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我正在我的 appcontroller.m 类中创建搜索字段,并将其作为子视图添加到 awakeFromNib 中的 BrowserView

    mysearchField = [ [ NSSearchField alloc ] initWithFrame: NSMakeRect(10 , 50.0, 225.0, 35.0) ];

    [mysearchField setTag:2];

    [[mysearchField cell] setPlaceholderString:@"Page Number & Press Enter"];
    [BrowserView addSubview: mysearchField ];

    [mysearchField release];


-(NSView *)fullBrowserView
{
    NSLog(@"fullBrowserView called");
    return fullBrowserView;
}

当我尝试从不同的 nsview 子类访问此搜索字段时

-(BOOL)becomeFirstResponder {

    appController *pAppController = [[appController alloc] init];
    //[pIKBController testMethod];
    NSSearchField *mySearchFieldTemp =(NSSearchField *) [[pAppController fullBrowserView]  viewWithTag:2];
    [mySearchFieldTemp setStringValue:@""];

    [pAppController release];
    return [super becomeFirstResponder];
}

fullBrowserView 被 [pAppController fullBrowserView] 调用,但我的 NSSearchField 没有重置为 nil 值。

注意:fullBrowserView 是 IBOutlet 并在 Xib 文件中创建(Interface Builder)

可能是什么问题。请帮忙。

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