public void Activate(IBindingContainer bindingContainer, PropertyExpression targetPropertyExpression)
{
if (bindingContainer == null)
{
throw new ArgumentNullException("bindingContainer");
}
if (!bindingContainer.Bindings.Contains(this))
{
throw new InvalidOperationException(Resources.BindingMustBeActivatedInOwningContainer);
}
if (Interlocked.CompareExchange(ref _activated, 1, 0) != 0)
{
throw new InvalidOperationException(Resources.AlreadyActivated);
}
_container = bindingContainer;
_targetPropertyExpression = targetPropertyExpression;
if (TargetPropertyExpression == null)
{
//no target property expression was provided when activating, so ask the base class to create one
TargetPropertyExpression = AttemptCreateTargetPropertyExpression();
}
if (TargetPropertyExpression != null && (Mode == BindingMode.TwoWay || Mode == BindingMode.OneWayToSource))
{
//listen for changes in the target
TargetPropertyExpression.ValueChanged += TargetPropertyExpressionValueChanged;
}
OnActivated();
}
public void Activate(IBindingContainer bindingContainer, PropertyExpression targetPropertyExpression)
{
if (bindingContainer == null)
throw new ArgumentNullException("bindingContainer");
if (!bindingContainer.Bindings.Contains(this))
throw new InvalidOperationException(Resources.BindingMustBeActivatedInOwningContainer);
if (Interlocked.CompareExchange(ref _activated, 1, 0) != 0)
{
throw new InvalidOperationException(Resources.AlreadyActivated);
}
_container = bindingContainer;
_targetPropertyExpression = targetPropertyExpression;
if (TargetPropertyExpression == null)
{
//no target property expression was provided when activating, so ask the base class to create one
TargetPropertyExpression = AttemptCreateTargetPropertyExpression();
}
if (TargetPropertyExpression != null && (Mode == BindingMode.TwoWay || Mode == BindingMode.OneWayToSource))
{
//listen for changes in the target
TargetPropertyExpression.ValueChanged += TargetPropertyExpressionValueChanged;
}
OnActivated();
}
