ArcGIS Pro二次开发-选择gdb

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ArcGIS.Core.CIM;
using ArcGIS.Core.Data;
using ArcGIS.Core.Geometry;
using ArcGIS.Desktop.Catalog;
using ArcGIS.Desktop.Core;
using ArcGIS.Desktop.Editing;
using ArcGIS.Desktop.Extensions;
using ArcGIS.Desktop.Framework;
using ArcGIS.Desktop.Framework.Contracts;
using ArcGIS.Desktop.Framework.Dialogs;
using ArcGIS.Desktop.Framework.Threading.Tasks;
using ArcGIS.Desktop.Mapping;

namespace ProAppModule1
{
    internal class Button1 : Button
    {
        protected override void OnClick()
        {
            OpenItemDialog searchGdbDialog = new OpenItemDialog

            {

                Title = "Find GDB",

                InitialLocation = @"C:\Data",

                MultiSelect = false,

                Filter = ItemFilters.geodatabases

            };



            var ok = searchGdbDialog.ShowDialog();

            if (ok != true) return;

            var selectedItems = searchGdbDialog.Items;

            foreach (var selectedItem in selectedItems)
            {

                MessageBox.Show(selectedItem.Path);
            }

        }
    }
}