StringLengthToBoolConverter.cs 900 Bytes
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace HHECS.WinCommon.ValueConverter
{
    /// <summary>
    /// 字符串长度转换为bool
    /// 长度大于0转换为true,否则为false
    /// </summary>
    public class StringLengthToBoolConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string result)
            {
                return result.Length > 0;
            }
            else
            {
                return false;
            }
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}