我有以下代码片段以编程方式创建 NSSearchField
mysearchField = [ [ NSSearchField alloc ] init];
[[mysearchField cell] setPlaceholderString:@"Page Number & Press Enter"];
[myView addSubview: mysearchField ];
[mysearchField resignFirstResponder];
[mysearchField release];
[mysearchField setDelegate:self];
在这里,我试图将FirstResponder 辞职到mysearchField,但mysearchField 仍然专注于应用程序启动。
我是不是错过了什么。