ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

XMLValidDocument (Function)
Validates an XML document from an XSD schema.
Spreadsheet constants
The following constants are used by the functions for managing Spreadsheet controls:...
2. Creating files in the analysis
WINDEV Tutorial: Creating a WINDEV project and its analysis Lesson 2 - Creating files in the analysis - 40 min
The Gantt Chart control
A Gantt chart allows you to graphically view the progress status of a project......
NetMACAddress (Function)
Returns the MAC address (physical address) of one of the network cards found on the computer.
Check Box control functions
The following functions are used to manage the Check Box controls......
BrowserHistoryModify (Function)
Modifies the data of current entry in the navigation history. This data will be transmitted when going back to the current entry.
InvalidInputPreventExit (Property)
The InvalidInputPreventExit property is used to determine if it is possible to leave the control in case of invalid input.
HExportJSONString (Function)
Exports the records from a table (HFSQL or OLE DB), view, or query to a JSON string.
HReadLast (Function)
Sets the position on the last record of a table according to a browse item.
HTTP constants
List of constants used by the HTTP functions....
Native Oracle Connector for WINDEV and WEBDEV
WINDEV and WEBDEV offer an optional Native Oracle Connector (also called Native Oracle Access......
HRestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
OrganizerChangeZoom (Function)
Modifies the time range displayed by an Organizer control (Day/Week/Month). This function is kept for backward compatibility....
Cos (Function)
Calculates the cosine of an angle.
EmailReset (Function)
Resets all the variables of the email structure or all the variables of an Email variable.
Germany.CheckTaxNumber (Function)
Checks the validity of a German tax number.
Tangent (Function)
Calculates the tangent of an angle.
ContactListSource (Function)
Lists the sources (or accounts) of the contacts saved on the device.
CoTan (Function)
Calculates the cotangent of an angle.
PDFGetSignature (Function)
Gets the signature of a PDF document as a buffer.
Sin (Function)
Returns the sine of an angle.
EmailExpunge (Function)
Destroys all the deleted emails marked as deleted ("Deleted" status) from the current folder of IMAP session.
Spain.CheckTaxNumber (Function)
Checks the validity of a Spanish tax number.