HandyControl/Net40/HandyControlDemo_Net40/Tools/Converter/StringRepeatConverter.cs

using System;
using System.Globalization;
using System.Text;
using System.Windows.Data;

namespace HandyControlDemo.Tools.Converter
{
    public class StringRepeatConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string strValue)
            {
                var builder = new StringBuilder();
                int num;
                if (parameter is string numStr)
                {
                    if (!int.TryParse(numStr, out num))
                    {
                        return strValue;
                    }
                }
                else if(parameter is int intValue)
                {
                    num = intValue;
                }
                else
                {
                    return strValue;
                }
                for (var i = 0; i < num; i++)
                {
                    builder.Append(strValue);
                }
                return builder.ToString();
            }
            return string.Empty;
        }

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