مطالب مرتبط با «with custom item» در back soft | نویسنده: استخدام کار
Firing and Capturing of Custom RoutedCommands within CustomControls for MenuItems
امروزدخترم رابردم دندانپزشکی .یکی ازهمکاران قدیمی به اسم خانم شریفی رادیدم خوشحال شدم ،راستش برای من فرقی نمی کنه که خاطره خوب ازهمکارام داشته باشم یانه وقتی بعدازمدتهااونهارامی بینم خوشحال میشم،بعدرف...
ادامه مطلبCrash after QGraphicsScene::removeItem() with custom item class
Vote count: 0 I am populating a QGraphicsScene with instances of a custom item class (inherting QGraphicsPathItem). At some point during runtime, I try to remove an item (plus its children) from the scene by calling: delete pItem; This automatically calls QGraphicsScene::removeItem(), however it also leads to a crash in the class QGraphicsSceneFindItemBspTreeVisitor during the next repaint. asked 24 secs agoPhilip Allgaier 1 Answer Vote count: 0 TL;DR: The solution is to ensure that QGraphicsItem::prepareGeometryChange() gets called before the item's removal from the scene. The problem is that during the item removal from the scene, the scene inteal index was not properly updated, resulting ...
ادامه مطلب
