RESOURCES

EXAMPLE APPLICATIONS

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4D IndexesDesign Environment

This example shows the possibilities of using indexes in 4D v11 SQL.

4D v11 SQL's index types include:

- BTree index for non-repeated values (IDs, names, etc.)
- cluster index for repeated values (Booleans, titles (M., Ms., etc.))
- composite index for sorting (FirstName+LastName, City+ZipCode, State+City, etc.)
- keyword indexes for texts

This also covers indexes created stored in a separate file.

To demonstrate their efficiency, this example explains how to choose the correct index type.

Download for Windows or Mac

4D MailingExtensions

This application shows how to use the "4D Write" word processor to send customized e-mails to contacts as a mail shot.

Download for Windows or Mac

4D Objects Design Environment

This example shows all the interface objects managed by 4D.

These include:

- variables
- buttons
- field lists
- checkboxes
- etc.

To use it, you can click on the buttons representing the Form editor tool bar or you can select a specific type of object directly from a dropdown menu.

Download for Windows or Mac

4D Passwords (User Management)Server

This example shows how to manage users by programming.

It allows you to:

- save and restore users and their passwords (encrypted)
- use a customized connection dialog box
- remove or create new users
- create additional information for a user (icon, visibility, etc.)

Download for Windows or Mac

4D Static Web BuilderServer

This example shows how to publish a relational database on the Web both statically and dynamically.

It also shows how to transfer via FTP the generated static web site using the 4D Internet Commands plug-in. Additional information is provided when running the demo.

Download for Windows or Mac

4D User FormsRunning Applications

With 4D, users can modify certain forms.

Starting with a classic "clients - invoices - invoices_lines" structure, two forms can be duplicated then modified by the users: "envelopes" and "invoices."

These two templates have been deliberately left "open" so the final user can modify the text, formats and paper orientations, as well as margins, objects, etc.

Each form can be duplicated as many times as necessary. This allows, for example, specifying several envelope formats as well as different templates for the invoices.

Download for Mac or Windows

Hierarchical and Included ListsDesign Environment

These examples illustrate the use of two types of lists in 4D v11 SQL.

Hierarchical List

This database shows the possibilities of using a hierarchical list:

- display of items of the list of colors
- multiple selections allowed
- events used: "On Expand", "On Collapse" and "On Selection Change"
- dynamically built lists
- icons from resources, object library or variables

Included List

This database show the possibilities of included lists:

- calculated content updated according to the selections
- 4D v11 SQL customized interface (alignment, font style, etc.)
- graphic object replaces color of current selection
- display of contents of several tables in one form

Download for Windows or Mac

Integrated, Native SQLDesign Environment

One of the major features of 4D v11 SQL is its integrated, native SQL language.

The 4D v11 SQL language allows you to connect directly to an ODBC data source and to execute SQL queries inside "Begin SQL" and "End SQL" tags (and via the new 4D command: QUERY BY SQL).

This database shows how to carry out queries with the 4D language as well as with SQL.

Specific examples show both languages in parallel in order to compare them easily and to highlight their respective advantages. Comments and explanations are provided during the execution of these queries.

One example illustrates a simple query (which consists of finding the airports of a specific city and country).

A second example illustrates a join (which consists of finding from among a selection of airports those that can be accessed via a direct flight).

A third illustrates a complex SQL query written simply using the 4D language.

A fourth example shows a complex 4D query illustrating "nested" queries in SQL.

Download for Windows or Mac

Stock StalkerDesign Environment

Stock Stalker is a simple application that tracks your selected stocks.

A Web Area form object displays current graphs of your stocks' performance as retrieved from the internet, with options for update interval, zoom level, date range, and more. (Many thanks to 4D developer Tom Dillon for this contribution.)

Download for Windows or Mac

SVG Analog ClockExtensions

This demo uses a simple SVG file of an analog clock, animating the hour, minute and second hands based upon your system clock.

Requires 4D v11 SQL Release 3 or above.

Download for Windows or Mac

SVG GoodiesExtensions

This example demonstrates various uses of 4D SVG, from simple text formatting to advanced functions like creating images with reflections and even animation.

Requires 4D v11 SQL Release 3 or above.

Download for Windows or Mac

Theatre Seating Plan (SVG)Extensions

This is a simple simulation of a graphical seat selector for a theatre, showing seat availability based on a user's click.

Requires 4D v11 SQL Release 3 or above.

Download for Windows or Mac

Unicode SupportRunning Applications

This example demonstrates 4D's ability to display Unicode characters.

It also shows the conversion of characters when using the Uppercase and Lowercase functions.

Download for Windows or Mac

Web AreaDesign Environment

The new Web Area form object, introduced in 4D v11 SQL Release 2, allows you to display browser-accessible content in your 4D forms.

Web sites, local HTML pages, PDFs, movies, animations, JavaScript controls - all of them are at your diposal.

This demo uses Web Area to create a simple web browser, Google Maps mashup, document viewer, and canvas viewer in 4D v11 SQL.

Download for Windows or Mac

4D Contacts List BoxDesign Environment

This example shows you how to use the new "List Box" object with and without programming.

The "List Box" object replaces grouped arrays on your forms.

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