myMethod:
如果通过 NSObject 调用in 时引发的异常会发生什么performSelectorOnMainThread:withObject:waitUntilDone:
?
特别是,我可以在这样的调用范围内捕获它们performSelectorOnMainThread
吗...
@try {
[self performSelectorOnMainThread:@selector(myMethod) withObject:nil waitUntilDone:YES];
} @catch(NSException *e) {
//deal with exception raised in myMethod here??
}
我意识到如果 waitUntilDone 是 ,它的语义很奇怪NO
。