如何以編程方式創建NSPopUpButton
並將菜單項附加到它?這是我有這麼遠,但它不點擊就能也不會有任何菜單項附加以編程方式創建NSPopUpButton
幫助窗口是我NSWindow
NSPopUpButton *button = [[NSPopUpButton alloc] initWithFrame:NSMakeRect(10, 0, 50, 50)];
[[helpWindow contentView] addSubview:button];
[button setNeedsDisplay:YES];