{"width":"100%","url":"https://cocoaapi.hatenablog.com/entry/00010709/NSPersistentDocument_hasUndoManager","description":"\u6c38\u7d9a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u30a2\u30f3\u30c9\u30a5\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u6301\u3064\u304b\u3092\u8fd4\u3057\u307e\u3059 \u89e3\u8aac \u6c38\u7d9a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u30a2\u30f3\u30c9\u30a5\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u6301\u3064\u304b\u3092\u8fd4\u3057\u307e\u3059\u3002 YES\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u51fa\u6765\u307e\u305b\u3093\u3002 \u8fd4\u308a\u5024 ( BOOL ) YES/NO \u5f15\u6570 \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af ApplicationKit \u30af\u30e9\u30b9 NSPersistentDocument Instance Methods \u4f7f\u7528\u53ef\u80fd 10.4 \u53c2\u7167 -managedObjectContext \u4f8b\u6587 #import \"MyObject.h\" @implementation MyObject - (IBAction)myAction:(id)sender { ([\u2026","version":"1.0","type":"rich","author_name":"jjj777","height":"190","categories":["ApplicationKit","NSPersistentDocument","10.4"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcocoaapi.hatenablog.com%2Fentry%2F00010709%2FNSPersistentDocument_hasUndoManager\" title=\"hasUndoManager - macOS/iOS API\u89e3\u8aac\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","blog_url":"https://cocoaapi.hatenablog.com/","title":"hasUndoManager","blog_title":"macOS/iOS API\u89e3\u8aac","author_url":"https://blog.hatena.ne.jp/jjj777/","image_url":null,"published":"0001-07-09 00:00:00"}