Specific features of the Express version

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This help page presents some of the differences between WINDEV 27 Express and "WINDEV 27 commercial version".

Reminder: WINDEV 27 Express is a limited version of WINDEV 27. This version allows you to discover the main features of WINDEV 27.

To discover all the features of WINDEV 27, some examples from "WINDEV 27 commercial version" are included in this trial version.

Main limitations of the Express version

Applications developed with the Express version as well as some processes of the editors may have a lower performance.
Some elements used by WINDEV 27 Express are prefixed with "EXPRESS".
WINDEV 27 Express cannot open a project created with "WINDEV 27 commercial version".
"WINDEV 27 commercial version" cannot open a project or an element created with WINDEV 27 Express. To use the project (or the elements) of the Express version without unwanted messages, the project (or the elements) must be saved in "WINDEV 27 commercial version". It may also be necessary to update the project : on the "Project" tab, in the "Project" group, expand "Recompile and synchronize" and select "Repair project". WINDEV 27 Express does not allow you to import projects developed with earlier versions.
The Source Code Manager (SCM), used to share and manage resources (source code, windows, reports, etc., ... ) in a development team is not available.
WINDEV 27 Express cannot be used by several developers on a network. It can only be used on a single computer at a time.

Remark: WINDEV 27 Express can open and handle a project created with an earlier Express version (e.g., WINDEV 20 Express).

Limitations specific to each editor

	Express version	Commercial version

Project editor
Login window	Not available
Windows per project: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Windows per project: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Reports per project: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Classes per project: Maximum number	Limited	8,000
Sets of procedures per project: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Procedures per project: Maximum number	Limited	5,000 for each project element
Global or locale variables per project: Maximum number	Limited	65,500
Processes of a project: Maximum number of lines	Limited	65,500
Number of components imported into a project	Limited	Unlimited (depending on the resources of the current computer)
Elements in a project: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Example-based RAD: Number of files taken into account	Limited	Unlimited (depending on the resources of the current computer)
Languages of a project	Limited	64
Renaming the framework	Not allowed in the Express version	Allowed
Common renamed framework	Not allowed in the Express version	Allowed
Importing a Visual Basic or Access project	Not allowed in the Express version	Available
User groupware	The user groupware cannot be customized in the Express version.	Fully customizable
Component	A component created with the Express version cannot be imported into a project created with WINDEV commercial version. The components used by a project cannot be translated in the Express version.
Internal component: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Miscellaneous	No RAD pattern can be created in the Express version. Standalone messaging is not available in the Express version.
Window editor
Controls per window: Maximum number	Limited	5,000
Procedures per window: Maximum number	Limited	5,000
Process: Maximum number of lines	Limited	65,500
Languages selected for a window: Maximum number	Limited	64
Internal windows: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Window templates: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Control templates: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Miscellaneous	The Feedback component (used to manage user feedback for the applications) is not available in the Express version.
Report editor
Controls per report: Maximum number	Limited	5,000
Procedures per report: Maximum number	Limited	5,000
Process: Maximum number of lines	Limited	65,500
Languages selected for a report: Maximum number	Limited	64
Miscellaneous	PDF files cannot be used as background of reports in the Express version. The report viewer cannot be customized in the Express version. Reports & Queries is not available in the Express version.
Data model editor
Files: Maximum number	Limited	65,535
Items per file: Maximum number	Limited	65,535
Keys per file: Maximum number	Limited	65,535
Items per analysis: Maximum number	Limited	65,535
Miscellaneous	The names of items and files in Reports & Queries cannot be translated.
Query editor
Files per query: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Help editor
	Not available	Available
Modeling editor
Models: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Objects per template: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
UML editor
Objects per diagram	Limited	Unlimited (depending on the resources of the current computer)
HFSQL database engine
Files, aliases, views or queries opened simultaneously: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Files that can be described dynamically by HDescribeFile, HDeclare, HDeclareExternal, HAliasExternal, HDBOpen, HDBCreation: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Files that can be opened during a transaction: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Assisted universal replication (ReplicEdit, ReplicAdmin and ReplicSynchro)	Not available	Available
Log-based replication: Via network: Maximum number of files that can be used: Via replication file: Maximum number of files that can be used:	Limited	Unlimited (depending on the resources of the current computer)
Generated executables
Miscellaneous	Applications created with the Express version automatically close after about 1 hour of use. Applications created with the Express version have a limited lifetime (a few weeks). 64-bit executable generation is not available in the Express version. Java generation is not available in the Express version. The generation of applications in Windows Store App mode is not available in the Express version. The generation of executables with integrated framework is not available in the Express version.
Setup editor
Files that can be installed: Maximum number	Limited	Unlimited (depending on the resources of the current computer)
Miscellaneous	A custom installer cannot be used in the Express version. The Express version cannot be used to perform setups via multiple directories. The Express version cannot be used to create setup programs via MSI. The Express version cannot be used to download the framework. Network and Push setup modes are not available with the Express version
Various limitations
	The ODBC driver on HFSQL is not supplied with the Express version. The main utilities are included in the Express version: they have the same limitations as the executables generated with the Express version (close after 1 hour, etc.). "WDConver" (tool for importing the external databases) is not available in the Express version. "WDModFic" (tool for applying the modifications made to the data files in the data model editor to the end-user computers) is not available with the Express version. The optional Native Connectors (Oracle, SQL Server, AS/400, Informix, etc.) are not available with the Express version. Remark: The Native MySQL and PostgreSQL Connectors are available with the Express version. The RTF editor is not available with the Express version. The link with external languages (C++, C#, Java, Basic, Cobol, Fortran, etc.) is not available with the Express version. It is not possible to deploy SOAP applications.
Free Technical Support
	Not available for the Express version. For more details, see the official forums.	15 free queries (phone and email).