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							- using System;
 
- using System.Collections.Generic;
 
- using System.Globalization;
 
- using System.Linq;
 
- using System.Text;
 
- using System.Threading.Tasks;
 
- using System.Windows;
 
- using System.Windows.Data;
 
- namespace VirgoUI.Converter
 
- {
 
- 	public class HideNullConverter : IValueConverter
 
- 	{
 
- 		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
 
- 		{
 
- 			if (value == null)
 
- 			{
 
- 				return Visibility.Collapsed;
 
- 			}
 
- 			else
 
- 			{
 
- 				return Visibility.Visible;
 
- 			}
 
- 		}
 
- 		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
 
- 		{
 
- 			throw new NotImplementedException();
 
- 		}
 
- 	}
 
- }
 
 
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