BlackBox Component Builder 1.7

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Migration from 1.6

The several typical changes you should do for adopting your subsystems for 1.7 are listed bellow:

IN to VAR

Now it is forbidden to use a variable declared as IN parameter as the receiver of a method call that expects a VAR parameter. You should change the IN parameter to VAR or the VAR receiver to IN in such a case.

Read-only variables

With 1.7 you can not call the methods of a read-only variable object if there is VAR option in argument of method. So you should export such a variable by *.

WinNet

WinNet.hostnet definition was changed, so you need to replace:

inaddr := hostentry.h_addr_list^[0]^[0]

to

inaddr := SYSTEM.VAL(WinNet.in_addr, hostentry.h_addr_list^[0]^)

Underlined white space

Underlined spaces and tabs are now shown according to the defined format, i.e. they are underlined. So we recommend you to check your documentation files and/or program generated text files to prevent unexpected underlines.

UTF8

UTF-8 conversion supported "out of the box" from module Strings. So if you are using UTF-8 conversions embedded in your own code or from some third-party modules, you can switch to the new Strings procedures.

External calls

1.7 supports calling URLs (e.g. web pages, E-mails), so now you can be sure that the user can call your link from documentation even if external CPC subsystems such as Info or i21Sys are not installed.

Use the Dialog.OpenExternal procedure to call a URL.

Config & Converters

The new Converter.next* export allows uninstalling and ordering converters "on the fly" from any module not just from the Config module used at BlackBox startup.

Useful tools for migration

There is the tool for batch compilation of subsystems: ypkDevTool.

There is bug report about an TRAP during creation of folders.