ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming....
HTrack (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
HTrackStop (Function)
Stops tracking a data file on an HFSQL server.
Generating and deploying 64-bit applications
WINDEV allows you to automatically generate and install a 64-bit application.
HInfoLock (Function)
Returns information about the lock set on a data file, on one or all the records in a data file.
WDTrans: Overview
WDTrans is a tool for canceling transactions......
SCM: Migrating projects
When changing the version of the development tool, the projects found in the SCM must be migrated to this new version......
HFreeQuery (Function)
Free the resources of a query (after the call to HExecuteQuery or HExecuteSQLQuery).
Time (Property)
The Time property enables you to: Retrieve the time from a DateTime variable. Modify the time in a DateTime variable. Retrieve the time from in a Date item (in "Date and Time" format) Modify the time in a Date item ("Date and Time" format)....
HCheckMemo (Function)
Checks the structural integrity of memos in an HFSQL data file.
HExecuteQueryAsynchronous (Function)
Executes a SELECT query asynchronously.
HJSONToRecord (Function)
Imports JSON data into the current record.
HRecordToXML (Function)
Retrieves the structure and the value of the current record and exports them into a character string in XML format.
HInitSubscriber (Function)
Initializes the range of automatic identifiers for the description file of subscriber replica (".RPL" extension).
HSeek (Function)
Positions on the first record of the data file whose value for a specific item is greater than or equal to a sought value (generic search by default).
HMode (Function)
Changes the mode and the method for locking data files.
HDeactivateAutoFilter (Function)
Disables an automatic filter on the linked files when browsing an XML file.
HState (Function)
Used to find out the state of a record.
PageFromSource (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
HCheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example).
HChangePassword (Function)
Changes the password of an HFSQL Classic or HFSQL Client/Server data file....
SCM file format evolutions
Four versions are available for the SCM repository......
HDeleteAll (Function)
Deletes all records from a data file, an HFSQL view or a query.
Changing an application to 64-bit
WINDEV allows you to develop 64-bit applications......
HViewToFile (Function)
Saves the modifications performed in an HFSQL view (by HModify, HDelete or HCross) in the corresponding data file. This function uses the former view mechanism.