Silverlight Binding (Boolean)

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Silverlight

Hi,

i am adding 2 custom dependency properties, for the one of type string everything works fine.

for the second one of type Boolean it did not work.
i tried to find the cause but it seems for me there is no error(i even tried to change the type to string, and when i did, it worked fine), is there a special way of binding boolean ?.
this the code i am using:
the view class:

public static readonly DependencyProperty IsReadyProperty = DependencyProperty.Register("IsReady", typeof (Boolean),
                                                                                                typeof (
                                                                                                    ReportBuilderView),
                                                                                                new PropertyMetadata(
                                                                                                    IsReadyChanged));

public Boolean IsReady
       {
           set
           {
               this.SetValue(IsReadyProperty, value);
           }
           get { return (Boolean)this.GetValue(IsReadyProperty); }
       }

Binding myBinding2 = new Binding("IsReadyForQuerying");
            myBinding2.Source = viewModel.IsReadyForQuerying;
            myBinding2.Mode = BindingMode.TwoWay;
            BindingOperations.SetBinding(this, ReportBuilderView.IsReadyProperty, myBinding2);
            IsReady = false;

the view model part:

private Boolean _isReady;
        public Boolean IsReadyForQuerying
        {
            get { return _isReady; }
            set
            {
                _isReady = value;
                this.RaisePropertyChanged(() => this.IsReadyForQuerying);
            }
        }