ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Automatic error handling
Error handling can be customized for each process...
Use case diagram
A use case diagram is used to view the behavior of a system in such way that......
fSizeUncompressed (Function)
Returns the size of a file before compression. When a file is decompressed by fUncompress, we recommend that you to compare the non-compressed size of file with the available disk space.
Error 1015: The method of the class is protected
WDContinueError: Resume on error
This function forces the execution to resume after an error......
Error 1045: A class cannot be declared outside the declaration code of a class
Source (Property)
The Source property can be used on: a Chart control: in this case, the Source property is used to get the source of the series: Table column, list of values, ... a connection: in this case, the Source property is used to get or set the source of a connection (HFSQL Client/Server, OLE DB, etc.)....
fDelete (Function)
Deletes a file accessible from the current computer.
SpreadsheetInsertWorksheet (Function)
Inserts a worksheet into a Spreadsheet control found in a window.
Undocking the editors
Who has never wanted to view the code and the UI at the same time, without being constrained by the environment? WINDEV, WEBDEV and WINDEV Mobile allow you to "detach" the editors from the environment of the main window......
InApp constants
fDirSize (Function)
Returns the size of a directory in bytes.
EmailMsgError (Function)
Returns the message corresponding to the error identifier.
Error 1013: The access to the member of the class is restricted by a protected inheritance
Client application: Running procedures on a SOAP server
WINDEV include several SOAP functions......
WINDEV and OPC
OPC stands for "OLE for Process Control"......
How to develop a site for Linux?
The method for developing a site for Linux is identical to the method for developing a site for Windows....
SpreadsheetAddWorksheet (Function)
Adds a worksheet into a Spreadsheet control found in a window.
HCloseAnalysis (Function)
Closes the current database schema (or all current database schemas in the case of a project with multiple database schemas).