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//===================================================================================
// Microsoft patterns & practices
// Composite Application Guidance for Windows Presentation Foundation and Silverlight
//===================================================================================
// Copyright (c) Microsoft Corporation. All rights reserved.
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE.
//===================================================================================
// The example companies, organizations, products, domain names,
// e-mail addresses, logos, people, places, and events depicted
// herein are fictitious. No association with any real company,
// organization, product, domain name, email address, logo, person,
// places, or events is intended or should be inferred.
//===================================================================================
using System;
using System.Globalization;
using System.Windows.Data;
namespace BlueMarble.Genesis.Infrastructure.Converters
{
public class StringToNullableNumberConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
string stringValue = value as string;
if (stringValue != null)
{
if (targetType == typeof(int?))
{
int result;
if (int.TryParse(stringValue, out result))
return result;
return null;
}
if (targetType == typeof(decimal?))
{
decimal result;
if (decimal.TryParse(stringValue, out result))
return result;
return null;
}
}
return value;
}
}
}
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