A picture field or variable can store different image formats – and even one image in several formats at the same time. As example, an image could be stored as PNG, SVG and MacPICT – in the same variable.
The new GET PICTURE FORMATS command permits you to get the number and types of format that are contained in a C_PICTURE variable.
From 4D v16, you can define at design phase the way a 4D Write Pro document will be displayed in a 4D Write Pro area. Without writing a single line of code, you can define several view attributes such as the resolution, zoom, page view mode. Advanced properties are also available to define whether you want to show 4D expressions or values for instance. Again no code to write, just a checkbox and it’s done.
With 4D v16, 4D Write Pro is now providing a higher level of protection regarding the evaluation of 4D expressions in documents.
Developers can now fully rely on 4D for checking the evaluation of these expressions. By doing so, end-user machines and databases will be automatically protected from any possible side effects.
A valid 4D expression can be a field, a variable, a 4D command, a statement returning a value, a project method, and so on.
Starting with 4D v16, “unsafe” 4D expressions will no longer be evaluated and an error will be displayed instead.
4D v15 R5 introduces a new, simple and powerful way to exchange information between processes and also between processes and forms. This feature is based upon an asynchronous messaging system that allows processes and forms to be called and asked to execute methods with parameters in their own context.
Displaying a list where the line height would exactly fit the content is a very common need. 4D View Pro is including a new feature so that you can now control the height of each row independently in a listbox to make it fit to its content. To know more about 4D View Pro, check out this blog post.
There are actually now two ways to define the row height in a listbox:
- using new dedicated commands
- using a new control array
With 4D v16, you can improve your database scalability using the new 4D Write Pro commands in preemptive processes.
If you are doing routines for creating or converting documents programmatically – e.g. invoices … you can now do it with preemptive workers as most 4D Write Pro commands are now thread safe!
4D v16 includes a new feature providing your end-user great freedom and flexibility at the interface level when using list boxes. The constraints defined for each column are now fully applied and respected when the list box they belong to is resized.
This feature allows users to save and restore print settings (even those that cannot be set using 4D Get print option and SET PRINT OPTION commands) quickly and efficiently, whether on Windows or Mac OS in both 32 and 64 bits environments.
Office printers supports a large set of features, duplex, staple, punch, watermark, ink saving, color calibration, just a name some. The new commands BLOB to print settings and Print settings to BLOB supports to save and restore the whole set of information available via printer dialogs, allowing fully automatic (and faceless) print jobs.
The event On Column Resize is now triggered “live” during the resizing of the list boxes as long as the user modifies the column widths (previously, it was generated only once, at the end of the resizing).
Thanks to this feature, 4D programmers will have the opportunity to create live and responsive interfaces based on the actual width of columns!
4D Write Pro is moving forward with 4D v16!
You can now insert headers and footers in your 4D Write Pro documents but also retrieve any existing headers and footers when opening an existing .4w7 document from the 4D Write plugin.
You can define document sections and add headers or footers for all or independently per section. You can have different headers/footers for the right and left page, or for the first page of the section. Of course, headers and footers can be styled as the rest of the document (font, color, margin, padding, borders…) and can contain images as well.
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