31 lines
919 B
C#
31 lines
919 B
C#
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 FasdDesktopUi.Basics.Converter
|
|
{
|
|
public class NullValueToVisibilityConverter : IValueConverter
|
|
{
|
|
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
|
|
{
|
|
if (value == null)
|
|
return Visibility.Collapsed;
|
|
else if (value is string valueString)
|
|
if (string.IsNullOrWhiteSpace(valueString))
|
|
return Visibility.Collapsed;
|
|
|
|
return Visibility.Visible;
|
|
}
|
|
|
|
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
}
|
|
}
|