ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

JSONExecute (Function)
Calls a server URL that returns data in JSON format (JavaScript Object Notation).
Assisted HFSQL error handling
WINDEV, WEBDEV and WINDEV Mobile include a module for assisted management of HFSQL errors......
Troubleshooting
This chapter presents the main problems (and their solutions) that can occur when using the WEBDEV Application Server...
NumToString (Function)
Converts a numeric value (integer, real or currency) to a string according to a specified format.
Automatic Drag and Drop
For some types of controls, WINDEV and WEBDEV propose an automatic management of Drag and Drop....
Printing in PDF format: Special cases
Specific features of print in PDF format...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler......
Error 101: Declaration of global variable not allowed
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing......
HChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
ERR_ALREADYCONNECTED
Crosshair in a chart
In a Line chart, it may be difficult to read the value of axes for a point that is far from these axes......
How to clone and use columns in a Table control?
In some cases, a Table control must be filled with an unknown number of columns (when creating the control)....
fReportsAndQueriesDir (Function)
Returns: the full path of the directory for the custom reports and queries. This directory corresponds to the directory of the reports and queries visible by the user who created them. the full path of the directory for the shared reports and queries. This directory corresponds to the directory of the reports and queries visible by all the application users....
Report viewer: "Preview" tab
The report viewer allows end users to view reports before printing them......
TestAddIteration (Function)
Adds an iteration into the current test and gives the values of test parameters for this iteration.
grPointInfo (Function)
Returns the screen coordinates of a point or the screen coordinates of a value found in a chart.
SNMPSet (Function)
Writes one or more values onto an SNMP agent for which an SNMP session was started.
EmulateConfirm (Function)
Emulates the next call to Confirm and automatically clicks the button passed in parameter.
EmulateOKCancel (Function)
Emulates the next call to OKCancel and automatically clicks the button passed in parameter.
EmulateYesNo (Function)
Emulates the next call to YesNo and automatically clicks the button specified in parameter.
Option,Test (External language)
In an information window, displays each call to the function and each status report returned by the function.
Error 701: The property is read-only
AssistedInputAdd (Function)
Adds a row to the list of values available in the autocomplete suggestions of an Edit control.
dHalo (Function)
Adds a halo effect on an image found in an Image variable].