed.\r\n\r\nStackTrace\r\n at System.Windows.FreezableCollection`1.Cast(Object value)\r\n   at System.Windows.FreezableCollection`1.System.Collections.IList.Add(Object value)\r\n   at System.Xaml.Schema.XamlTypeInvoker.AddToCollection(Object instance, Object item)\r\n   at MS.Internal.Xaml.Runtime.ClrObjectRuntime.Add(Object collection, XamlType collectionType, Object value, XamlType valueXamlType)\r\n\r\nInnerException: None"},"comment":{"url":"https://api.github.com/repos/MahApps/MahApps.Metro/issues/comments/136370093","html_url":"https://github.com/MahApps/MahApps.Metro/issues/2102#issuecomment-136370093","issue_url":"https://api.github.com/repos/MahApps/MahApps.Metro/issues/2102","id":136370093,"user":{"login":"punker76","id":658431,"avatar_url":"https://avatars.githubusercontent.com/u/658431?v=3","gravatar_id":"","url":"https://api.github.com/users/punker76","html_url":"https://github.com/punker76","followers_url":"https://api.github.com/users/punker76/followers","following_url":"https://api.github.com/users/punker76/following{/other_user}","gists_url":"https://api.github.com/users/punker76/gists{/gist_id}","starred_url":"https://api.github.com/users/punker76/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/punker76/subscriptions","organizations_url":"https://api.github.com/users/punker76/orgs","repos_url":"https://api.github.com/users/punker76/repos","events_url":"https://api.github.com/users/punker76/events{/privacy}","received_events_url":"https://api.github.com/users/punker76/received_events","type":"User","site_admin":false},"created_at":"2015-08-31T13:25:42Z","updated_at":"2015-08-31T13:25:42Z","body":"@tasc18 which MahApps version? any other special thing with your flyouts?"}}