【正文】 25 歷史表格構件 ................................................................................... 126 存盤數(shù)據(jù)瀏覽構件 ............................................................................ 134 文件播放構件 ................................................................................... 146 下拉框構件 ...................................................................................... 149 多行文本構件 ................................................................................... 154 存盤數(shù)據(jù)處理構件 ............................................................................ 156 條件曲線構件 ................................................................................... 165 格式文本構件 ................................................................................... 174 相對曲線構件 ................................................................................... 177 計劃曲線構件 ................................................................................... 184 設置時間構件 ................................................................................... 191 選擇框構件 ...................................................................................... 194 通用棒圖構件 ................................................................................... 196 第三章 MCGS 策略構件 ............................................................................. 205 運行策略類型 .................................................................................... 205 策略行條件部分 ................................................................................. 211 策略功能構件 .................................................................................... 212 第四章 MCGS 設備構件 ............................................................................. 275 概述 .................................................................................................. 275 通用設備的使用 ................................................................................. 277 通用串口父設備 ................................................................................. 316 第五章 MCGS 系統(tǒng)變量 ............................................................................. 324 目 錄 ? 3? $Year .................................................................................................. 324 $Month ............................................................................................... 324 $Day................................................................................................... 324 $Hour ................................................................................................. 324 $Minute .............................................................................................. 324 $Second .............................................................................................. 325 $Week................................................................................................. 325 $Date .................................................................................................. 325 $Time ................................................................................................. 325 $Timer .............................................................................................. 325 $RunTime .......................................................................................... 325 $PageNum ......................................................................................... 326 $UserName ........................................................................................ 326 第六章 MCGS 系統(tǒng)內(nèi)部函數(shù) ...................................................................... 327 運行環(huán)境操作函數(shù) ............................................................................. 327 數(shù)據(jù)對象操作函數(shù) ............................................................................. 331 用戶登錄操作函數(shù) ............................................................................. 338 字符串操作函數(shù) ................................................................................. 341 定時器操作函數(shù) ................................................................................. 345 系統(tǒng)操作函數(shù) .................................................................................... 348 數(shù)學函數(shù) ........................................................................................... 356 文件操作函數(shù) .................................................................................... 359 ODBC 數(shù)據(jù)庫函數(shù) ............................................................................. 365 配方操作函數(shù) ................................................................................... 370 時間運算函數(shù) ................................................................................... 376 用戶窗口的方法與屬性 ..................................................................... 381 數(shù)據(jù)對象的屬性 ............................................................................... 384 第七章 MCGS 中提供的對象 ...................................................................... 388 ? 4? MCGS組態(tài)軟件參考手冊 實時數(shù)據(jù)庫對象 ................................................................................. 388 存盤服務對象 .................................................................................... 404 第八章 開發(fā) MCGS 設備驅動 ..................................................................... 406 設備驅動構件的實現(xiàn)方法 ................................................................... 406 設備驅動構件接口規(guī)范 ...................................................................... 407 利用開發(fā)向導生成框架 ...................................................................... 411 利用樣例程序移植 ............................................................................. 413 測試和掛接設備驅動構件 ................................................................... 416 IO 端口的操作 ................................................................................... 41