Are you certain that $mockOb->search returns a variable and not a value? Usually, Tk objects require a real variable and not a value to watch. A value never changes.

Depending on whether you have control over $mockOb, either have ->search return the reference to the variable to watch directly, or alternatively, pass the reference to the variable within $mockOb yourself. Having two things that access internals of $mockOb (Tk and $mockOb itself) certainly is bad design.

In reply to Re: Object Oriented reference in -textvariable by Corion
in thread Object Oriented reference in -textvariable by JOption

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