有两种方法：
1. 比较简单，打开窗体的属性，选择Window－》Controls,去掉对应的钩，就可以了。
2. 代码实现。
| Member | Description |
| NSWindowCloseButton |
The close button.
Available in Mac OS X v10.2 and later.
|
| NSWindowMiniaturizeButton |
The miniaturize button.
Available in Mac OS X v10.2 and later.
|
| NSWindowZoomButton |
The zoom button.
Available in Mac OS X v10.2 and later.
|
| NSWindowToolbarButton |
The toolbar button.
Available in Mac OS X v10.2 and later.
|
| NSWindowDocumentIconButton |
The document icon button.
Available in Mac OS X v10.2 and later.
|
显示 / 隐藏代码：
[[window standardWindowButton:NSWindowMiniaturizeButton] setHidden:YES];
[[window standardWindowButton:NSWindowZoomButton] setHidden:YES];
