public bool DisplayBrowseItems(ZConnection connection,
bool bTriggerSelChanged = false)
{
object[] pList = { connection, bTriggerSelChanged };
return (bool)this.Invoke(
new ZSearchForm.Delegate_DisplayBrowseItems(__DisplayBrowseItems), pList);
}
// 显示MessageBox()
// 函数会自动判断，只有当前ZConnection才会显示出来
bool __ShowMessageBox(ZConnection connection,
string strText)
{
if (connection == this.GetCurrentZConnection())
{
MessageBox.Show(this, strText);
return true; // 被显示了
}
return false; // 没有被显示
}
/*
void LinkRecordsToListView(RecordCollection records)
{
this.CurrentRecords = records;
if (this.CurrentRecords != null)
this.listView_browse.VirtualListSize = this.CurrentRecords.Count;
else
this.listView_browse.VirtualListSize = 0;
// 迫使刷新
this.listView_browse.Invalidate();
}*/
#if NOOOOOOOOOOOOOOOOOOOOO
// 把存储在records结构中的信息填入listview
// parameters:
int FillRecordsToBrowseView(
Stop stop,
ZConnection connection,
RecordCollection records,
int nStart,
int nCount,
out string strError)
{
strError = "";
if (records == null)
return 0;
if (nStart + nCount > records.Count)
{
strError = "nStart["+nStart.ToString()+"]和nCount["+nCount.ToString()+"]参数之和超出records集合的尺寸["+records.Count.ToString()+"]";
return -1;
}
for (int i = nStart; i < nStart + nCount; i++)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断";
return -1;
// TODO: 中断后怎么办？似最后一条记录不代表Records中的最后了
}
}
DigitalPlatform.Z3950.Record record = records[i];
ListViewItem item = new ListViewItem(
(nStart + i + 1).ToString(),
record.m_nDiagCondition == 0 ? BROWSE_TYPE_NORMAL : BROWSE_TYPE_DIAG);
string strBrowseText = "";
int nRet = 0;
string[] cols = null;
if (record.m_nDiagCondition != 0)
{
strBrowseText = "诊断记录 condition=" + record.m_nDiagCondition.ToString() + "; addinfo=\"" + record.m_strAddInfo + "\"; diagSetOID=" + record.m_strDiagSetID;
goto DOADD;
}
else
{
byte[] baRecord = record.m_baRecord; //Encoding.ASCII.GetBytes(record.m_strRecord);
string strMARC = "";
string strMarcSyntaxOID = "";
// 可能为XML格式
if (record.m_strMarcSyntaxOID == "1.2.840.10003.5.109.10")
{
// 看根节点的名字空间，如果符合MARCXML, 就先转换为USMARC，否则，就直接根据名字空间找样式表加以转换
string strContent = Encoding.UTF8.GetString(baRecord);
string strNameSpaceUri = "";
nRet = GetRootNamespace(strContent,
out strNameSpaceUri,
out strError);
if (nRet == -1)
{
strBrowseText = strError;
goto DOADD;
}
if (strNameSpaceUri == Ns.usmarcxml)
{
string strOutMarcSyntax = "";
// 将MARCXML格式的xml记录转换为marc机内格式字符串
// parameters:
// bWarning ==true, 警告后继续转换,不严格对待错误; = false, 非常严格对待错误,遇到错误后不继续转换
// strMarcSyntax 指示marc语法,如果==""，则自动识别
// strOutMarcSyntax out参数，返回marc，如果strMarcSyntax == ""，返回找到marc语法，否则返回与输入参数strMarcSyntax相同的值
nRet = MarcUtil.Xml2Marc(strContent,
true,
"usmarc",
out strOutMarcSyntax,
out strMARC,
out strError);
if (nRet == -1)
{
strBrowseText = strError;
goto DOADD;
}
strMarcSyntaxOID = "1.2.840.10003.5.10";
nRet = GetBrowseText(
strMarcSyntaxOID,
strMARC,
out strBrowseText,
out strError);
if (nRet == -1)
strBrowseText = strError;
goto DOADD;
}
cols = new string[1];
cols[0] = strContent;
goto DOADDCOLS;
}
strMarcSyntaxOID = record.m_strMarcSyntaxOID;
// ISO2709转换为机内格式
nRet = Marc8Encoding.ConvertByteArrayToMarcRecord(
baRecord,
connection.GetRecordsEncoding(this.MainForm, strMarcSyntaxOID), // Encoding.GetEncoding(936),
true,
out strMARC,
out strError);
if (nRet < 0)
{
strBrowseText = strError;
goto DOADD;
}
if (connection.TargetInfo.DetectMarcSyntax == true)
{
// 探测MARC记录从属的格式：
// return:
// -1 无法探测
// 1 UNIMARC 规则：包含200字段
// 10 USMARC 规则：包含008字段(innopac的UNIMARC格式也有一个奇怪的008)
nRet = DetectMARCSyntax(strMARC);
if (nRet == 1)
strMarcSyntaxOID = "1.2.840.10003.5.1";
else if (nRet == 10)
strMarcSyntaxOID = "1.2.840.10003.5.10";
// 把自动识别的结果保存下来
record.AutoDetectedMarcSyntaxOID = strMarcSyntaxOID;
}
nRet = GetBrowseText(
strMarcSyntaxOID,
strMARC,
out strBrowseText,
out strError);
if (nRet == -1)
strBrowseText = strError;
}
DOADD:
cols = strBrowseText.Split(new char[] { '\t' });
DOADDCOLS:
for (int j = 0; j < cols.Length; j++)
{
item.SubItems.Add(cols[j]);
}
item.Tag = record;
this.listView_browse.Items.Add(item);
}
return 0;
}
void Stop_OnEndLoop(object sender, EndLoopEventArgs e)
{
lock (this)
{
this.m_nCompleteServerCount++;
}
ZConnection connection = this.ZConnections.FindZConnection((Stop)sender);
int nResultCount = Math.Max(0, connection.ResultCount);
this.m_nTotalHitCount += nResultCount;
this.m_connectionDir.ResultCount = this.m_nTotalHitCount;
this.m_connectionDir.ShowQueryResultInfo("命中结果总数: " + this.m_nTotalHitCount.ToString()
+ (this.m_nCompleteServerCount == this.m_nServerCount ? "" : "..."));
this.m_stopDir.SetMessage("正在检索。已完成检索的服务器数 " + this.m_nCompleteServerCount.ToString() + " (参与检索服务器总数 " + this.m_nServerCount.ToString() + ")...");
// 最后一次OnEnd触发
if (this.m_nCompleteServerCount == this.m_nServerCount)
{
this.m_connectionDir.EnableControls(true);
this.m_stopDir.EndLoop();
this.m_stopDir.OnStop -= new StopEventHandler(m_stopDir_OnStop);
// this.m_stopDir.Initial("");
// 收尾
this.m_connectionDir = null;
this.m_stopDir = null;
this.m_nTotalHitCount = 0;
this.m_nCompleteServerCount = 0;
this.m_nServerCount = 0;
// 解挂全部事件
for (int i = 0; i < this.m_stops.Count; i++)
{
Stop stop = this.m_stops[i];
stop.OnBeginLoop -= new BeginLoopEventHandler(Stop_OnBeginLoop);
stop.OnEndLoop -= new EndLoopEventHandler(Stop_OnEndLoop);
}
this.m_stops.Clear();
}
}
// 结果集追加到listview中
// parameters:
// records 当前新获得一批记录。需要追加到connection的Records中
int FillRecordsToBrowseView(
Stop stop,
ZConnection connection,
RecordCollection records,
out string strError)
{
Debug.Assert(connection == this.GetCurrentZConnection(), "不是当前connection，装入listview会破坏界面");
strError = "";
if (connection.Records == null)
connection.Records = new RecordCollection();
int nExistCount = connection.Records.Count;
Debug.Assert(this.listView_browse.Items.Count == nExistCount, "");
// 加入新的一批
connection.Records.AddRange(records);
int nRet = FillRecordsToBrowseView(
stop,
connection,
connection.Records,
nExistCount,
records.Count,
out strError);
if (nRet == -1)
return -1;
return 0;
}
public int NextBatch(ZConnection connection)
{
string strError = "";
int nRet = 0;
// 新装入一批记录
int nCount = Math.Min(connection.TargetInfo.PresentPerBatchCount,
connection.ResultCount - this.listView_browse.Items.Count);
if (nCount <= 0)
{
// 没有必要么
strError = "命中结果已经全部获取完毕。";
goto ERROR1;
}
// ZConnection connection = this.GetCurrentZConnection();
connection.Stop.OnStop += new StopEventHandler(this.DoStop);
connection.Stop.SetMessage("从服务器装入记录 ...");
connection.Stop.BeginLoop();
EnableControls(false);
this.Update();
this.MainForm.Update();
try
{
string strElementSetName = ZTargetControl.GetLeftValue(this.comboBox_elementSetName.Text); // this.CurrentTargetInfo.DefaultElementSetName;
if (strElementSetName == "B"
&& connection.TargetInfo.FirstFull == true)
strElementSetName = "F";
RecordCollection records = null;
nRet = DoPresent(
connection,
connection.TargetInfo.DefaultResultSetName,
this.listView_browse.Items.Count, // nStart,
nCount, // nCount,
strElementSetName, // "F" strElementSetName,
ZTargetControl.GetLeftValue(this.comboBox_recordSyntax.Text), // this.CurrentTargetInfo.PreferredRecordSyntax,
out records,
out strError);
if (nRet == -1)
{
strError = "从 " + this.listView_browse.Items.Count.ToString()
+ " 开始装入新的一批记录时出错：" + strError;
goto ERROR1;
}
else
{
nRet = FillRecordsToBrowseView(
connection.Stop,
connection,
records,
out strError);
if (nRet == -1)
goto ERROR1;
}
}
finally
{
connection.Stop.EndLoop();
connection.Stop.OnStop -= new StopEventHandler(this.DoStop);
connection.Stop.Initial("");
EnableControls(true);
}
return 0;
ERROR1:
MessageBox.Show(this, strError);
return -1;
}
// return:
// -1 error
// 0 fail
// 1 succeed
int DoSearch(
ZConnection connection,
string strQuery,
Encoding queryTermEncoding,
string[] dbnames,
string strResultSetName,
out int nResultCount,
out string strError)
{
strError = "";
BerTree tree = new BerTree();
SEARCH_REQUEST struSearch_request = new SEARCH_REQUEST();
byte[] baPackage = null;
int nRet;
int nRecvLen;
//int nMax;
//int i;
// -->
BerTree tree1 = new BerTree();
int nTotlen = 0;
nResultCount = 0;
struSearch_request.m_dbnames = dbnames;
Debug.Assert(struSearch_request.m_dbnames.Length != 0, "");
struSearch_request.m_strReferenceId = this.CurrentRefID;
struSearch_request.m_lSmallSetUpperBound = 0;
struSearch_request.m_lLargeSetLowerBound = 1;
struSearch_request.m_lMediumSetPresentNumber = 0;
struSearch_request.m_nReplaceIndicator = 1;
struSearch_request.m_strResultSetName = strResultSetName; // "default";
struSearch_request.m_strSmallSetElementSetNames = "";
struSearch_request.m_strMediumSetElementSetNames = "";
struSearch_request.m_strPreferredRecordSyntax = ZTargetControl.GetLeftValue(this.comboBox_recordSyntax.Text); // this.CurrentTargetInfo.PreferredRecordSyntax; // BerTree.MARC_SYNTAX;
struSearch_request.m_strQuery = strQuery;
struSearch_request.m_nQuery_type = 1;
struSearch_request.m_queryTermEncoding = queryTermEncoding;
// m_search_response.m_lErrorCode = 0;
nRet = tree.SearchRequest(struSearch_request,
out baPackage);
if (nRet == -1)
{
strError = "CBERTree::SearchRequest() fail!";
return -1;
}
#if NOTCPIP
if (m_hSocket == INVALID_SOCKET) {
strError = "socket已经关闭!";
return -1;
}
#endif
#if DUMPTOFILE
string strBinFile = this.MainForm.DataDir + "\\searchrequest.bin";
File.Delete(strBinFile);
DumpPackage(strBinFile,
baPackage);
string strLogFile = this.MainForm.DataDir + "\\searchrequest.txt";
File.Delete(strLogFile);
tree.m_RootNode.DumpToFile(strLogFile);
#endif
nRet = CheckConnect(
connection,
out strError);
if (nRet == -1)
return -1;
/*
nRet = this.ZChannel.SendTcpPackage(
baPackage,
baPackage.Length,
out strError);
if (nRet == -1 || nRet == 1)
{
// CloseZAssociation();
return -1;
}
//AfxMessageBox("发送成功");
baPackage = null;
nRet = this.ZChannel.RecvTcpPackage(
out baPackage,
out nRecvLen,
out strError);
if (nRet == -1)
{
// CloseZAssociation();
return -1;
}
* */
byte [] baOutPackage = null;
nRet = connection.ZChannel.SendAndRecv(
baPackage,
out baOutPackage,
out nRecvLen,
out strError);
if (nRet == -1)
return -1;
#if DEBUG
if (nRet == 0)
{
Debug.Assert(strError == "", "");
}
#endif
#if DUPMTOFILE
DeleteFile("searchresponse.bin");
DumpPackage("searchresponse.bin",
(char *)baOutPackage.GetData(),
baOutPackage.GetSize());
#endif
tree1.m_RootNode.BuildPartTree(baOutPackage,
0,
baOutPackage.Length,
out nTotlen);
SEARCH_RESPONSE search_response = new SEARCH_RESPONSE();
nRet = BerTree.GetInfo_SearchResponse(tree1.GetAPDuRoot(),
ref search_response,
true,
out strError);
if (nRet == -1)
return -1;
#if DUMPTOFILE
DeleteFile("SearchResponse.txt");
tree1.m_RootNode.DumpDebugInfoToFile("SearchResponse.txt");
#endif
/*
nRet = FitDebugInfo_SearchResponse(&tree1,
strError);
if (nRet == -1) {
AfxMessageBox(strError);
return;
}
*/
nResultCount = (int)search_response.m_lResultCount;
if (search_response.m_nSearchStatus != 0) // 不一定是1
return 1;
strError = "Search Fail: diagRecords:\r\n" + search_response.m_diagRecords.GetMessage();
return 0; // search fail
}
/*
发生未捕获的异常:
Type: System.ObjectDisposedException
Message: 無法存取已處置的物件。
物件名稱: 'ZSearchForm'。
Stack:
於 System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
於 System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
於 dp2Catalog.ZSearchForm.ShowQueryResultInfo(ZConnection connection, String strText)
於 dp2Catalog.ZConnection.ShowQueryResultInfo(String strText)
於 dp2Catalog.ZConnection.ZConnection_CommandsComplete(Object sender, EventArgs e)
於 dp2Catalog.ZConnection.ZConnection_PresentComplete(Object sender, EventArgs e)
於 dp2Catalog.ZConnection.ZChannel_present_SendRecvComplete(Object sender, EventArgs e)
於 DigitalPlatform.Z3950.ZChannel.RecvCallback(IAsyncResult ar)
於 System.Net.LazyAsyncResult.Complete(IntPtr userToken)
於 System.Net.ContextAwareResult.CompleteCallback(Object state)
於 System.Threading.ExecutionContext.runTryCode(Object userData)
於 System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
於 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
於 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
於 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
於 System.Net.ContextAwareResult.Complete(IntPtr userToken)
於 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
於 System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
於 System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
* */
/*
操作类型 crashReport -- 异常报告
主题 dp2catalog
发送者 xxx
媒体类型 text
内容 发生未捕获的异常:
Type: System.InvalidOperationException
Message: 在创建窗口句柄之前，不能在控件上调用 Invoke 或 BeginInvoke。
Stack:
在 System.Windows.Forms.Control.WaitForWaitHandle(WaitHandle waitHandle)
在 System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
在 System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
在 dp2Catalog.ZSearchForm.ShowQueryResultInfo(ZConnection connection, String strText)
在 dp2Catalog.ZConnection.ShowQueryResultInfo(String strText)
在 dp2Catalog.ZConnection.ZConnection_CommandsComplete(Object sender, EventArgs e)
在 dp2Catalog.ZConnection.ZChannel_ConnectComplete(Object sender, EventArgs e)
在 DigitalPlatform.Z3950.ZChannel.ConnectCallback(IAsyncResult ar)
在 System.Net.LazyAsyncResult.Complete(IntPtr userToken)
在 System.Net.ContextAwareResult.CompleteCallback(Object state)
在 System.Threading.ExecutionContext.runTryCode(Object userData)
在 System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
在 System.Net.ContextAwareResult.Complete(IntPtr userToken)
在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
在 System.Net.LazyAsyncResult.InvokeCallback(Object result)
在 System.Net.Sockets.Socket.MultipleAddressConnectCallback(IAsyncResult result)
在 System.Net.LazyAsyncResult.Complete(IntPtr userToken)
在 System.Net.ContextAwareResult.Complete(IntPtr userToken)
在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
在 System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
在 System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
dp2Catalog 版本: dp2Catalog, Version=2.4.5701.40614, Culture=neutral, PublicKeyToken=null
操作系统：Microsoft Windows NT 6.1.7600.0
操作时间 2015/8/20 14:22:46 (Thu, 20 Aug 2015 14:22:46 +0800)
前端地址 xxx 经由 http://dp2003.com/dp2library
* */
public bool ShowQueryResultInfo(ZConnection connection,
string strText)
{
if (this.IsDisposed == true
|| this.IsHandleCreated == false) // 2015/8/21
return false;
try
{
object[] pList = { connection, strText };
return (bool)this.Invoke(
new ZSearchForm.Delegate_ShowQueryResultInfo(__ShowQueryResultInfo), pList);
}
catch
{
// 2015/10/24
// TODO: 这是没办法的应急方法。最好还是重新设计窗口 closing 时的停止检索机制，然后把这里的 catch 放开
return false;
}
}
// parameters:
// strResultInfo [out]返回说明初始化结果的文字
int DoInitial(
ZConnection connection,
out string strResultInfo,
out string strError)
{
strResultInfo = "";
strError = "";
byte[] baPackage = null;
BerTree tree = new BerTree();
INIT_REQUEST struInit_request = new INIT_REQUEST();
int nRet;
int nRecvLen;
TargetInfo targetinfo = connection.TargetInfo;
if (connection.ZChannel.Initialized == true)
{
strError = "Already Initialized";
goto ERROR1;
}
struInit_request.m_strReferenceId = this.CurrentRefID; // "0";!!!
struInit_request.m_strOptions = "yynnnnnnnnnnnnnnnn"; // "yyynynnyynynnnyn";
struInit_request.m_lPreferredMessageSize = 0x100000; ////16384;
struInit_request.m_lExceptionalRecordSize = 0x100000;
if (String.IsNullOrEmpty(targetinfo.UserName) == false)
{
struInit_request.m_strID = targetinfo.UserName;
struInit_request.m_strPassword = targetinfo.Password;
struInit_request.m_strGroupID = targetinfo.GroupID;
struInit_request.m_nAuthenticationMethod = targetinfo.AuthenticationMethod;
}
else
{
struInit_request.m_strID = "";
struInit_request.m_strPassword = "";
struInit_request.m_strGroupID = "";
struInit_request.m_nAuthenticationMethod = -1;
}
/*
struInit_request.m_strImplementationId = "81"; // "81";
struInit_request.m_strImplementationVersion = "2.0.3 WIN32 Debug";
struInit_request.m_strImplementationName = "Index Data/YAZ";
* */
struInit_request.m_strImplementationId = "DigitalPlatform";
struInit_request.m_strImplementationVersion = "1.1.0";
struInit_request.m_strImplementationName = "dp2Catalog";
if (targetinfo.CharNegoUTF8 == true)
{
struInit_request.m_charNego = new CharsetNeogatiation();
struInit_request.m_charNego.EncodingLevelOID = CharsetNeogatiation.Utf8OID; // "1.0.10646.1.0.8"; // utf-8
struInit_request.m_charNego.RecordsInSelectedCharsets = (targetinfo.CharNegoRecordsUTF8 == true ? 1 : 0);
}
nRet = tree.InitRequest(struInit_request,
targetinfo.DefaultQueryTermEncoding,
out baPackage);
if (nRet == -1)
{
strError = "CBERTree::InitRequest() fail!";
goto ERROR1;
}
if (connection.ZChannel.Connected == false)
{
strError = "socket尚未连接或者已经被关闭";
goto ERROR1;
}
#if DUMPTOFILE
DeleteFile("initrequest.bin");
DumpPackage("initrequest.bin",
(char *)baPackage.GetData(),
baPackage.GetSize());
DeleteFile ("initrequest.txt");
tree.m_RootNode.DumpToFile("initrequest.txt");
#endif
/*
nRet = this.ZChannel.SendTcpPackage(
baPackage,
baPackage.Length,
out strError);
if (nRet == -1 || nRet == 1)
{
// CloseZAssociation();
return -1;
}
baPackage = null;
nRet = this.ZChannel.RecvTcpPackage(
out baPackage,
out nRecvLen,
out strError);
if (nRet == -1)
{
// CloseZAssociation();
return -1;
}
* */
byte[] baOutPackage = null;
nRet = connection.ZChannel.SendAndRecv(
baPackage,
out baOutPackage,
out nRecvLen,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
#if DUMPTOFILE
DeleteFile("initresponse.bin");
DumpPackage("initresponse.bin",
(char *)baOutPackage.GetData(),
baOutPackage.GetSize());
#endif
////////////////////////////////////////////////////////////////
BerTree tree1 = new BerTree();
int nTotlen = 0;
tree1.m_RootNode.BuildPartTree(baOutPackage,
0,
baOutPackage.Length,
out nTotlen);
#if DUMPTOFILE
DeleteFile("InitResponse.txt");
tree1.m_RootNode.DumpDebugInfoToFile("InitResponse.txt");
#endif
/*
nRet = FitDebugInfo_InitResponse(&tree1,
strError);
if (nRet == -1) {
return -1;
}
*/
INIT_RESPONSE init_response = new INIT_RESPONSE();
nRet = BerTree.GetInfo_InitResponse(tree1.GetAPDuRoot(),
ref init_response,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (targetinfo.IgnoreReferenceID == false)
{
// 2007/11/2。可以帮助发现旧版本dp2zserver的错误
if (struInit_request.m_strReferenceId != init_response.m_strReferenceId)
{
strError = "请求的 reference id [" + struInit_request.m_strReferenceId + "] 和 响应的 reference id [" + init_response.m_strReferenceId + "] 不一致！";
goto ERROR1;
}
}
if (init_response.m_nResult != 0)
{
strError = "Initial OK";
}
else
{
strError = "Initial被拒绝。\r\n\r\n错误码 ["
+ init_response.m_lErrorCode.ToString()
+ "]\r\n错误消息["
+ init_response.m_strErrorMessage + "]";
strResultInfo = ZConnection.BuildInitialResultInfo(init_response);
return -1;
}
/*
this->m_init_strOption = init_response.m_strOptions;
this->m_init_lPreferredMessageSize = init_response.m_lPreferredMessageSize;
this->m_init_lExceptionalRecordSize = init_response.m_lExceptionalRecordSize;
this->m_init_nResult = init_response.m_nResult;
* */
connection.ZChannel.Initialized = true;
// 字符集协商
if (init_response.m_charNego != null
&& BerTree.GetBit(init_response.m_strOptions, 17) == true)
{
if (init_response.m_charNego.EncodingLevelOID == CharsetNeogatiation.Utf8OID)
{
// 临时修改检索词的编码方式。
// 但是还无法反映到PropertyDialog上。最好能反馈。
targetinfo.DefaultQueryTermEncoding = Encoding.UTF8;
targetinfo.Changed = true;
if (init_response.m_charNego.RecordsInSelectedCharsets == 1)
connection.ForcedRecordsEncoding = Encoding.UTF8;
}
}
strResultInfo = ZConnection.BuildInitialResultInfo(init_response);
return 0;
ERROR1:
strResultInfo = strError;
return -1;
}
// 发送数据前检查连接
int CheckConnect(
ZConnection connection,
out string strError)
{
strError = "";
int nRet = 0;
if (connection.ZChannel.DataAvailable == true)
{
string strMessage = "";
// 处理Server可能发来的Close
// return:
// -1 error
// 0 不是Close
// 1 是Close，已经迫使ZChannel处于尚未初始化状态
nRet = CheckServerCloseRequest(
connection,
out strMessage,
out strError);
if (nRet == -1)
return -1;
if (nRet == 1)
{
nRet = connection.ZChannel.NewConnectSocket(connection.TargetInfo.HostName,
connection.TargetInfo.Port,
out strError);
if (nRet == -1)
return -1;
connection.TargetInfo.OnlineServerIcon(true);
string strInitialResultInfo = "";
nRet = this.DoInitial(
connection,
// connection.TargetInfo,
out strInitialResultInfo,
out strError);
if (nRet == -1)
{
connection.TargetInfo.OnlineServerIcon(false);
return -1;
}
// 设置当前树上已经选择的节点的扩展信息
nRet = ZTargetControl.SetCurrentTargetExtraInfo(
this.zTargetControl1.SelectedNode,
strInitialResultInfo,
out strError);
if (nRet == -1)
return -1;
}
}
return 0;
}
// 发送原始包
// parameters:
// strResultInfo [out]返回说明初始化结果的文字
int DoSendOriginPackage(
ZConnection connection,
byte [] baPackage,
out string strError)
{
strError = "";
TargetInfo targetinfo = connection.TargetInfo;
/*
if (connection.ZChannel.Initialized == true)
{
strError = "Already Initialized";
goto ERROR1;
}*/
if (connection.ZChannel.Connected == false)
{
strError = "socket尚未连接或者已经被关闭";
goto ERROR1;
}
byte[] baOutPackage = null;
int nRecvLen = 0;
int nRet = connection.ZChannel.SendAndRecv(
baPackage,
out baOutPackage,
out nRecvLen,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
return 0;
ERROR1:
return -1;
}
// 处理Server可能发来的Close
// return:
// -1 error
// 0 不是Close
// 1 是Close，已经迫使ZChannel处于尚未初始化状态
int CheckServerCloseRequest(
ZConnection connection,
out string strMessage,
out string strError)
{
strMessage = "";
strError = "";
if (connection.ZChannel.DataAvailable == false)
return 0;
int nRecvLen = 0;
byte [] baPackage = null;
int nRet = connection.ZChannel.RecvTcpPackage(
out baPackage,
out nRecvLen,
out strError);
if (nRet == -1)
return -1;
BerTree tree1 = new BerTree();
int nTotlen = 0;
tree1.m_RootNode.BuildPartTree(baPackage,
0,
baPackage.Length,
out nTotlen);
if (tree1.GetAPDuRoot().m_uTag != BerTree.z3950_close)
{
// 不是Close
return 0;
}
CLOSE_REQUEST closeStruct = new CLOSE_REQUEST();
nRet = BerTree.GetInfo_closeRequest(
tree1.GetAPDuRoot(),
ref closeStruct,
out strError);
if (nRet == -1)
return -1;
strMessage = closeStruct.m_strDiagnosticInformation;
/*
this.ZChannel.CloseSocket();
this.ZChannel.Initialized = false; // 迫使重新初始化
if (this.CurrentTargetInfo != null)
this.CurrentTargetInfo.OfflineServerIcon();
* */
connection.CloseConnection();
return 1;
}
// 清除以往的(已经获取到前端)结果集信息和相应的显示
// thread:
// 界面线程
void ClearResultInfo(ZConnection connection)
{
ZConnection current_connection = this.GetCurrentZConnection();
connection.ResultCount = -2; // 表示正在检索
if (connection.Records != null)
connection.Records.Clear();
// this.listView_browse.Items.Clear();
if (connection.VirtualItems != null)
{
connection.VirtualItems.Clear();
if (current_connection == connection)
LinkRecordsToListView(connection.VirtualItems); // listview是公用的
}
/*
if (current_connection == connection)
{
this.textBox_resultInfo.Text = ""; // 这个textbox是公用的
}
* */
if (current_connection == connection)
{
ShowQueryResultInfo(connection, "");
}
}
public bool ShowMessageBox(ZConnection connection,
string strText)
{
object[] pList = { connection, strText };
if (this.IsDisposed == true)
return false; // 防止窗口关闭后这里抛出异常 2014/5/15
return (bool)this.Invoke(
new ZSearchForm.Delegate_ShowMessageBox(__ShowMessageBox), pList);
}
// 获得记录
// 确保一定可以获得nCount个
int DoPresent(
ZConnection connection,
string strResultSetName,
int nStart,
int nCount,
string strElementSetName,
string strPreferredRecordSyntax,
out RecordCollection records,
out string strError)
{
records = new RecordCollection();
if (nCount == 0)
{
strError = "nCount为0";
return 0;
}
int nGeted = 0;
for (; ; )
{
RecordCollection temprecords = null;
int nRet = DoOncePresent(
connection,
strResultSetName,
nStart + nGeted,
nCount - nGeted,
strElementSetName,
strPreferredRecordSyntax,
out temprecords,
out strError);
if (nRet == -1)
return -1;
if (temprecords == null)
break;
nGeted += temprecords.Count;
if (temprecords.Count > 0)
records.AddRange(temprecords);
if (nGeted >= nCount || temprecords.Count == 0)
break;
}
return 0;
}
// 显示查询结果信息，在检索式的下部textbox中
// 函数会自动判断，只有当前ZConnection才会显示出来
bool __ShowQueryResultInfo(ZConnection connection,
string strText)
{
// 修改treenode节点上的命中数显示
ZTargetControl.SetNodeResultCount(connection.TreeNode,
connection.ResultCount);
if (connection == this.GetCurrentZConnection())
{
this.textBox_resultInfo.Text = strText;
return true; // 被显示了
}
return false; // 没有被显示
}
// 获得记录
// 不确保一定可以获得nCount个
// parameters:
// nStart 开始记录(从0计算)
int DoOncePresent(
ZConnection connection,
string strResultSetName,
int nStart,
int nCount,
string strElementSetName,
string strPreferredRecordSyntax,
out RecordCollection records,
out string strError)
{
records = null;
strError = "";
if (nCount == 0)
{
strError = "nCount为0";
return 0;
}
BerTree tree = new BerTree();
PRESENT_REQUEST struPresent_request = new PRESENT_REQUEST();
byte[] baPackage = null;
int nRet;
int nRecvLen;
// -->
BerTree tree1 = new BerTree();
int nTotlen = 0;
struPresent_request.m_strReferenceId = this.CurrentRefID;
struPresent_request.m_strResultSetName = strResultSetName; // "default";
struPresent_request.m_lResultSetStartPoint = nStart + 1;
struPresent_request.m_lNumberOfRecordsRequested = nCount;
struPresent_request.m_strElementSetNames = strElementSetName;
struPresent_request.m_strPreferredRecordSyntax = strPreferredRecordSyntax;
nRet = tree.PresentRequest(struPresent_request,
out baPackage);
if (nRet == -1)
{
strError = "CBERTree::PresentRequest() fail!";
return -1;
}
#if DUMPTOFILE
DeleteFile("presentrequest.bin");
DumpPackage("presentrequest.bin",
(char *)baPackage.GetData(),
baPackage.GetSize());
DeleteFile ("presentrequest.txt");
tree.m_RootNode.DumpToFile("presentrequest.txt");
#endif
nRet = CheckConnect(
connection,
out strError);
if (nRet == -1)
return -1;
/*
nRet = this.ZChannel.SendTcpPackage(
baPackage,
baPackage.Length,
out strError);
if (nRet == -1 || nRet == 1)
{
// CloseZAssociation();
return -1;
}
//////////////
baPackage = null;
nRet = this.ZChannel.RecvTcpPackage(
out baPackage,
out nRecvLen,
out strError);
if (nRet == -1)
{
// CloseZAssociation();
goto ERROR1;
}
* */
byte [] baOutPackage = null;
nRet = connection.ZChannel.SendAndRecv(
baPackage,
out baOutPackage,
out nRecvLen,
out strError);
if (nRet == -1)
return -1;
#if DUMPTOFILE
DeleteFile("presendresponse.bin");
DumpPackage("presentresponse.bin",
(char *)baPackage.GetData(),
baPackage.GetSize());
#endif
tree1.m_RootNode.BuildPartTree(baOutPackage,
0,
baOutPackage.Length,
out nTotlen);
#if DUMPTOFILE
DeleteFile("PresentResponse.txt");
tree1.m_RootNode.DumpDebugInfoToFile("PresentResponse.txt");
#endif
SEARCH_RESPONSE search_response = new SEARCH_RESPONSE();
nRet = BerTree.GetInfo_PresentResponse(tree1.GetAPDuRoot(),
ref search_response,
out records,
true,
out strError);
if (nRet == -1)
goto ERROR1;
/*
nRet = FitDebugInfo_PresentResponse(&tree1,
strError);
if (nRet == -1) {
goto ERROR1;
}
DeleteFile("PresentResponse.txt");
tree1.m_RootNode.DumpDebugInfoToFile("PresentResponse.txt");
*/
if (search_response.m_diagRecords.Count != 0)
{
/*
string strDiagText;
string strAddInfo;
nRet = GetDiagTextByNumber("bib1diag.txt",
m_search_response.m_nDiagCondition,
strDiagText,
strAddInfo,
strError);
if (nRet == -1) {
if (this->m_bAllowMessageBox)
AfxMessageBox(strError);
return -1;
}
if (strDiagText.GetLength())
strError = strDiagText;
else
strError.Format("diag condition[%d] diag set id[%s]",
m_search_response.m_nDiagCondition,
m_search_response.m_strDiagSetID);
* */
strError = "error diagRecords:\r\n\r\n---\r\n" + search_response.m_diagRecords.GetMessage();
return -1;
}
return 0;
ERROR1:
return -1;
}
// 根据不同格式自动创建浏览格式
public int BuildBrowseText(
ZConnection connection,
DigitalPlatform.Z3950.Record record,
string strStyle,
out string strBrowseText,
out int nImageIndex,
out string strError)
{
strBrowseText = "";
strError = "";
int nRet = 0;
nImageIndex = BROWSE_TYPE_NORMAL;
if (record.m_nDiagCondition != 0)
{
strBrowseText = "诊断记录 condition=" + record.m_nDiagCondition.ToString() + "; addinfo=\"" + record.m_strAddInfo + "\"; diagSetOID=" + record.m_strDiagSetID;
nImageIndex = BROWSE_TYPE_DIAG;
return 0;
}
string strElementSetName = record.m_strElementSetName;
if (strElementSetName == "B")
nImageIndex = BROWSE_TYPE_BRIEF;
else if (strElementSetName == "F")
nImageIndex = BROWSE_TYPE_FULL;
Encoding currrentEncoding = connection.GetRecordsEncoding(
this.MainForm,
record.m_strSyntaxOID);
string strSytaxOID = record.m_strSyntaxOID;
string strData = currrentEncoding.GetString(record.m_baRecord);
// string strOutFormat = "";
string strMARC = ""; // 暂存MARC机内格式数据
// 如果为XML格式
if (record.m_strSyntaxOID == "1.2.840.10003.5.109.10")
{
// 如果偏向MARC
if (StringUtil.IsInList("marc", strStyle) == true)
{
// 看根节点的名字空间，如果符合MARCXML, 就先转换为USMARC，否则，就直接根据名字空间找样式表加以转换
string strNameSpaceUri = "";
nRet = GetRootNamespace(strData,
out strNameSpaceUri,
out strError);
if (nRet == -1)
{
// 取根节点的名字空间时出错
return -1;
}
if (strNameSpaceUri == Ns.usmarcxml)
{
string strOutMarcSyntax = "";
// 将MARCXML格式的xml记录转换为marc机内格式字符串
// parameters:
// bWarning ==true, 警告后继续转换,不严格对待错误; = false, 非常严格对待错误,遇到错误后不继续转换
// strMarcSyntax 指示marc语法,如果==""，则自动识别
// strOutMarcSyntax out参数，返回marc，如果strMarcSyntax == ""，返回找到marc语法，否则返回与输入参数strMarcSyntax相同的值
nRet = MarcUtil.Xml2Marc(strData,
true,
"usmarc",
out strOutMarcSyntax,
out strMARC,
out strError);
if (nRet == -1)
{
// XML转换为MARC时出错
return -1;
}
// strOutFormat = "marc";
strSytaxOID = "1.2.840.10003.5.10";
goto DO_BROWSE;
}
}
// 不是MARCXML格式
// strOutFormat = "xml";
goto DO_BROWSE;
}
// SUTRS
if (record.m_strSyntaxOID == "1.2.840.10003.5.101")
{
// strOutFormat = "sutrs";
goto DO_BROWSE;
}
if (record.m_strSyntaxOID == "1.2.840.10003.5.1" // unimarc
|| record.m_strSyntaxOID == "1.2.840.10003.5.10") // usmarc
{
// ISO2709转换为机内格式
nRet = Marc8Encoding.ConvertByteArrayToMarcRecord(
record.m_baRecord,
connection.GetRecordsEncoding(this.MainForm, record.m_strSyntaxOID), // Encoding.GetEncoding(936),
true,
out strMARC,
out strError);
if (nRet < 0)
{
return -1;
}
// 如果需要自动探测MARC记录从属的格式：
if (connection.TargetInfo.DetectMarcSyntax == true)
{
// return:
// -1 无法探测
// 1 UNIMARC 规则：包含200字段
// 10 USMARC 规则：包含008字段(innopac的UNIMARC格式也有一个奇怪的008)
nRet = ZSearchForm.DetectMARCSyntax(strMARC);
if (nRet == 1)
strSytaxOID = "1.2.840.10003.5.1";
else if (nRet == 10)
strSytaxOID = "1.2.840.10003.5.10";
// 把自动识别的结果保存下来
record.AutoDetectedSyntaxOID = strSytaxOID;
}
// strOutFormat = "marc";
goto DO_BROWSE;
}
// 不能识别的格式。原样放置
strBrowseText = strData;
return 0;
DO_BROWSE:
if (strSytaxOID == "1.2.840.10003.5.1" // unimarc
|| strSytaxOID == "1.2.840.10003.5.10") // usmarc
{
return BuildMarcBrowseText(
strSytaxOID,
strMARC,
out strBrowseText,
out strError);
}
// XML还暂时没有转换办法
strBrowseText = strData;
return 0;
}
// 根据connection是否为当前connection，决定是否执行
// Enable/Disable检索式控件的操作
void __EnableQueryControl(
ZConnection connection,
bool bEnable)
{
ZConnection cur_connection = this.GetCurrentZConnection();
if (cur_connection == connection)
{
EnableQueryControl(bEnable);
}
}
public void GetNextAllBatch(ZConnection connection)
{
if (/*this.listView_browse.Items.Count*/
connection.Records.Count
>= connection.ResultCount)
{
MessageBox.Show(this, "已经获得了全部命中记录");
return;
}
/*
while(
connection.Records.Count < connection.ResultCount )
{
connection.NextBatch(true);
}
* */
connection.NextAllBatch(true);
}
public void EnableQueryControl(
ZConnection connection,
bool bEnable)
{
object[] pList = { connection, bEnable };
this.Invoke(
new ZSearchForm.Delegate_EnableQueryControl(__EnableQueryControl), pList);
}
void SaveListViewSelectedToVirtual(ZConnection connection)
{
// 保存listview中的选定事项
for (int i = 0; i < this.listView_browse.Items.Count; i++)
{
ListViewItem item = this.listView_browse.Items[i];
connection.VirtualItems[i].Selected = item.Selected;
}
}
// 显示当前新获得的浏览记录
// 函数会自动判断，只有当前ZConnection才会显示出来
bool __DisplayBrowseItems(ZConnection connection,
bool bTriggerSelChanged = false)
{
bool bRet = false; // 没有被显示
if (connection != null
&& connection == this.GetCurrentZConnection())
{
LinkRecordsToListView(connection.VirtualItems);
bRet = true; // 被显示了
}
if (bTriggerSelChanged == true)
{
listView_browse_SelectedIndexChanged(null, null);
}
return bRet;
}
// 检索一个服务器或者目录
// 这是包装后可以外部调用的版本 -- 检索当前目标树上选定的节点
public int DoSearch()
{
string strError = "";
int nRet = 0;
this._processing++;
try
{
TreeNode node = this.zTargetControl1.SelectedNode;
if (ZTargetControl.IsServerType(node) == true
|| ZTargetControl.IsDatabaseType(node) == true)
{
// return:
// -2 尚未输入检索词
// -1 一般错误
// 0 成功启动检索
nRet = DoSearchOneServer(
node,
out strError);
if (nRet == -1 || nRet == -2)
goto ERROR1;
}
else
{
Debug.Assert(ZTargetControl.IsDirType(node) == true, "");
if (this.m_stops.Count != 0)
{
// TODO: 是否需要提示出哪个目录正在进行群检?
strError = "当前正在进行着群检，不允许多次启动群检";
goto ERROR1;
}
ZConnection connection = this.GetCurrentZConnection();
// 获得共同的检索式
connection.QueryXml = this.queryControl1.GetContent(true);
if (String.IsNullOrEmpty(connection.QueryXml) == true)
{
strError = "尚未输入检索式";
goto ERROR1;
}
// 准备工作
this.m_nTotalHitCount = 0;
this.m_nCompleteServerCount = 0;
this.m_nServerCount = 0;
this.m_stopDir = connection.Stop;
this.m_connectionDir = connection;
this.m_stops.Clear();
this.m_bStartGroupSearch = false;
node.Expand();
/*
lock (this)
{
}
* */
#if NOOOOOOOOOOOOO
this.m_stopDir.OnStop += new StopEventHandler(m_stopDir_OnStop);
this.m_stopDir.SetMessage("开始检索 ...");
this.m_stopDir.BeginLoop();
this.m_connectionDir.EnableControls(false);
#endif
List<ZConnection> connections = new List<ZConnection>();
nRet = PrepareSearchOneDir(node,
connection.QueryXml,
ref connections,
out strError);
if (nRet == -1 || this.m_stops.Count == 0)
{
#if NOOOOOOOOOOOOOO
lock (this)
{
this.m_connectionDir.EnableControls(true);
this.m_stopDir.EndLoop();
this.m_stopDir.OnStop -= new StopEventHandler(m_stopDir_OnStop);
this.m_stopDir.Initial("");
// 解挂全部事件
for (int i = 0; i < this.m_stops.Count; i++)
{
Stop stop = this.m_stops[i];
stop.OnBeginLoop -= new BeginLoopEventHandler(Stop_OnBeginLoop);
stop.OnEndLoop -= new EndLoopEventHandler(Stop_OnEndLoop);
}
this.m_stops.Clear();
}
#endif
goto ERROR1;
}
this.m_nServerCount = this.m_stops.Count;
// 启动检索
for (int i = 0; i < connections.Count; i++)
{
ZConnection temp = connections[i];
#if THREAD_POOLING
List<string> commands = new List<string>();
commands.Add("search");
commands.Add("present");
temp.SetSearchParameters(
temp.QueryString,
temp.TargetInfo.DefaultQueryTermEncoding,
temp.TargetInfo.DbNames,
temp.TargetInfo.DefaultResultSetName);
temp.SetPresentParameters(
temp.TargetInfo.DefaultResultSetName,
0, // nStart,
temp.TargetInfo.PresentPerBatchCount, // nCount,
temp.TargetInfo.PresentPerBatchCount, // 推荐的每次数量
temp.DefaultElementSetName, // "F" strElementSetName,
temp.PreferredRecordSyntax,
true);
temp.BeginCommands(commands);
#else
temp.Search();
#endif
}
}
return 0;
}
finally
{
this._processing--;
}
ERROR1:
// 这里的报错，是在界面线程的报错
try // 防止最后退出时报错
{
MessageBox.Show(this, strError);
this.queryControl1.Focus();
}
catch
{
}
return -1;
}
/*
操作类型 crashReport -- 异常报告
主题 dp2catalog
发送者 xxx
媒体类型 text
内容 发生未捕获的异常:
Type: System.InvalidOperationException
Message: 在创建窗口句柄之前，不能在控件上调用 Invoke 或 BeginInvoke。
Stack:
在 System.Windows.Forms.Control.WaitForWaitHandle(WaitHandle waitHandle)
在 System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
在 System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
在 dp2Catalog.ZSearchForm.ShowQueryResultInfo(ZConnection connection, String strText)
在 dp2Catalog.ZConnection.ShowQueryResultInfo(String strText)
在 dp2Catalog.ZConnection.ZConnection_CommandsComplete(Object sender, EventArgs e)
在 dp2Catalog.ZConnection.ZChannel_ConnectComplete(Object sender, EventArgs e)
在 DigitalPlatform.Z3950.ZChannel.ConnectCallback(IAsyncResult ar)
在 System.Net.LazyAsyncResult.Complete(IntPtr userToken)
在 System.Net.ContextAwareResult.CompleteCallback(Object state)
在 System.Threading.ExecutionContext.runTryCode(Object userData)
在 System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
在 System.Net.ContextAwareResult.Complete(IntPtr userToken)
在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
在 System.Net.LazyAsyncResult.InvokeCallback(Object result)
在 System.Net.Sockets.Socket.MultipleAddressConnectCallback(IAsyncResult result)
在 System.Net.LazyAsyncResult.Complete(IntPtr userToken)
在 System.Net.ContextAwareResult.Complete(IntPtr userToken)
在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
在 System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
在 System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
dp2Catalog 版本: dp2Catalog, Version=2.4.5701.40614, Culture=neutral, PublicKeyToken=null
操作系统：Microsoft Windows NT 6.1.7600.0
操作时间 2015/8/20 14:22:46 (Thu, 20 Aug 2015 14:22:46 +0800)
前端地址 xxx 经由 http://dp2003.com/dp2library
* */
public bool ShowQueryResultInfo(ZConnection connection,
string strText)
{
if (this.IsDisposed == true
|| this.IsHandleCreated == false) // 2015/8/21
return false;
object[] pList = { connection, strText };
return (bool)this.Invoke(
new ZSearchForm.Delegate_ShowQueryResultInfo(__ShowQueryResultInfo), pList);
}