ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

TraceDeleteAll (Function)
Clears the content of trace window opened in parallel with the current window.
TraceBuild (Function)
Displays a customizable message in the trace window opened in parallel with the current window.
TraceEnd (Function)
Closes the trace window if this window was opened or stops saving the trace information in a text file.
"Debugger trace" pane
The "Debugger trace" shows the messages displayed in the trace window during the last application test...
TraceStart (Function)
Opens the trace window or saves the trace information in a text file.
btleDescriptor (Type of variable)
The btleDescriptor type is used to handle the descriptor of a Bluetooth Low Energy characteristic
The Contact structure
The Contact structure is a preset structure of WLanguage (no declaration is required)......
Constants for the archiving functions
List of constants used by the archiving functions....
Variables for managing the Drag and Drop
SysYRes (Function)
Returns the vertical screen resolution.
ServiceUninstall (Function)
Uninstalls a service.
ZOrder (Property)
The ZOrder property gets and sets the Z-order of an element.
sfDisconnectResult (Type of variable)
The sfDisconnectResult type is used to get the status report of SFDisconnect when disconnecting from a session...
ErrorOccurred (Variable)
ErrorOccurred is a preset variable of WLanguage indicating the result of the last WLanguage function used.
HListItem (Function)
Returns the list of items: found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account. found in a Record variable....
HRestorePosition (Function)
Restores the context of a previously saved file (HSavePosition): current record, filter, pointers.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
Mathematical SQL functions
The mathematical SQL functions that can be used on the queries written in SQL code are as follows......
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
ExtractString (Function)
Allows you to: extract a substring from a string based on a specified string separator. search for substrings in a string based on a specified string separator....
fRemoveDir (Example)
Usage example of the fRemoveDir function
Responsive Web Design: Management of anchors
In "Responsive Web Design" mode, the width of controls is automatically reduced when the browser width is reduced......
sWrite (Function)
Writes a character string to the output buffer of the specified serial port, parallel port or infrared port.
sRead (Function)
Reads a character string in the entry buffer of the specified serial port.
Other operators
The following are additional operators......
inAppRestorePurchases (Function)
Restores the purchases of non-consumable products previously performed by the user in an iOS application.
HSimulateNetwork (Function)
Simulates the operating mode of HFSQL Client/Server on an ADSL or 3G network....
SourceToPage (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....
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)....
iInitReportQuery (Function)
Initializes the query linked to the report (for a query with parameters).