How can I programmatically bind this CheckBox?

Question

This code is in my class constructor:

CheckBox autoScrollCheckBox = new CheckBox();
autoScrollCheckBox.VerticalAlignment = VerticalAlignment.Center;
autoScrollCheckBox.Content = "Enable";
Binding autoScrollBinding = new Binding();
autoScrollBinding.Path = new PropertyPath("AutoScrollingIsEnabled");
autoScrollBinding.RelativeSource = new RelativeSource(RelativeSourceMode.Self);
autoScrollBinding.Mode = BindingMode.TwoWay;
autoScrollCheckBox.SetBinding(CheckBox.IsCheckedProperty, autoScrollBinding);
autoScrollBox.Content = autoScrollCheckBox;

This is in the same class:

public bool AutoScrollingIsEnabled
{
    get
    {
        return !autoScrollingIsPaused;
    }
    set
    {
        autoScrollingIsPaused = !value;
    }
}

But AutoScrollingIsEnabled is never called. What is the problem?

I've found that the output window is extremely helpful for binding issues. — asven
– asven, Commented Jun 27, 2014 at 20:24

FodderZone · Accepted Answer · 2014-06-27 18:47:59Z

1

You should be setting Source not Relative source.

autoScrollBinding.Source = this;

But if you want an update from code to get reflected on your window then you'll need to implement INotifyProertyChanged as @evanb mentioned.

answered Jun 27, 2014 at 18:47

FodderZone

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