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1.30.2 BLOX.BMenuObject: callback

callback
Answer a DirectedMessage that is sent when the receiver is modified, or nil if none has been set up.


callback: aReceiver message: aSymbol
Set up so that aReceiver is sent the aSymbol message (the name of a zero- or one-argument selector) when the receiver is clicked. If the method accepts an argument, the receiver is passed.


callback: aReceiver message: aSymbol argument: anObject
Set up so that aReceiver is sent the aSymbol message (the name of a one- or two-argument selector) when the receiver is clicked. If the method accepts two argument, the receiver is passed together with anObject; if it accepts a single one, instead, only anObject is passed.


invokeCallback
Generate a synthetic callback