Use Subclass in Interface Builder
Use Subclass in Interface Builder
- Subject: Use Subclass in Interface Builder
- From: Dong Feng <email@hidden>
- Date: Wed, 05 Oct 2011 13:32:39 +0800
I have a subclass of NSOpenGLView which named POpenGLView. I tried two ways
to use it in IB:
Method 1:
To create an OpenGL view in IB directly, and set its class type
"POpenGLView".
Method 2:
To create a NSView in IB, and set its class type "POpenGLView".
The most significant difference between the two ways is
- in Method 2, initWithFrame: is invoked.
- in Method 1, initWithCoder: is invoked.
I checked Apple examples and found this one:
http://developer.apple.com/library/mac/#samplecode/GLEssentials/Listings/main_m.html#//apple_ref/doc/uid/DTS40010104-main_m-DontLinkElementID_31
Apple's example takes Method 2 and relies on the behavior of invoking
initWithFrame: .
What's the rule of IB/XIB regarding picking instantiate method?
Thanks,
Dong
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