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C# 获取分页的DirectorySearcher的搜索结果总数_C#_Active Directory - Fatal编程技术网

C# 获取分页的DirectorySearcher的搜索结果总数

C# 获取分页的DirectorySearcher的搜索结果总数,c#,active-directory,C#,Active Directory,我正在使用DirectorySearch搜索Active Directory中的对象。我将VirtualListView属性设置为仅返回几个值: using System; using System.DirectoryServices; namespace Testbed { internal class Testbed { private static void Main() { DoSearch();

我正在使用
DirectorySearch
搜索Active Directory中的对象。我将
VirtualListView
属性设置为仅返回几个值:

using System;
using System.DirectoryServices;

namespace Testbed
{
    internal class Testbed
    {
        private static void Main()
        {
            DoSearch();
            Console.ReadKey();
        }

        private static void DoSearch()
        {
            var entry = new DirectoryEntry("LDAP://server/DC=mydomain,DC=com", @"USERNAME", "PASSWORD");
            var searcher = new DirectorySearcher(entry)
            {
                PageSize = 0,
                SearchScope = SearchScope.Subtree,
                Filter = "(Description=J_*)",
                Sort = new SortOption("Description", SortDirection.Ascending),
                VirtualListView = new DirectoryVirtualListView(0, 9, 1)
            };

            SearchResultCollection results = searcher.FindAll();
            foreach (SearchResult result in results)
            {
                Console.WriteLine(result.Properties["Description"][0]);
            }
            Console.WriteLine("Found: " + results.Count);
        }
    }
}

是否有一种方法可以在不使用相应的
页面大小进行显式
DirectorySearch
-“call”(例如500)的情况下获取查询广告中的对象总数

DirectoryVirtualListView
类中有一个
ApproximateTotal
属性。您可以使用它,但请记住,您应该在代码中的
foreach
块之后访问它。 只需更改这一行:

Console.WriteLine("Found: " + results.Count);
对于这一点:

Console.WriteLine("Found: " + searcher.VirtualListView.ApproximateTotal);

全部完成

你想要的是
计数还是实际的对象?我只想要总数。