标签:
控制器
IBAction
UI控件尺寸
UIButton *btn = [[UIButton alloc] init];
btn.frame = CGRectMake(100, 100, 100, 100);
UIButton *btn = [[UIButton alloc] init];
btn.bounds = CGRectMake(0, 0, 100, 100);
UIButton *btn = [[UIButton alloc] init];
btn.center = CGPointMake(200, 200);
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原文地址:http://www.cnblogs.com/liujiaoxian/p/4694735.html