using Microsoft.WindowsAPICodePack.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WpfApp1
{
    public static class FolderHelper
    {
        /// <summary>
        /// 打开目录选择对话框，返回选择的路径。取消则返回 null。
        /// </summary>
        public static string? SelectFolder(string title = "请选择保存目录")
        {
            var dialog = new CommonOpenFileDialog
            {
                IsFolderPicker = true,
                Title = title
            };

            if (dialog.ShowDialog() == CommonFileDialogResult.Ok)
            {
                return dialog.FileName;
            }

            return null;
        }
    }
}