May 22, 1988


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Visual FoxPro refers to variations of FoxPro that are newer than edition 2.six this incorporates variations 3. 9.. If you have utilised an more mature model of FoxPro and change to Visible FoxPro, you will locate numerous distinctions these as the terms, language, tables and databases, keystrokes, instruments, screens, and studies and layouts.

Tables and Database Distinctions
One particular variance among Visible FoxPro and FoxPro is that Visual FoxPro distinguishes between databases and tables. Whilst tables from FoxPro two.six even now get the job done in Visible FoxPro, they will be saved as Visible FoxPro tables if the composition of the table is modified. Additionally, Visible FoxPro tables can accept null values. To prevent problems designed by makes an attempt to retailer null values to FoxPro two.6 variables or to Visible FoxPro controls, initialize variables or arrays. You can disable the NULL-entry crucial mixture, to stop people from making an attempt to keep null values to tables, by utilizing this statement ON Crucial LABEL CTRL0 *
The following are a number of table and database variances between Fox Professional two.6 and Visual Fox Professional
(FoxPro two.six Features Visible FoxPro Operation)
Character area with NOCPTRANS Attribute Character (BINARY) subject type. (See "Info and Area Varieties in the Visual FoxPro Aid file.)
Basic field dimensions Now 4 bytes. (See "General Field Kind" in the Visual FoxPro Enable file.)
Memo industry size Now 4 bytes. (See "Memo Field Form" in the Visual FoxPro Support file.)
Memo field with NOCPTRANS Characteristic Memo (BINARY) industry variety. (See "Knowledge and Field Forms" in the Visible FoxPro Help file.)
Numeric fields Currency data type, Ambigu field form, Float industry sort, Integer field form, or Numeric information form.
OLE info in a Basic area OLE Bound Handle.

Language Differences
Visible FoxPro redefines many conditions from older variations of FoxPro including
(FoxPro two.six Performance Visual FoxPro Features)
... GET subject text box management
Blanks or empty fields or variables Null values
Search (in a Sort) Grid management
Buffer File and table buffers and transactions.(See "Buffering Entry to Data" and "Using binary options system Transactions" in the Visible FoxPro Aid file.)
Code snippets Homes, techniques, and celebration code.(See "Setting Homes at Design and style Time" and "Assigning Method and Occasion Code" in the Visual FoxPro Enable file.)
Edit location EditBox management(See "Visible FoxPro Naming Guidelines" in the Visual FoxPro Enable file.)
Popup ComboBox control
Power resources Visible designers and toolboxs.(See "Utilizing Designers" and "Utilizing Toolbars" in the Visible FoxPro Enable file.)
PushButton CommandButton command
Radio button OptionButton manage
Display Kind
Display screen photo Picture control
Screen set Kind set
Text Label handle

Language Distinctions
In addition to the new instructions for Visible FoxPro, instructions for FoxPro 2.6 are backwards appropriate and fully functional with Visible FoxPro. There are a number of commands for FoxPro 2.six that have modified or enhanced abilities in Visible FoxPro. Visual Fox Professional enables very long names for objects, variables, windows, and tables. With the exception of discipline names in totally free tables and index tags, you are in a position to use up to 254 characters. Some of the significant language variations are detailed beneath
(FoxPro two.6 Functionality Visible FoxPro Operation)
... SAY Left Residence, Prime home
... SAY Picture Image, OLE Sure
BORDER BorderStyle residence
Move WINDOW Middle AutoCenter home
Colour ColorSourceForeColor, BackColor property
Coloration scheme ForeColor residence, BackColor house, ColorScheme property
Date info variety Date Information Kind and Date Time Variety
... GET DEFAULT Default home
Outline WINDOW Shut Closable home
Define WINDOW FLOAT Movable property
Outline WINDOW HALFHEIGHT HalfHeightCaption home
Outline WINDOW ICON FILE Icon residence
EMPTY( ), BLANK( ) to verify for non-existent info ISNULL( ) to check for null values representing unknown or non-existent data
Enable, Disable Enabled house
Font (Text Menu) FontName house
Font dimensions (Font dialog) FontSize property
Font model bold (Font dialog) FontBold home
Font design italic (Font dialog) FontItalic residence
... SAY Purpose, any ... GET Purpose Format residence
Height Top home
Horizontal placement (Screen Layout dialog) binary options trading systems Left property
... GET Communication cMessageText StatusBarText house
MODIFY Display MODIFY Sort command
MODIFY Framework TABLE Designer
Numeric information kind Numeric data type plus Float discipline kind, Integer discipline form, Double subject sort, and Currency information sort
Photograph InputMask home
Study ACTIVATE ReadActivate event
Examine CYCLE ReadCycle house
Examine DEACTIVATE ReadDeactivate celebration
Read through LOCK ReadLock house
Examine NOMOUSE ReadMouse home
Read Save ReadSave house
Read Show ReadShow occasion
Read TIMEOUT ReadTimeout residence
Go through Legitimate ReadValid occasion
Read through WHEN ReadWhen celebration
Display screen Name Name
SET NOCPTRANS (See "Stopping Translation of Data in Character or Memo Fields" in the Visible FoxPro Support file)
Display GET, Present Gets Refresh strategy
Measurement (Display screen Layout dialog) Top, Width properties
Style (Font dialog) FontBold, FontItalic, FontUnderline homes, FontShadow home,FontOutline residence, FontStrikeThru home
Terminate on choice (Display Builder) TerminateRead house
Title (Screen Builder) Caption property
Legitimate (Screen Builder) Click occasion, DblClick function, LostFocus event, Legitimate celebration
Valid Error ErrorMessage
Vertical placement (Display screen Layout dialog) Top residence
When (Display Builder) GotFocus event, When occasion
Width (Display Builder) Width home

Device Variations
Though some of the equipment in Visual FoxPro are the very same as in FoxPro 2.six, there are several Visible FoxPro equipment that are different or have different operation. Below is a rundown of some of the massive distinctions
(FoxPro two.six Features Visual FoxPro Functionality)
Catalog Manager Venture Supervisor
Venture Supervisor Challenge Manager
Display Builder Form Designer
Align (Object menu) Layout toolbox
Display screen Builder Toolbox Kind Controls toolbox
Handle dialogs and display layout dialogs Qualities window
Menu Builder Menu Designer
RQBE Query Designer
Report Writer Report Designer
Label Designer Label Designer
View window options Equipment Menu goods
Transporter Conversion Choices dialog box
Search window Grid Handle

Keystroke Variations
There are a several differences in the way Visible FoxPro and FoxPro two.six defines some of their navigation important mixtures. Under are a couple of of the most practical navigation essential instructions that are new or diverse.
To develop a new file
binary options trading online Ctrl N (Visual FoxPro)
Add a document to a scan window
Ctrl N (FoxPro two.6)
Ctrl Y (Visual FoxPro)
Do system in edit window
Ctrl O (FoxPro two.six)
Ctrl E (Visual FoxPro)
Enter null values into null enabled fields
Ctrl (Visible FoxPro)
Disable ability for people to enter null values into null enabled fields
On label Ctrl (Visible FoxPro)

Display screen Variations
Whilst you are equipped to run unconverted FoxPro 2.six screen files (.spr) in Visible FoxPro, Visible FoxPro forms use code in activities, approaches, and home settings in place of code snippets. Beneath, some of these variations are highlighted.
(FoxPro two.six Operation Visual FoxPro Features)
Outline, INSERT preprocessor statements Global incorporate file known as by new .SPR file. (See "Checking the .SPR File" in the Visible FoxPro Help file.)
Segment one Setup code Sort set Load event
Segment two Set up code Type Load event
Cleanup code besides methods Unload function
Code snippets System and event code and homes
Constants Solved only in approach and event code (See "Checking the .SPR File" in the Visual FoxPro Support file.)
Macro substitutions Unresolved in qualities. Use variables alternatively (See "Checking Transformed FoxPro 2.6 Screens" in the Visual FoxPro Assist file.)
Study WindowType residence

Report and Label Differences
Although you are equipped to use unconverted FoxPro two.6 reviews and labels in Visual FoxPro, with Visible FoxPro reviews and labels, you can set and handle the information atmosphere in order to control report content via report variables. Some of the differences among FoxPro two.6 and Visible FoxPro are shown under
(FoxPro 2.6 Features Visible FoxPro Performance)
Controls produced with the FoxPro Report Wizard making use of "Situation Relative To" possibilities May possibly need to have adjustment in Visual
Memo area measurement Now four bytes. (See "Memo subject type" in the Visual FoxPro Help file)
REPORT ENVIRONMENTLABEL Environment Data Surroundings (Look at Menu)(See "Environment Report and Data Resources" and "Managing a Report's Info Resources" in the Visual FoxPro Enable file)

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