cvi教程匯總課件

LabWindows/CVI教程(2)用戶圖形界面設(shè)計(jì)喬立巖/531net/instrumentEmail:qiaoliyan@

MSN:qiaoliyan@

Tel:86413532/33ext.526Office:科學(xué)園2A棟5266/4/20231圖形用戶界面設(shè)計(jì)圖形用戶界面(GraphicalUserInterface)面板（panel）菜單條（menubar）控件（control）LabWindows/CVI自定義的資源格式面板設(shè)計(jì)其它資源的容器面板屬性編輯器使用用戶界面設(shè)計(jì)函數(shù)創(chuàng)建面板和改變面板屬性6/4/2023面板(panel)6/4/2023面板編輯窗口6/4/2023面板操作函數(shù)：NewPanel

創(chuàng)建面板int

NewPanel(int

Parent_Panel_Handle,charPanel_Title[],int

Panel_Top,int

Panel_Left,int

Panel_Height,int

Panel_Width);testPanelHandle=NewPanel(0,"新面板",10,10,200,300);LoadPanel

載入面板int

LoadPanel(int

Parent_Panel_Handle,charFilename[],int

Panel_Resource_ID);testPanelHandle=LoadPanel(0,"test.uir",PANEL_TEST);

DisplayPanel

顯示面板int

DisplayPanel(int

Panel_Handle);DisplayPanel(testPanelHandle);DiscardPanel

釋放面板int

DiscardPanel(int

Panel_Handle)DiscardPanel(testPanelHandle);6/4/2023HidePanel

隱藏面板int

HidePanel(int

Panel_Handle);HidePanel(testPanelHandle);GetPanelAttribute

獲取面板屬性int

GetPanelAttribute(int

Panel_Handle,int

Panel_Attribute,void*Attribute_Value);GetPanelAttribute(testPanelHandle,ATTR_BACKCOLOR,&color);SetPanelAttribute

設(shè)置面板屬性int

SetPanelAttribute(int

Panel_Handle,int

Panel_Attribute,...);SetPanelAttribute(testPanelHandle,ATTR_BACKCOLOR,VAL_RED);SavePanelState

保存面板狀態(tài)RacallPanelState

調(diào)出面板狀態(tài)……6/4/2023彈出式面板(Pop-upPanel)6/4/2023彈出式面板(Pop-upPanel)6/4/2023彈出式面板函數(shù)(Pop-upPanel)InstallPopup

載入彈出式面板int

InstallPopup(int

Panel_Handle);InstallPopup(testPanelHandle);RemovePopup

刪除彈出式面板int

RemovePopup(int

Remove_Popup);RemovePopup(0);MessagePopup

輸出信息對(duì)話框int

MessagePopup(charTitle[],charMessage[]);MessagePopup("提示信息","測(cè)試結(jié)束，全部合格");ConfirmPopup

等待確認(rèn)對(duì)話框YesorNoint

ConfirmPopup(charTitle[],charMessage[]);response=ConfirmPopup("測(cè)試信息","測(cè)量錯(cuò)誤，是否繼續(xù)？");PromptPopup

等待輸入字符信息對(duì)話框int

PromptPopup(charTitle[],charMessage[],charResponse_Buffer[],int

Max_Response_Length);PromptPopup("輸入信息","請(qǐng)輸入姓名",&name,20);6/4/2023FileSelectPopupint

FileSelectPopup(charDefault_Directory[],charDefault_File_Spec[],charFile_Type_List[],charTitle[],int

Button_Label,int

Restrict_Directory?,int

Restrict_Extension?,int

Allow_Cancel?,int

Allow_Make_Directory?,charPath_Name[]);i=FileSelectPopup("c:\\vxipnp","*.txt","*.*","選擇數(shù)據(jù)文件",VAL_LOAD_BUTTON,0,0,1,0,filename);DirSelectPopupint

DirSelectPopup(charDefault_Directory[],charTitle[],int

Allow_Cancel?,int

Allow_Make_Directory?,charPath_Name[]);i=DirSelectPopup("c:\\vxipnp","SelectDirectory",1,1,&pathname);WaveformGraphPopupint

WaveformGraphPopup(charTitle[],void*Y_Array,int

Number_of_Points,int

Y_Data_Type,doubleY_Gain,doubleY_Offset,doubleInitial_X,doubleX_Increment);WaveformGraphPopup("測(cè)量波形",testdata,1024,VAL_DOUBLE,1.0,0.0,0.0,1.0);6/4/2023菜單條設(shè)計(jì)簡(jiǎn)易菜單條和定制菜單條菜單制作和編輯器使用用戶界面函數(shù)創(chuàng)建和編輯菜單6/4/2023菜單編輯窗口6/4/2023菜單操作函數(shù)：LoadMenuBarint

LoadMenuBar(int

Destination_Panel_Handle,charFilename[],int

Menu_Bar_Resource_ID);mainMenuHandle=LoadMenuBar(testPanelHandle,"test.uir",MAIN_MENU);DiscardMenuBarint

DiscardMenuBar(int

Menu_Bar_Handle);DiscardMenuBar(mainMenuHandle);NewMenuBarint

NewMenuBar(int

Destination_Panel_Handle);mainMenuHandle=NewMenuBar(testPanelHandle);NewMenuint

NewMenu(int

Menu_Bar_Handle,charMenu_Name[],int

Before_Menu_ID);menuFileID=NewMenu(mainMenuHandle,"文件",－1);6/4/2023NewMenuItemint

NewMenuItem(int

Menu_Bar_Handle,int

Menu_ID,charItem_Name[],int

Before_Menu_Item_ID,int

Short_Cut_Key,MenuCallbackPtr

Event_Function,void*Event_Callback_Data);&menuFileOpenID=NewMenuItem(mainMenuHandle,menuFileID,"打開(kāi)...",－1,0,FileOpen,0);NewSubMenuint

NewSubMenu(int

Menu_Bar_Handle,int

Menu_Item_ID);menuFileOpenID=NewSubMenu(mainMenuHandle,menuFileID);

DiscardMenuDiscardSubMenuDiscardMenuItem……6/4/2023

控件設(shè)計(jì)控件種類：數(shù)值型(Numeric)：數(shù)值控件，顏色選擇控件，數(shù)值滑動(dòng)條6/4/2023文本型(Text)：字符串控件，文本信息，文本框6/4/2023命令按鈕(CommandButton)：命令按鈕，圖片按鈕雙態(tài)按鈕(ToggleButton)：雙態(tài)按鈕，文本/圖形按鈕，單選/復(fù)選控件6/4/2023指示等(LED)二值開(kāi)關(guān)(BinarySwitch)6/4/2023列表控件(Ring)：下拉列表，滑動(dòng)列表，圖形列表6/4/2023列表框(ListBox)裝飾控件(Decoration)6/4/2023圖形控件(Graph)：曲線圖控件，帶狀圖控件，數(shù)字圖控件曲線圖控件(Graph)6/4/2023帶狀圖控件(StripChart)6/4/2023數(shù)字圖控件(DigitalGraph)6/4/2023圖片控件(Picture)6/4/2023樹(shù)形控件(Tree)6/4/2023定時(shí)器控件(Timer)畫布控件(Canvas)6/4/2023表格控件(Table)6/4/2023分隔控件(Splitter)6/4/2023分頁(yè)控件(Tab)6/4/2023定制控件(CustomControl)6/4/2023通用控件操作函數(shù)：GetCtrlValint

GetCtrlVal(int

Panel_Handle,int

Control_ID,void*Value);GetCtrlVal(testPanelHandle,NUMERIC_VOL,&voltage);SetCtrlValint

SetCtrlVal(int

Panel_Handle,int

Control_ID,...);SetCtrlVal(testPanelHandle,NUMERIC_VOL,5.0);GetCtrlAttributeint

GetCtrlAttribute(int

Panel_Handle,int

Control_ID,int

Control_Attribute,void*Attribute_Value);GetCtrlAttribute(testPanelHandle,NUMERIC_VOL,ATTR_CTRL_VAL,&voltage);SetCtrlAttributeint

SetCtrlAttribute(int

Panel_Handle,int

Control_ID,int

Control_Attribute,...);SetCtrlAttribute(testPanelHandle,NUMERIC_VOL,ATTR_CTRL_VAL,5.0);6/4/2023特定控件操作函數(shù)：列表控件函數(shù)文本框控件函數(shù)圖形控件函數(shù)定時(shí)器控件函數(shù)表格控件函數(shù)……5.用戶界面管理：RunUserInterfaceint

RunUserInterface(void);QuitUserInterfaceint

QuitUserInterface(int

Return_Code);QuitUserInterface(0);6/4/20236.圖形界面設(shè)計(jì)舉例菜單的制作用StripChart顯示一組隨機(jī)數(shù)定時(shí)溫度采集顯示6/4/2023ActiveX控件ActiveX技術(shù)簡(jiǎn)介ActiveX技術(shù)是指寬松定義的、基于組件對(duì)象模型(COM)的技術(shù)集合。它是基于已經(jīng)存在的OLE（對(duì)象鏈接與嵌入）技術(shù)，通過(guò)把桌面系統(tǒng)“對(duì)象共享”的范圍擴(kuò)展到整個(gè)Internet，以使得構(gòu)造這類新應(yīng)用程序成為可能。COM定義了創(chuàng)建、配置和使用ActiveX應(yīng)用程序的規(guī)則。它是一個(gè)二進(jìn)制標(biāo)準(zhǔn)，包含了一系列規(guī)則，目的是構(gòu)建與語(yǔ)言無(wú)關(guān)的，面向?qū)ο蟮膽?yīng)用程序。6/4/2023ActiveX可以用來(lái)開(kāi)發(fā)能在不同的開(kāi)發(fā)環(huán)境中重復(fù)使用的組件。下面是其中的一些技術(shù)：ActiveX自動(dòng)化——在一個(gè)程序中自動(dòng)操作另一個(gè)程序。例如，在測(cè)試程序中，可以使用ActiveX自動(dòng)化使LabWindows/CVI程序中在后臺(tái)操作MicrosoftWord，生成帶有圖形和表格并顯示不同字體的測(cè)試報(bào)告。ActiveX控件——在外部程序中使用獨(dú)立的交互式對(duì)象。例如，可以在容器中(如LabWindows/CVI的面板)嵌入并使用一個(gè)MicrosoftCalendar控件或者M(jìn)easurementStudio3DGraph控件。ActiveX文檔——在容器中(如LabWindows/CVI的面板)查看文檔。例如，可以把一個(gè)MicrosoftWord文檔或Excel電子表格放在LabWindows/CVI的面板中顯示。6/4/2023ActiveX控件ActiveX控件是LabWindows/CVI的外部組件，可以象LabWindows/CVI的內(nèi)部控件一樣使用。設(shè)計(jì)帶有ActiveX控件的程序選擇ActiveX