Nsobject performselector
WebNSObject* 类型，而是意味着它将是任何确认该协议的类. 因此，例如，此代码不会抛出任何错误，因为 NSObject 的类别 NSDelayedPerforming 具有以下方法： id testId; [testId … WebThe NSObject class declares just one instance variable, isa, of type Class. Note that although the @encode() directive doesn’t return them, the runtime system uses the …
Nsobject performselector
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WebThis method creates a new thread in your application, putting your application into multithreaded mode if it was not already. The method represented by aSelector must set … WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.
Web30 jun. 2015 · -performSelector:withObject:afterDelay: doesn't schedule operations on a dispatch queue; it schedules it on the run loop of the current thread. Each thread has one … Web谢谢，我知道我遗漏了一些明显的东西！谢谢，这就是我想要的：）我试图避免使用indexOfObjectPassingTest（它看起来太复杂了）。你说==对isEqualTo是什么意思？我 …
Web我又一次撞墙了。我可以可靠地产生崩溃 您在下面看到，但不知道如何解释结果。 似乎问题发生在. Missing proxy for identifier UpstreamPlaceholder-sNv-dx-F0w Web29 dec. 2024 · 只能在主线程中执行，在子线程中不会调到aSelector方法。. 可用于当点击UI中一个按钮会触发一个消耗系统性能的事件，在事件执行期间按钮会一直处于高亮状 …
Web6 mrt. 2024 · 使用- [NSObject performSelector:]执行您的回调.基本上是Objective-C运行时解决方案的更简单版本. void setup_callback (id object, SEL selector) { // do stuff // to …
WebanObject An object that is the sole argument of the message. Return Value An object that is the result of the message. Discussion This method is the same as performSelector: … historia sinonimoWeb16 jul. 2024 · NSObject is the root class (a root class is a class with no superclass) of the GNUstep base library class hierarchy, so all classes normally inherit from NSObject. … historia simsonaWeb12 apr. 2024 · performSelector의 셀렉터를 알 수 없기 때문에 누수가 발생할 수 있습니다. ARC 컴파일러에 의해 다음과 같은 경고가 표시됩니다. "performSelector may cause a … historia sinonimosWebAddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr) Registers an object for being observed externally (using NSString keyPath). Observed changes are … historias jeongkyuWebFoundation.NSObject.PerformSelector(ObjCRuntime.Selector, Foundation.NSThread, Foundation.NSObject, System.Boolean, Foundation.NSString[]) historias jenlisa wattpadWeb27 jun. 2024 · Solution 2. Simple, your object is of type id and conforms to the NSObject protocol. However, this protocol doesn't declare performSelector:withObject:afterDelay:, … historias insolitasWeb29 dec. 2024 · - (void)performSelector: (SEL)aSelector withObject: (id)anArgument afterDelay: (NSTimeInterval)delay; 这两个方法为异步执行，即使delay传参为0，仍为异步执行。 只能在主线程中执行，在子线程中不会调到aSelector方法。 可用于当点击UI中一个按钮会触发一个消耗系统性能的事件，在事件执行期间按钮会一直处于高亮状态，此时可以 … historia sinema avatar 2