如何更改分段单元格中1段的属性

Question

如何改变分割单元中1段的属性?我找不到。这是我尝试过的:

• 谷歌
• 一些实验:_segmentedcell.SelectedSegment(不工作)

这是我的appdelegate。h

#import <Cocoa/Cocoa.h>
#import <WebKit/WebKit.h>
@interface AppDelegate : NSObject <NSApplicationDelegate>
@property (weak) IBOutlet NSSegmentedCell *BackForward;
@property (weak) IBOutlet WebView *WebBrowser;
- (IBAction)BackForwardAction:(id)sender;
@property (assign) IBOutlet NSWindow *window;
@end

这是我的appdelegate。m

#import "AppDelegate.h"
@implementation AppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
    // Insert code here to initialize your application
}
- (IBAction)BackForwardAction:(id)sender {
    if (_BackForward.selectedSegment == 0) {
        _WebBrowser.goBack;
        if (_WebBrowser.canGoBack == false) {
            //here it does need to disable segment 0
        }
    } else if (_BackForward.selectedSegment == 1) {
        _WebBrowser.goForward;
        if (_WebBrowser.canGoForward == false) {
            // here it does neet to disable segment 1
        }
    }
}
@end

Answer 1

我不知道为什么Google没有引导您找到NSSegmentedControl的类参考，但是:

[_BackForward setEnabled:NO forSegment:0];