// // LBXScanVideoZoomView.h // testSlider #import NS_ASSUME_NONNULL_BEGIN @interface LBXScanVideoZoomView : UIView /** @brief 控件值变化 */ @property (nonatomic, copy,nullable) void (^block)(float value); - (void)setMaximunValue:(CGFloat)value; @end NS_ASSUME_NONNULL_END