/// <internalonly />
protected override void Activate()
{
if (_valueBinding == null) {
throw new InvalidOperationException("The ValueBinding property on BoundParameter must be set.");
}
_binder = new BindingShim(AssociatedElement, _valueBinding, OnValueBindingChanged);
}
/// <internalonly />
protected override void InvokeAction(EventArgs e)
{
if (String.IsNullOrEmpty(_propertyName)) {
throw new InvalidOperationException("The PropertyName property must be set on a SetProperty action.");
}
if (_valueBinding == null) {
throw new InvalidOperationException("The ValueBinding property must be set on a SetProperty action.");
}
object target = GetTarget();
if (target == null) {
throw new InvalidOperationException("There is no target object to set the specified property '" + _propertyName + "'.");
}
PropertyInfo targetProperty = target.GetType().GetProperty(_propertyName);
if (targetProperty == null) {
throw new InvalidOperationException("The specified property '" + _propertyName + "' was not found on an object of type '" + target.GetType().FullName + "'");
}
if (_binder == null) {
_binder = new BindingShim(AssociatedObject, _valueBinding, null);
}
object value = _binder.Value;
if (targetProperty.PropertyType != typeof(Object)) {
value = Convert.ChangeType(value, targetProperty.PropertyType, CultureInfo.CurrentCulture);
}
targetProperty.SetValue(target, value, null);
}
/// <internalonly />
protected override void OnDetach()
{
if (_binder != null) {
_binder.Dispose();
_binder = null;
}
base.OnDetach();
}
/// <internalonly />
protected override void Deactivate()
{
_binder.Dispose();
_binder = null;
}