///二、利用網絡上流出的通達信接口進行二次編程開發。

///先貼出可調用的方法

????????///?打開通達信實例
????????///?
????????[DllImport（“tdxtraderapi.dll“?CharSet?=?CharSet.Ansi）]
????????public?static?extern?void?OpenTdx（）;

????????///?

????????///?關閉通達信實例
????????///?

????????[DllImport（“tdxtraderapi.dll“?CharSet?=?CharSet.Ansi）]
????????public?static?extern?void?CloseTdx（）;

????????///?

????????///?交易賬戶登錄
????????///?

????????///?券商交易服務器IP
????????///?券商交易服務器端口
????????///?設置通達信客戶端的版本號:6.00或8.00
????????///?營業部編碼：國泰君安為7
????????///?資金賬號
????????///?交易帳號與資金帳號相同
????????///?交易密碼
????????///?通訊密碼為空
????????///?此API執行返回后，如果出錯，保存了錯誤信息說明。一般要分配256字節的空間。沒出錯時為空字符串
????????///?客戶端ID，失敗時返回-1。正確時為從0開始按登陸次數疊加
????????[DllImport（“tdxtraderapi.dll“?CharSet?=?CharSet.Ansi）]
????????public?static?extern?int?Logon（string?IP?short?Port?string?Version?short?YybId?string?AccountNo?string?TradeAccount?string?JyPassword?string?TxPassword?StringBuilder?ErrInfo）;

????????///?

????????///?交易賬戶注銷
????????///?

????????///?客戶端ID
????????[DllImport（“tdxtraderapi.dll“?CharSet?=?CharSet.Ansi）]
????????public?static?extern?void?Logoff（int?ClientID）;

????????///?

????????///?融資融券直接還款
????????///?

????????///?客戶端ID
????????///?還款金額
????????///?同上
????????///?同上

????????[DllImport（“tdxtraderapi.dll“?CharSet?=?CharSet.Ansi）]
????????public?static?extern?void?Repay（int?ClientID?string?Amount?StringBuilder?Result?StringBuilder?ErrInfo）;

????????///?

????????///?查詢各種歷史數據
????????///?

????????///?客戶端ID
????????///?表示查詢信息的種類，0歷史委托??1歷史成交???2交割單
????????///?表示開始日期，格式為yyyyMMdd比如2014年3月1日為??20140301
????????///?表示結束日期，格式為yyyyMMdd比如2014年3月1日為??20140301
????????///?同上
????????///?同上

????????[DllImport（“tdxtraderapi.dll“?CharSet?=?CharSet.Ansi）]
????????public?static?extern?void?QueryHistoryData（int?ClientID?int?Category?string?StartDate?string?EndDate?StringBuilder?Result?StringBuilder?ErrInfo）;

????????///?

????????///?查詢各種交易數據
????????///?

????????///?客戶端ID
????????///?表示查詢信息的種類，0資金??1股份???2當日委托??3當日成交?????4可撤單???5股東代碼??6融資余額???7融券余額??8可融證券
????????///?此API執行返回后，Result內保存了返回的查詢數據?形式為表格數據，行數據之間通過\n字符分割，列數據之間通過\t分隔。

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2161??2016-12-20?11:20??使用說明.txt
?????目錄???????????0??2016-12-27?12:06??新版TradeX.dll（行情交易二合一）\
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\
?????文件????????1219??2016-12-17?17:33??新版TradeX.dll（行情交易二合一）\CPP\TradeX.dll?演示、開發文件列表.txt
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo\
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\bin\
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\bin\TradeXDemo\
?????文件?????????260??2016-12-09?16:13??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\bin\TradeXDemo\system.uid
?????文件?????5025280??2016-12-09?14:22??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\bin\TradeXDemo\TradeX.dll
?????文件?????????352??2016-12-09?16:07??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\bin\TradeXDemo\TradeX.lic
?????文件????????5610??2016-12-09?15:24??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\HqTest.cpp
?????文件????????1574??2016-12-09?14:37??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\ReadMe.txt
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\Release\
?????文件?????????260??2016-12-09?15:24??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\Release\system.uid
?????文件?????????215??2016-12-09?14:37??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\stdafx.cpp
?????文件?????????233??2016-12-09?14:37??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\stdafx.h
?????文件?????????236??2016-12-09?14:37??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\targetver.h
?????目錄???????????0??2016-12-19?10:12??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX-dev\
?????文件?????5025280??2016-12-09?14:22??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX-dev\TradeX.dll
?????文件???????21709??2016-12-09?14:47??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX-dev\TradeX.h
?????文件????????7986??2016-12-09?14:21??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX-dev\TradeX.lib
?????文件?????????352??2016-12-09?16:07??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX-dev\TradeX.lic
?????文件?????5025280??2016-12-09?14:22??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX.dll
?????文件???????22317??2016-12-17?17:06??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX.h
?????文件????????7986??2016-12-09?14:21??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX.lib
?????文件?????????352??2016-12-09?16:07??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeX.lic
?????文件????????4537??2016-12-09?16:06??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeXDemo.cpp
?????文件?????????886??2016-12-09?14:37??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeXDemo.sln
?????文件???????11776??2016-12-09?16:13??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeXDemo.suo
?????文件????????4746??2016-12-09?16:09??新版TradeX.dll（行情交易二合一）\CPP\TradeXDemo-src\TradeXDemo.vcxproj
............此處省略74個文件信息