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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.Activities.Core.Presentation
{
using System.Activities.Presentation.Model;
using System.Globalization;
using System.Runtime;
using System.Windows.Data;
sealed class FlowSwitchLinkMultiValueConverter : IMultiValueConverter
{
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
bool isDefaultCase = (bool)values[1];
if (isDefaultCase)
{
// Fx.Assert(values.Length == 3, "The multi-binding must have been constructed by FlowSwitchLink.");
// For default case, we should have got three bindings. Two binding is possible when the linkModelItem is replaced but the view is not completely re-constructed yet.
return values.Length == 3 ? values[2] : null;
}
else
{
return GenericFlowSwitchHelper.GetString(values[0], (Type) parameter);
}
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
throw FxTrace.Exception.AsError(new NotImplementedException());
}
}
}
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