Files
29WxOrder/29WxOrderWpf/Converters/TextToVisibilityConverter.cs
T

37 lines
1.2 KiB
C#

using NaiBa.Util.Extension;
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 _29WxOrderWpf.Converters
{
public class HasTextToVisibilityConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return !value.ParseToString().IsNullOrEmpty() ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException(); // 单向绑定可不实现
}
}
public class NotHasTextToVisibilityConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value.ParseToString().IsNullOrEmpty() ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException(); // 单向绑定可不实现
}
}
}