我在调查中播放了图像。 我利用 but子( down倒)把图像的位置推移到滚动的5皮克。 但是,只有我一再触动 but子,才会发生Button大火(如果我再次触动 but子,就会把图像移至5皮克)。 我想,在我把 but子 down倒之前,我会火上 the击(这应该把图像移至我释放纽伦之前)。
是否有可能通过纽扣的方式将调查单输入数据?
我在调查中播放了图像。 我利用 but子( down倒)把图像的位置推移到滚动的5皮克。 但是,只有我一再触动 but子,才会发生Button大火(如果我再次触动 but子,就会把图像移至5皮克)。 我想,在我把 but子 down倒之前,我会火上 the击(这应该把图像移至我释放纽伦之前)。
是否有可能通过纽扣的方式将调查单输入数据?
你们不得不聆听信国际通话会的活动。 当有人开枪时,你就开始一个定期使用某种方法的时间(或其他)时间,当你收到电话时,你就停止了。
它可能认为:
-(IBAction)touchDownAction:(id)sender
{
self.yourtimer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(aselector) userInfo:nil repeats:YES];
}
-(IBAction)touchUpAction:(id)sender
{
if ([yourtimer isValid])
{
[yourtimer invalidate];
}
}
(你只得通过IB与这些方法联系起来)
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