BLOGS

USER INTERFACE

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Form Load Get Type

This How-Do-I shows you how you can use the FORM LOAD command (formerly OPEN PRINT FORMº) and the new commands OBJECT get type and LISTBOX GET OBJECTS.

 

Download for Windows or Mac

Use Popups with Variables

Up until 4D v13, combo boxes and popup menus had to be declared as arrays. As of 4D v14, they can now directly hold variables and fields!

Popups + Variables

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Library

The 4D Library starter application allows you to manage students' books as well as loaning books to students. It uses listboxes in "selection" mode.

Library

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4D Hierarchical Lists

This example demonstrates how to use a hierarchical list in 4D.

Lists are filled "on the fly" via the "on expand" and "on collapse" events.

 

hlists

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Duplicate Column

This How-Do-I is about listboxes.

It shows you how to programmatically duplicate and move a column.

 

Duplicate listbox column

 

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Rotate Text

This How-Do-I is about static text and non-enterable variables.

It shows you how to orient such text via the property list or by programming.

 

rotate text

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Save Screen Geometry

This How-Do-I demonstrates how 4D can automatically save – without any programming – the position of your windows, form objects, and values of certain objects (tabs, rulers, radio buttons, etc.).

Save screen geometry

 

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Scroll Two PIctures at Once

This How-Do-I demonstrates how to synchronously scroll two images at once with the OnPictureScroll event.

Scroll two pictures

 

Download for Windows or Mac