ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

ActionDeclareUndo (Function)
Declares how to cancel an action that was added by ActionDo. This function MUST be called when running the procedure supplied to ActionDo.
HRead (Function)
Reads a record in a file according to a given record number.
HTransactionCancel (Function)
If a transaction is in progress, rolls back all operations performed on tables in transactions since the start of the transaction.
Creating and using a REST Webservice
A REST WebService is a program hosted on a server containing functions accessible via HTTP requests......
Abs (Function)
Returns the absolute value: of a numeric value, of a numeric expression (integer or real). of a duration....
Search and full-text index
HFSQL proposes a quick search for character strings in the data......
DnDAccept (Example)
Usage example of the DnDAccept function
ArrowStart (Function)
Sets the position of the source end of an arrow in a "Shape" control.
ArrowEnd (Function)
Sets the position of the target end of an arrow in a "Shape" control.
Execute (External language)
Runs the code of a control or the code of a procedure in WLanguage.
Right (Function)
Extracts the last characters from a string or string buffer.
dbgCheckEqual (Function)
Checks whether the expressions are equal in assertive programming and in automated test mode.
HDeclareExternal (Function)
Temporarily imports into the current analysis the description of a data file from an existing HFSQL data file.
LockAppTimeout (Function)
Returns or modifies the idle time before a WINDEV application is locked.
CommandLine
The CommandLine keyword can correspond to...
pdfParameter (Variable type)
The pdfParameter type defines all the characteristics of the PDF file to be generated.
Testing and debugging a project on the development computer
The test of the entire project allows you to simulate the start of the application with the executable......
Popup window
WINDEV allows you to open windows in popup format......
DnDCursor (Example)
Usage example of the DnDCursor function