how to update oneTime binding

Question

Hi.

In C++/XAML i can throw binding update (i mean notify system that value of any property was changed) using 

PropertyChanged( this, ref new PropertyChangedEventArgs( propertyName));

but how can i do this in JavaScript when i using oneTime binding (need to use it as i use classes from C++ component to show up in UI and these classes cannot be expanded with _getObservable) ?

Answer 1

Not sure but this might just work.. Before binding make those objects observable using WinJS.Binding.as .

- Girija

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Please mark responses as answered if it helped you.. This helps others... - Girija Shankar Beuria

Answer 2

Girija, thanks for your response. As i've wrote these classes are from C++ component so cannot be expanded to observable class (so i cannot use Binding.as).

I had a problem with items in ListView where i need update property of any item (these items are from C++ component). As a workaround i've added an event which is called from C++ :

function updateUI(item){
  var pos = DataSource.currentList.indexOf(item);
  if( pos >= 0)
    DataSource.currentList.setAt( pos, item); // this will throw rebind as i needed
}