基础知识sql学习基础知识sql学习.pdf

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SQABasic Language Reference

Contents

Preface

Audience

Other Resources

Accessing SQABasic Help

Using the Examples in Help

Notes About the Examples

Typographical Conventions

Contacting Rational Technical Publications

Contacting Rational Technical Support

Part I Introducing SQABasic

Chapter 1 What Is SQABasic?

Automatic Script Generation

Working with Test Scripts

Your Work Environment

Source and Runtime Files

SQABasic Additions to the Basic Language

Other Commands Not Found in Basic

VU Scripting Language

Chapter 2 Functional List

Arrays

Compiler Directives

Datapool Commands (SQABasic Additions)

Dates & Times

Declarations

Dialog Box Definition

Dialog Box Services

Disk and Directory Control

Dynamic Data Exchange (DDE)

Environmental Control

Error Handling

File Control

File Input/Output

Financial Functions

Flow Control

Numeric and Trigonometric Functions

Object Scripting Commands (SQABasic Additions)

Objects

ODBC

Screen Input/Output

SQABasic Commands

String Conversions

String Manipulation

Timing and Coordination Commands (SQABasic Additions)

User Action Commands (SQABasic Additions)

Utility Commands (SQABasic Additions)

Variants

Verification Point Commands (SQABasic Additions)

Part II Using SQABasic

Chapter 3 SQABasic Fundamentals

Commands

Arguments

Passing Arguments By Value or By Reference

Syntax of By-Value and By-Reference Arguments

Syntax for Passing Arguments to External Procedures

Passing Named Arguments

Syntax of Named Arguments

Data Types

Descriptions of SQABasic Data Types

Data Type Notes

Variant Data Types

Valid Variant Data Types

Identifying the Type of Data Stored in a Variant

User-Defined Data Types

Declaring a Variable as a User-Defined Data Type

Dialog Box Records

Data Type Conversions

Arrays

Declaring an Array

Referencing an Array

Dynamic Arrays

Dimensions of a Dynamic Array

Dynamic Array Example

Expressions and Operators

Numeric Operators

String Concatenation Operators

Comparison Operators

Logical Operators

Scope of Variables and Constants

Year 2000 Compliance

Suggestions for Avoiding Year 2000 Problems

Trappable Errors

Responding to Errors

User-Defined Errors

Error-Handling Examples

Chapter 4 SQABasic Scripts

What is a Script?

Script Source Files

Script Executable Files

Script Structure

Script Initialization

Window Restoration

Script Body

Script Close

Sample Script

User Action and Verification Point Commands

User Action Commands

Verification Point Commands

Syntax of User Action and Verification Point Commands

Components of a Recognition Method String

Recognition Method Order

Changing the Default Order

Recognition Methods in Java Commands

Using Object Scripting Commands with Java Objects

Specifying Parent Objects in recMethod

Object Context

Establishing Context through a Window Command

Actions that Set Context

Assigning Context to the Currently Active Window

Using Wildcards in Window Captions

Using Wildcard Characters as Ordinary Characters

Establishing Context through Context Notation

Using Wildcards in Window Captions

Using Wildcard Characters as Ordinary Characters

Default Context

Customizing Scripts

Script Editing Basics

Declaring Variables and Constants

Declaring Local Variables and Constants

Declaring Module-Level Variables and Constants

Declaring Global Variables and Constants

Adding Custom Procedures to a Script

Declaring a Procedure Residing in a Script

Declaring a Sub Procedure

Declaring a Function

Using a Procedure Definition as a Declaration

Example of a Custom Procedure

Adding Custom Procedures to a Library File

Working With SQABasic Library Files

Creating SQABasic Library Files

Editing SQABasic Library Files

Compiling SQABasic Library Files

Declaring a Procedure Residing in an SQABasic Library File

Where to Declare an SQABasic Library File

Working With DLL Files

Declaring a Procedure Residing in a DLL File

Where to Declare a DLL File

Using SQABasic Header Files

Creating and Editing a Header File

Creating and Editing a Project Header File

Saving SQABasic Header Files

Scope of Declarations in SQABasic Header Files

Declaring Global Variables and Constants Inside Header Files

Declaring Global Procedures inside Header Files

Referencing an SQABasic Header File

Sample Library and Header Files

SQABasic Path

Using the Template File

Chapter 5 Enhancements to Recorded Scripts

Object Scripting

Specifying an Object

Object Type

SQABasic Object Type Names

Object Context

Other Ways to Specify an Object

Specifying the Object Property

Properties Assigned in the Development Environment

Additional Properties

Array of Property Values

Specifying Individual Elements in an Array

Retrieving an Entire Array

Retrieving the Number of Elements in an Array

Getting Help Defining Recognition Methods

Letting Robot Define Recognition Method Values

Finding Recognition Method Values Programmatically

Examples

Object Scripting Status Codes

Managing Custom Verification Points

Summary of Verification Point Management Commands

Current Baseline and Logged Baseline

Actual Data Files

Using the Verification Point Management Commands

Example

Ownership of Custom Verification Point Files

Comparing Environment States

Why Compare Environment States?

What Environment State Changes Are Detected?

Using the Environment State Comparison Commands

When To Use the Environment State Comparison Commands

Specifying the Areas of the Environment To Test

Example of an Environment State Comparison

Displaying Messages in Robot

Displaying Messages in the Console Window

Displaying the Console Window

Writing to the Console Window

Removing Messages from the Console Window

Displaying Messages in the LogViewer

Using SQALogMessage

Using SQAScriptCmdFailure

Using Datapools

Summary of Datapool Commands

Using Datapools with GUI Scripts

Recording a GUI Script

Adding Datapool Commands to a GUI Script

Substituting Variables for Literal Values

Edit Box Example

Combo List Box Example

Assigning Datapool Values to Variables

Creating a Datapool

Finding Out What Data Types You Need

Finding Values in GUI Scripts

Example GUI Script

Accessing External Applications

Dynamic Data Exchange (DDE)

Opening a DDE Channel

Communicating with the Application

Closing the Channel

Objects

Step 1: Create an Object Variable to Access the Application

Step 2: Use Methods and Properties to Act on Objects

Part III Command Reference

Chapter 6 Command Reference

Abs

AnimateControl

AnimateControlVP

AppActivate

Asc

Assert

Atn

Beep

Begin Dialog...End Dialog

Browser

Button

ButtonGroup

Calendar

CalendarVP

Call

CallScript

CancelButton

Caption

CCur

CDbl

ChDir

ChDrive

CheckBox (Statement)

CheckBox (User Action Command)

CheckBoxVP

Chr

CInt

Class List

Clipboard

ClipboardVP

CLng

ComboBox (Statement)

ComboBox (User Action Command)

ComboBoxVP

ComboEditBox

ComboEditBoxVP

ComboListBox

ComboListBoxVP

Command

Const

Cos

CreateObject

CSng

CStr

'$CStrings

CurDir

CVar

CVDate

DataWindow

DataWindowVP

Date (Function)

Date (Statement)

DateSerial

DateTime

DateTimeVP

DateValue

Day

DDEAppReturnCode

DDEExecute

DDEInitiate

DDEPoke

DDERequest

DDETerminate

Declare

Deftype

DelayFor

Desktop

Dialog (Function)

Dialog (Statement)

Dim

Arrays

Numbers

Objects

Strings

User-Defined

Variants

Dir

DlgControlID

DlgEnable (Function)

DlgEnable (Statement)

DlgEnd

DlgFocus (Function)

DlgFocus (Statement)

DlgListBoxArray (Function)

DlgListBoxArray (Statement)

DlgSetPicture

DlgText (Function)

DlgText (Statement)

DlgValue (Function)

DlgValue (Statement)

DlgVisible (Function)

DlgVisible (Statement)

Do...Loop

DoEvents

DropComboBox

DropListBox

EditBox

EditBoxVP

EndPlay

EndSaveWindowPositions

Environ

Eof

Erase

Erl

Err (Function)

Err (Statement)

Error (Function)

Error (Statement)

Exit

Exp

FileAttr

FileCopy

FileDateTime

FileLen

FileVP

Fix

For...Next

Format

Formatting Numbers

Formatting Dates and Times

Formatting Strings

FreeFile

Function...End Function

GenericObject

GenericObjectVP

Get

GetAttr

GetField

GetLastVPResult

GetObject

Global

Arrays

Numbers

User-Defined

Strings

Variants

GoTo

GroupBox (Statement)

GroupBox (User Action Command)

GroupBoxVP

Header

HeaderVP

Hex

HotKeyControl

HotKeyControlVP

Hour

HTML

HTMLVP

HTMLActiveX

HTMLActiveXVP

HTMLDocument

HTMLDocumentVP

HTMLHidden

HTMLHiddenVP

HTMLImage

HTMLImageVP

HTMLLink

HTMLLinkVP

HTMLTable

HTMLTableVP

If...Then...Else

'$Include

InitPlay

Input (Function)

Input (Statement)

InputBox

InputChars

InputKeys

InStr

Int

IPAddress

IPAddressVP

IPmt

IRR

IsDate

IsEmpty

IsMissing

IsNull

IsNumeric

JavaCanvas

JavaCanvasVP

JavaListView

JavaListViewVP

JavaMenu

JavaMenuVP

JavaObject

JavaObjectVP

JavaPanel

JavaPanelVP

JavaPopupMenu

JavaPopupMenuVP

JavaSplitPane

JavaSplitPaneVP

JavaSplitter

JavaSplitterVP

JavaTable

JavaTableVP

JavaTableHeader

JavaTableHeaderVP

JavaTree

JavaTreeVP

JavaWindow

JavaWindowVP

Kill

Label

LabelVP

LBound

LCase

Left

Len

Let

Line Input

ListBox (Statement)

ListBox (User Action Command)

ListBoxVP

ListView

ListViewVP

Loc

Lock

Lof

Log

Lset

LTrim

MenuIDSelect

MenuSelect

Mid (Function)

Mid (Statement)

Minute

MkDir

ModuleVP

Month

MsgBox (Function)

MsgBox (Statement)

Name

New

'$NoCStrings

Nothing

Now

NPV

Null

Object Class

Oct

OKButton

On...GoTo

On Error

Open

Option Base

Option Compare

Option Explicit

OptionButton

OptionGroup

Pager

PagerVP

PasswordBox

Picture

PlayJrnl

Pmt

PopupMenuIDSelect

PopupMenuSelect

PPmt

Private

ProgressBar

ProgressBarVP

PSCalendar

PSCalendarVP

PSGrid

PSGridHeader

PSGridHeaderVP

PSGridVP

PSMenu

PSMenuVP

PSNavigator

PSNavigatorVP

PSPanel

PSPanelVP

PSSpin

PSSpinVP

PSTree

PSTreeHeader

PSTreeHeaderVP

PSTreeVP

PushButton (Statement)

PushButton (User Action Command)

PushButtonVP

Put

RadioButton

RadioButtonVP

Randomize

Rate

Rebar

RebarVP

ReDim

RegionVP

Rem

Reset

ResetTime

Resume

RichEdit

RichEditVP

Right

RmDir

Rnd

Rset

RTrim

ScrollBar

ScrollBarVP

Second

Seek (Function)

Seek (Statement)

Select Case

SendKeys

Set

SetAttr

SetField

SetProcID

SetThinkAvg

SetTime

Sgn

Shell

Sin

Space

Spc

SpinControl

SpinControlVP

SQAConsoleClear

SQAConsoleWrite

SQADatapoolClose

SQADatapoolFetch

SQADatapoolOpen

SQADatapoolRewind

SQADatapoolValue

SQAEnvCreateBaseline

SQAEnvCreateCurrent

SQAEnvCreateDelta

SQAFindObject

SQAGetCaptionTerminatorChar

SQAGetChildren

SQAGetDir

SQAGetLogDir

SQAGetOcrRegionRect

SQAGetOcrRegionText

SQAGetProperty

SQAGetPropertyArray

SQAGetPropertyArrayAsString

SQAGetPropertyArraySize

SQAGetPropertyAsString

SQAGetPropertyNames

SQAGetSystemLong

SQAInvokeMethod

SQALogMessage

SQAQueryKey

SQAResumeLogOutput

SQAScriptCmdFailure

SQASetAssignmentChar

SQASetCaptionTerminatorChar

SQASetDefaultBrowser

SQASetProperty

SQASetSeparatorChar

SQAShellExecute

SQASuspendLogOutput

SQASyncPointWait

SQAVpGetActualFileName

SQAVpGetBaselineFileName

SQAVpGetCurrentBaselineFileName

SQAVpLog

SQAWaitForObject

SQAWaitForPropertyValue

SQLClose

SQLError

SQLExecQuery

SQLGetSchema

SQLOpen

SQLRequest

SQLRetrieve

SQLRetrieveToFile

Sqr

StartApplication

StartAppUnderCoverage

StartAppUnderNone

StartAppUnderPnC

StartAppUnderPurify

StartAppUnderQuantify

StartBrowser

StartJavaApplication

StartSaveWindowPositions

StartTimer

Static

StaticComboBox

StatusBar

StatusBarVP

Stop

StopTimer

Str

StrComp

String

Sub...End Sub

SysMenuIDSelect

SysMenuSelect

Tab

TabControl

TabControlVP

Tan

Text

TextBox

Time (Function)

Time (Statement)

Timer

TimeSerial

TimeValue

Toolbar

ToolbarVP

Trackbar

TrackbarVP

TreeView

TreeViewVP

Trim

Type

Typeof

TypingDelays

UBound

UCase

Unlock

UserDefinedTC

Val

VarType

WebSiteVP

Weekday

While...Wend

Width

Window

WindowVP

With

Write

WriteTestCaseResult

Year

Appendixes

Appendix A SQABasic Syntax Summary

Arguments

Array Dimensions

Array Elements

Array Subscripts

Comments

Context Notation

Functions

Labels

Line Continuation Syntax

Line Numbers

Names

Parameters (parameters$) Argument

Recognition Method (recMethod$) Argument

Strings

Sub Procedures

Variables of User-Defined Type

Appendix B Trappable Error Codes

Appendix C Object Scripting Status Codes

Appendix D Derived Trigonometric Functions

Appendix E Mouse Actions

MouseClick Actions

MouseDrag Actions

Index

SQABasic Language Reference VERSION 2001.03.00 PART NUMBER 800-023887-0000 support@rational.com http://www.rational.com

IMPORTANT NOTICE COPYRIGHT Copyright ©1998-2001, Rational Software Corporation. All rights reserved. Part Number: 800-023887-000 Revised 1/2001 PERMITTED USAGE THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION WHICH IS THE PROPERTY OF RATIONAL SOFTWARE CORPORATION (“RATIONAL”) AND IS FURNISHED FOR THE SOLE PURPOSE OF THE OPERATION AND THE MAINTENANCE OF PRODUCTS OF RATIONAL. NO PART OF THIS PUBLICATION IS TO BE USED FOR ANY OTHER PURPOSE, AND IS NOT TO BE REPRODUCED, COPIED, ADAPTED, DISCLOSED, DISTRIBUTED, TRANSMITTED, STORED IN A RETRIEVAL SYSTEM OR TRANSLATED INTO ANY HUMAN OR COMPUTER LANGUAGE, IN ANY FORM, BY ANY MEANS, IN WHOLE OR IN PART, WITHOUT THE PRIOR EXPRESS WRITTEN CONSENT OF RATIONAL. TRADEMARKS Rational, Rational Software Corporation, the Rational logo, Rational the e-development company, ClearCase, ClearQuest, Object Testing, Object-Oriented Recording, Objectory, PerformanceStudio, PureCoverage, PureDDTS, PureLink, Purify, Purify'd, Quantify, Rational Apex, Rational CRC, Rational PerformanceArchitect, Rational Rose, Rational Suite, Rational Summit, Rational Unified Process, Rational Visual Test, Requisite, RequisitePro, SiteCheck, SoDA, TestFactory, TestMate, TestStudio, and The Rational Watch are trademarks or registered trademarks of Rational Software Corporation in the United States and in other countries. All other names are used for identification purposes only, and are trademarks or registered trademarks of their respective companies. Microsoft, the Microsoft logo, the Microsoft Internet Explorer logo, DeveloperStudio, Visual C++, Visual Basic, Windows, the Windows CE logo, the Windows logo, Windows NT, the Windows Start logo, and XENIX are trademarks or registered trademarks of Microsoft Corporation in the United States and other countries. Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. FLEXlm and GLOBEtrotter are trademarks or registered trademarks of GLOBEtrotter Software, Inc. Licensee shall not incorporate any GLOBEtrotter software (FLEXlm libraries and utilities) into any product or application the primary purpose of which is software license management. PATENT U.S. Patent Nos.5,193,180 and 5,335,344 and 5,535,329 and 5,835,701. Additional patents pending. Purify is licensed under Sun Microsystems, Inc., U.S. Patent No. 5,404,499. GOVERNMENT RIGHTS LEGEND Use, duplication, or disclosure by the U.S. Government is subject to restrictions set forth in the applicable Rational Software Corporation license agreement and as provided in DFARS 277.7202-1(a) and 277.7202-3(a) (1995), DFARS 252.227-7013(c)(1)(ii) (Oct. 1988), FAR 12.212(a) (1995), FAR 52.227-19, or FAR 227-14, as applicable. WARRANTY DISCLAIMER This document and its associated software may be used as stated in the underlying license agreement. Rational Software Corporation expressly disclaims all other warranties, express or implied, with respect to the media and software product and its documentation, including without limitation, the warranties of merchantability or fitness for a particular purpose or arising from a course of dealing, usage, or trade practice. ii

Contents Preface Audience...................................................................................................xxi Other Resources ......................................................................................xxi Accessing SQABasic Help .......................................................................xxi Typographical Conventions...................................................................xxiii Contacting Rational Technical Publications ......................................... xxiv Contacting Rational Technical Support ................................................ xxiv Part I Introducing SQABasic 1 What Is SQABasic? Automatic Script Generation ......................................................................... 1-1 Working with Test Scripts ............................................................................. 1-2 Your Work Environment ........................................................................ 1-2 Source and Runtime Files.............................................................................. 1-3 SQABasic Additions to the Basic Language................................................... 1-3 Other Commands Not Found in Basic.................................................. 1-4 VU Scripting Language .................................................................................. 1-4 2 Functional List Arrays.............................................................................................................. 2-1 Compiler Directives....................................................................................... 2-1 Datapool Commands (SQABasic Additions) ................................................ 2-2 Dates & Times................................................................................................ 2-2 Declarations.................................................................................................... 2-2 Dialog Box Definition.................................................................................... 2-3 Dialog Box Services........................................................................................ 2-4 iii

Contents Disk and Directory Control........................................................................... 2-4 Dynamic Data Exchange (DDE) ................................................................... 2-5 Environmental Control.................................................................................. 2-5 Error Handling............................................................................................... 2-5 File Control .................................................................................................... 2-6 File Input/Output........................................................................................... 2-6 Financial Functions ........................................................................................ 2-7 Flow Control.................................................................................................. 2-7 Numeric and Trigonometric Functions........................................................ 2-8 Object Scripting Commands (SQABasic Additions) .................................... 2-8 Objects............................................................................................................ 2-9 ODBC ............................................................................................................ 2-9 Screen Input/Output.................................................................................... 2-10 SQABasic Commands ................................................................................. 2-10 String Conversions....................................................................................... 2-10 String Manipulation ..................................................................................... 2-11 Timing and Coordination Commands (SQABasic Additions)................... 2-12 User Action Commands (SQABasic Additions) ......................................... 2-12 Utility Commands (SQABasic Additions) .................................................. 2-15 Variants ......................................................................................................... 2-17 Verification Point Commands (SQABasic Additions) ................................ 2-17 Part II Using SQABasic 3 SQABasic Fundamentals Commands ..................................................................................................... 3-2 Arguments ...................................................................................................... 3-3 Passing Arguments By Value or By Reference....................................... 3-3 Passing Named Arguments..................................................................... 3-4 Data Types...................................................................................................... 3-5 Descriptions of SQABasic Data Types ................................................... 3-6 Variant Data Types.................................................................................. 3-7 User-Defined Data Types....................................................................... 3-8 Data Type Conversions .......................................................................... 3-9 Arrays............................................................................................................ 3-10 Declaring an Array ................................................................................ 3-10 iv SQABasic Language Reference

Contents Referencing an Array............................................................................. 3-10 Dynamic Arrays............................................................................................ 3-11 Dimensions of a Dynamic Array .......................................................... 3-11 Dynamic Array Example....................................................................... 3-11 Expressions and Operators........................................................................... 3-12 Numeric Operators............................................................................... 3-12 String Concatenation Operators........................................................... 3-12 Comparison Operators ......................................................................... 3-13 Logical Operators .................................................................................. 3-13 Scope of Variables and Constants ................................................................ 3-14 Year 2000 Compliance ................................................................................. 3-15 Suggestions for Avoiding Year 2000 Problems..................................... 3-16 Trappable Errors .......................................................................................... 3-16 Responding to Errors ............................................................................ 3-17 User-Defined Errors............................................................................. 3-17 Error-Handling Examples..................................................................... 3-17 4 SQABasic Scripts What is a Script? ............................................................................................. 4-1 Script Source Files .................................................................................. 4-2 Script Executable Files ............................................................................ 4-2 Script Structure ....................................................................................... 4-2 Sample Script .......................................................................................... 4-4 User Action and Verification Point Commands ........................................... 4-6 User Action Commands......................................................................... 4-6 Verification Point Commands ................................................................ 4-7 Syntax of User Action and Verification Point Commands .................... 4-8 Components of a Recognition Method String..................................... 4-10 Recognition Method Order .................................................................. 4-10 Recognition Methods in Java Commands............................................ 4-13 Object Context............................................................................................. 4-15 Establishing Context through a Window Command........................... 4-15 Establishing Context through Context Notation................................. 4-18 Default Context..................................................................................... 4-20 Contents v

Contents Customizing Scripts..................................................................................... 4-20 Script Editing Basics.............................................................................. 4-21 Declaring Variables and Constants ....................................................... 4-21 Adding Custom Procedures to a Script ................................................ 4-23 Adding Custom Procedures to a Library File....................................... 4-25 Using SQABasic Header Files.............................................................. 4-29 Sample Library and Header Files.......................................................... 4-32 SQABasic Path ...................................................................................... 4-33 Using the Template File ....................................................................... 4-34 5 Enhancements to Recorded Scripts Object Scripting ............................................................................................. 5-1 Specifying an Object ............................................................................... 5-2 Specifying the Object Property............................................................... 5-6 Array of Property Values......................................................................... 5-8 Getting Help Defining Recognition Methods........................................ 5-9 Object Scripting Status Codes .............................................................. 5-11 Managing Custom Verification Points ........................................................ 5-12 Summary of Verification Point Management Commands .................. 5-13 Current Baseline and Logged Baseline................................................. 5-14 Using the Verification Point Management Commands....................... 5-15 Ownership of Custom Verification Point Files.................................... 5-20 Comparing Environment States .................................................................. 5-20 Why Compare Environment States? .................................................... 5-20 What Environment State Changes Are Detected?................................ 5-21 Using the Environment State Comparison Commands...................... 5-21 Specifying the Areas of the Environment To Test............................... 5-22 Example of an Environment State Comparison................................... 5-23 Displaying Messages in Robot ..................................................................... 5-26 Displaying Messages in the Console Window...................................... 5-27 Displaying Messages in the LogViewer ................................................ 5-28 vi SQABasic Language Reference

Contents Using Datapools........................................................................................... 5-30 Summary of Datapool Commands....................................................... 5-31 Using Datapools with GUI Scripts ...................................................... 5-31 Recording a GUI Script ........................................................................ 5-32 Adding Datapool Commands to a GUI Script..................................... 5-32 Creating a Datapool .............................................................................. 5-35 Example GUI Script ............................................................................. 5-36 Accessing External Applications................................................................... 5-37 Dynamic Data Exchange (DDE) .......................................................... 5-37 Objects .................................................................................................. 5-38 Part III Command Reference 6 Command Reference Abs .................................................................................................................. 6-2 AnimateControl ............................................................................................. 6-2 AnimateControlVP......................................................................................... 6-4 AppActivate..................................................................................................... 6-6 Asc .................................................................................................................. 6-7 Assert .............................................................................................................. 6-7 Atn .................................................................................................................. 6-8 Beep................................................................................................................ 6-8 Begin Dialog...End Dialog ............................................................................. 6-9 Browser ........................................................................................................ 6-13 Button........................................................................................................... 6-16 ButtonGroup................................................................................................ 6-17 Calendar ....................................................................................................... 6-18 CalendarVP .................................................................................................. 6-19 Call ............................................................................................................... 6-21 CallScript...................................................................................................... 6-23 CancelButton ............................................................................................... 6-23 Caption ......................................................................................................... 6-25 CCur............................................................................................................. 6-26 CDbl............................................................................................................. 6-27 ChDir ........................................................................................................... 6-27 ChDrive........................................................................................................ 6-28 Contents vii

Contents CheckBox (Statement)................................................................................. 6-29 CheckBox (User Action Command)........................................................... 6-30 CheckBoxVP ................................................................................................ 6-32 Chr................................................................................................................ 6-35 CInt .............................................................................................................. 6-36 Class List....................................................................................................... 6-37 Clipboard...................................................................................................... 6-37 ClipboardVP................................................................................................. 6-38 CLng............................................................................................................. 6-39 Close............................................................................................................. 6-40 ComboBox (Statement)............................................................................... 6-41 ComboBox (User Action Command)......................................................... 6-43 ComboBoxVP .............................................................................................. 6-45 ComboEditBox ............................................................................................ 6-48 ComboEditBoxVP........................................................................................ 6-50 ComboListBox ............................................................................................. 6-53 ComboListBoxVP ........................................................................................ 6-56 Command .................................................................................................... 6-58 Const ............................................................................................................ 6-59 Cos................................................................................................................ 6-60 CreateObject ................................................................................................ 6-61 CSng............................................................................................................. 6-62 CStr .............................................................................................................. 6-63 '$CStrings ..................................................................................................... 6-64 CurDir.......................................................................................................... 6-65 CVar.............................................................................................................. 6-66 CVDate......................................................................................................... 6-67 DataWindow................................................................................................. 6-68 DataWindowVP............................................................................................ 6-72 Date (Function)............................................................................................ 6-74 Date (Statement) .......................................................................................... 6-75 DateSerial ..................................................................................................... 6-76 DateTime ..................................................................................................... 6-77 DateTimeVP................................................................................................. 6-78 DateValue ..................................................................................................... 6-79 viii SQABasic Language Reference

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