ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
3-tier architecture
The development in "3-tier" architecture is now simplified...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
Principle of remote check
WEBDEV proposes several methods for deploying a dynamic site...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Multitask (Function)
MultiTask is used to: define a timeout, give control back to Windows, give control back...
TimerSys (Function)
Periodically and automatically calls a WLanguage procedure.
ThreadExecute (Function)
Starts the execution of a secondary thread.
HDeleteView (Function)
Deletes a previously created view. This function uses the former view mechanism.
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used...
HMergeView (Function)
Creates an HFSQL view from two previously created views (HCreateView). This function uses...
HInfoMemo (Function)
Returns the characteristics of binary and text memos.
HFree (Function)
Transforms the crossed records (HCross) into deleted records.
HRetrieveRecord (Function)
Returns the content of the current record (in a file, a view or a query, ...).
grMask (Function)
Formats the data displayed by grLabel or by grTooltip.
HCheckIndex (Function)
Checks whether the data found in the index file (.NDX file) properly refers the data found...
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search...
HCancelSeek (Function)
Cancels the current search criterion.
HChangeName (Function)
Modifies the physical name of a data file.
HCreateMasterReplica (Function)
Creates the description file of a Master Replica (logged replication or universal replication).
HCreateMovableReplica (Function)
Creates a movable replication.
HDeclare (Function)
Declares a description of data file (found in an analysis) in the current project.
HDeclareExternal (Function)
Temporarily imports into the current analysis the description of a data file from an existing HFSQL...
zipFindFile (Function)
Finds a file in an archive (in CAB, ZIP, RAR, WDZ or 7z format).
zipCreateExe (Function)
Creates a self-extracting archive as a 32-bit executable (.EXE).
zipListFile (Function)
Returns the list of files found in an archive.
zipDeleteFileList (Function)
Deletes a list of files from an archive.
HListQueryParameter (Function)
Returns the list of parameters for a query created in the query editor.
HModify (Function)
Modifies the specified record or the record found in memory in the data file (query or view).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.