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using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace MaterialDesignThemes.Wpf.Converters
{
public class TextFieldHintVisibilityConverter : IValueConverter
{
public Visibility IsEmptyValue { get; set; } = Visibility.Visible;
public Visibility IsNotEmptyValue { get; set; } = Visibility.Hidden;
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return string.IsNullOrEmpty((value ?? "").ToString()) ? IsEmptyValue : IsNotEmptyValue;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return Binding.DoNothing;
}
}
}
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