ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

TriState (Property)
The TriState property is used to: Determine if a check box option supports 3 or 2 states. Determine if a TreeView control uses 3-state or 2-state check boxes. Change the type of an option in a check box: option with 3 states or with 2 states....
HCancelDeclaration (Function)
Used to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
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....
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
GuidedTourStepChange (Function)
Modifies the current step of the guided tour.
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period......
<GuidedTour>ChangeStep (Function)
Modifies the current step of the guided tour.
InGuidedTourMode( Function)
Indicates whether a guided tour is running.
Calling a DLL written in Visual Basic
Visual Basic (like many other languages) allows you to create custom DLLs......
<zipArchive variable>.FileSize (Function)
Returns the size of one of the files found in the archive (in CAB, RAR, WDZ, ZIP, 7z, TAR or TGZ (TAR.GZ) format): the compressed size of the file. the size of file before compression....
Importing/Exporting a dictionary
WDTRAD allows you to import and export a dictionary......
Creating an application that manages the Euro
The method for creating an application supporting the switch to the Euro is as simple as the method for creating a WINDEV application....
zipFileSize (Function)
Returns the size of one of the files found in the archive (in CAB, RAR, WDZ, ZIP, 7z, TAR or TGZ (TAR.GZ) format): the compressed size of the file. the size of file before compression....
BitcoinCoreBlockCount( Function)
Returns the size of the blockchain known by the Bitcoin node (i.e. the number of blocks created since January 3, 2009). This makes it possible, for example, to calculate the approximate date of the next halving.
Warning 36: No BREAK, RETURN or RESULT was detected in the code of the loop
<Upload>.FileName (Function)
Returns the name of a file "uploaded" by the Web user. This upload may have been performed: via an "Upload" edit control. via a single-file or multi-file Upload control....
UploadFileName (Function)
Returns the name of a file "uploaded" by the Web user. This upload may have been performed: via an "Upload" edit control. via a single-file or multi-file Upload control....
TourGuideStart (Function)
Starts the guided tour and displays the first stage.
Filtering a data file, a view or a query
A filter is used to define by programming a selection of records corresponding to one or more criteria......
<GuidedTour>Start (Function)
Starts the guided tour and displays the first stage.
CurrentColumn (Function)
Returns: the index of the current indexed column in a Table control (based on a data file or populated programmatically). the number of the column currently in edit mode in the specified Table control (based on a data file or populated programmatically)....
ListDLL (Function)
Returns: at runtime: the list of libraries (".DLL" files) used by the current WINDEV or WINDEV Mobile application or by the current WEBDEV site. Only the libraries loaded in memory are listed. in test mode: all the libraries installed on the current computer....
"END:" label
The END: label is used to define a code that will be systematically run at the end of process execution.
<Word Processing>.InfoXY (Function)
For a given position (coordinates of a point) in a Word Processing control, returns one of the following: the number of the corresponding page, the corresponding X-position (in mm), the corresponding Y-position (in mm)....
IWListPosition (Function)
Displays the internal window corresponding to the specified position (in the list of internal windows browsed by an Internal Window control) or returns the position of the internal window currently displayed (in the list of internal windows browsed by an Internal Window control).