(CGRect)titleRectForContentRect:(CGRect)contentRect
(CGRect)imageRectForContentRect:(CGRect)contentRect
button内边距
btn.contentEdgeInsets = UIEdgeInsetsMake(20, 0, 0, 0);
设置的值是逆时针的，即是上左下右
如果是设置contentEdgeInsets, 会把UIImageView和UIlabel当做一个整体移动
如果是设置titleEdgeInsets/imageEdgeInsets. 那么不会影响到另外一个, 也就是只会改变当前设置的这个控件
DraggedImage.png
UIButton 的使用 UIButton的常用方法UIButton *oneButton = [UIButton...
UIButton * backButton = [UIButton buttonWithType:UIButton...
// 按钮UIButton // UIButton *button = [UIButton buttonWit...
目录：1、UIButton基础简介2、UIButton事件 1、UIButton基础简介 2、UIButton事件...
第一、UIButton的定义 UIButton*button=[[UIButton buttonWithType:...
一、UIButton 1、UIButton *button=[UIButton buttonWithType:UI...
先声明UIButton UIButton*firstBtn; firstBtn = [[UIButton all...
第一、UIButton的定义 UIButton *button=[[UIButton buttonWithType...
第一、UIButton的定义 UIButton *button=[[UIButton buttonWithType...
第一、UIButton的定义 UIButton *button=[[UIButton buttonWithType...
本文标题：UIButton
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