using Microsoft.Office.InfoPath;

using System;

using System.Xml;

using System.Xml.XPath;

namespace 模板2

{

    public partial class FormCode

    {

        // 启用浏览器功能的表单不支持成员变量。

        // 请使用代码从 FormState 词典

        // 写入和读取这些值，如下所示:

        //

       

        // 注意: 以下是 Microsoft Office InfoPath 所需的过程。

        // 可以使用 Microsoft Office InfoPath 对其进行修改。

        public void InternalStartup()

        {

            EventManager.XmlEvents["/my:myFields/my:group1/my:group2/my:field1"].Changed += new XmlChangedEventHandler(field1_Changed);

            EventManager.XmlEvents["/my:myFields/my:group1/my:group2/my:field1"].Validating += new XmlValidatingEventHandler(field1_Validating);

            EventManager.FormEvents.Loading += new LoadingEventHandler(FormEvents_Loading);

        }

        //private bool _isLooped = false;

        public void SetNull(XPathNodeIterator iter)

        {

            while (iter.MoveNext())

            {

                {

                    iter.Current.SelectSingleNode("my:field1", NamespaceManager).SetValue("");

                }

            }

            FormState["isLooped"] = true;

        }

        public void field1_Changed(object sender, XmlEventArgs e)

        {

           

            XPathNavigator nav = (XPathNavigator)sender;

            if (nav.LocalName != "field1")

                return;

            if (nav.Value == "")

                return;

            try

            {

                XPathNavigator xpn = this.CreateNavigator().SelectSingleNode("/my:myFields/my:group1", NamespaceManager);

                XPathNodeIterator iter = xpn.SelectChildren(XPathNodeType.Element);

                if ((bool)FormState["isLooped"] == false)

                {

                    SetNull(iter);

                    nav.SetValue("Y");

                }

                FormState["isLooped"] = false;

            }

            catch

            { }

            finally

            {

            }

        }

        public void field1_Validating(object sender, XmlValidatingEventArgs e)

        {

            // 在此处编写代码。

        }

        public void FormEvents_Loading(object sender, LoadingEventArgs e)

        {

            // 在此处编写代码。

            FormState["isLooped"] = false;

        }

    }

}