On 1 Mar '08, at 2:07 PM, Dimitri Bouniol wrote:
Easy. Create an instance of a NSButton: NSButton *myButton = [[NSButton alloc] initWithFrame:nsRectOfButton]; Then add it to your view: [view addSubview:myButton];
I would recommend against doing this, for several reasons:1. Last time I tried, it was very tricky to set the button up correctly. There are many attributes you'll probably want to change, and they need to be changed in a particular order (which you have to find by trial and error.) 2. Doing this makes your app very difficult to localize, because it requires editing the source code. Localizers are used to modifying Interface Builder documents and strings files; they're usually not programmers. 3. Your app can't switch languages on demand (i.e. support multiple languages with a single binary) without extra work. 4. It's not The Way Things Are Done in Cocoa, so it'll confuse/annoy any other programmer who tries to read your code.
The better way to do this is to make the button in Interface Builder. Add a "custom view" object to your nib (not inside a window, just drag in into the nib itself), then add the button to that view, and add an outlet from your controller object that points to the button. Then at runtime you can remove the button from its superview and add it somewhere in your window.
In most situations where you need to create multiple copies of a button (like a radio button group) you should use an NSMatrix. Just set its number of rows at runtime, and it'll duplicate its cell that many times.
—Jens
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