diff options
Diffstat (limited to 'Xwt.XamMac/Xwt.Mac/TreeViewBackend.cs')
| -rw-r--r-- | Xwt.XamMac/Xwt.Mac/TreeViewBackend.cs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Xwt.XamMac/Xwt.Mac/TreeViewBackend.cs b/Xwt.XamMac/Xwt.Mac/TreeViewBackend.cs index 08f2bbfc..e0c96559 100644 --- a/Xwt.XamMac/Xwt.Mac/TreeViewBackend.cs +++ b/Xwt.XamMac/Xwt.Mac/TreeViewBackend.cs @@ -41,26 +41,28 @@ namespace Xwt.Mac class TreeDelegate: NSOutlineViewDelegate { + static readonly NSObject ObjectKey = new NSString("NSObject"); + public TreeViewBackend Backend; public override void ItemDidExpand (NSNotification notification) { - Backend.EventSink.OnRowExpanded (((TreeItem)notification.UserInfo["NSObject"]).Position); + Backend.EventSink.OnRowExpanded (((TreeItem)notification.UserInfo[ObjectKey]).Position); } public override void ItemWillExpand (NSNotification notification) { - Backend.EventSink.OnRowExpanding (((TreeItem)notification.UserInfo["NSObject"]).Position); + Backend.EventSink.OnRowExpanding (((TreeItem)notification.UserInfo[ObjectKey]).Position); } public override void ItemDidCollapse (NSNotification notification) { - Backend.EventSink.OnRowCollapsed (((TreeItem)notification.UserInfo["NSObject"]).Position); + Backend.EventSink.OnRowCollapsed (((TreeItem)notification.UserInfo[ObjectKey]).Position); } public override void ItemWillCollapse (NSNotification notification) { - Backend.EventSink.OnRowCollapsing (((TreeItem)notification.UserInfo["NSObject"]).Position); + Backend.EventSink.OnRowCollapsing (((TreeItem)notification.UserInfo[ObjectKey]).Position); } public override nfloat GetRowHeight (NSOutlineView outlineView, NSObject item) |