packages/MaterialDesignThemes.2.5.1/src/net45/Converters/NullToVisibilityConverter.cs
(完整代码) 716Busing System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace MaterialDesignThemes.Wpf.Converters
{
public class NullableToVisibilityConverter : IValueConverter
{
public Visibility NullValue { get; set; } = Visibility.Collapsed;
public Visibility NotNullValue { get; set; } = Visibility.Visible;
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value == null ? NullValue : NotNullValue;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return Binding.DoNothing;
}
}
}
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