What exactly is Two-way databinding in WPF ?

Posted by blntechie on Stack Overflow See other posts from Stack Overflow or by blntechie
Published on 2010-05-23T16:37:41Z Indexed on 2010/05/23 16:40 UTC
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I'm learning WPF with MVVM and for a starter, I viewed Jason Dolinger's video on MVVM . In that he mentioned, that one of the advantage of using MVVM with WPF is two-way data binding. My question is what does he mean by two-way data binding? Is that the feature of ability to 1) bind data from controls(View) to properties in VM and 2) any change in collections or properties are reflected in the view? If I'm wrong, can anyone please explain me in detail what it is and what are its advantages? This might be a very simple doubt, but I'm very new to WPF and it's terminologies and moving away from WinForms now.

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