Opening a second window from an IBAction

How do I use a second window I created, is there a w开发者_JAVA技巧ay to open it when triggering an IBAction event, e.g., a "touch down" event?

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Usually, you create the window in a separate XIB file, and create a subclass of NSWindowController, that you set as the file owner of the XIB file.

Then, you need to override the init method to load the XIB file:

- ( id )init
{
    if( ( self = [ super initWithWindowNibName: @"MySecondWindow" ] ) )
    {}

    return self;

}

Then, you just need to create a new instance of your second window controller, and show the window:

MyWindowController * wc = [ MyWindowController new ];
[ wc showWindow: nil ];

That can be done from your IBAction method.

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Just to expand a tiny bit on what Macmade stated:

I prefer the formal allocating memory and initializing the object.

MyWindowController * wc = [[MyWindowController alloc] init];
[wc.window makeKeyAndOrderFront:self];