The problem I have is this: when I close my document, it isn't
deallocated. If the invocations don't retain their arguments, that
problem is gone, but I do need to retain them. What's a good way to
solve this? I could release the NSInvocation *action when I put an
MVAction in the array, but I wonder if there's a better method.
You have a retain cycle - the document retain the array which retain
the invocation, which retain the document.
Ah. I didn't realize that an NSInvocation retains not only its
arguments, but also its target (the document only occurs as target,
never as argument). The documentation doesn't mention this, as far as
I can tell.
If you save the target, selector and arguments, you can invoke the
selector without NSInvocation. Don't retain the target.
I made NSInvocations because timing is critical and I didn't want to
spend the time constructing the call when it needs to be invoked. I
haven't profiled the difference yet though, so maybe the tradeof isn't
bad. I'll give it a whirl.
Thanks!
Hank Heijink
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