在我的项目(“Xcode 4.3.2 - Single View Application”)中,我手动添加了一个带有按钮项的工具栏,我需要以编程方式更新按钮标签。我怎样才能做到这一点?请你帮助我好吗?
视图控制器.h
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController <UIWebViewDelegate>{
IBOutlet UIWebView *webDisplay;
IBOutlet UIToolbar *menuBar; //my toolBar
}
@property(nonatomic,retain) UIWebView *webDisplay;
@property(nonatomic,retain) UIToolbar *menuBar;
- (IBAction) changeLabel:(id)sender;
@end
视图控制器.m
- (IBAction) changeLabel:(id)sender{
//code for updating label
}