ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Principle of remote check
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
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...
HExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
HExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
<Chart>.SeriesLabel (Function)
Initializes the label of a data series in a chart.
<EmailNotesSession variable>.StartSession (Function)
Starts a Notes session.
<Chart>.Label (Function)
Indicates various parameters of additional legend in a chart.
<Chart>.LabelFont (Function)
Modifies the font used for the category labels of a chart.
<Chart>.LegendFont (Function)
Modifies the font used for the chart legend.
<Chart>.SurfaceDeleteMarkCaption (Function)
Deletes the captions of marks found in a Surface chart.
<Array>.DeleteAll (Function)
Deletes all elements: from a one-dimensional or two-dimensional WLanguage array....
<Array>.Delete (Function)
Deletes an element at a given position: from a one-dimensional WLanguage array....
<Page>.OpenChild (Function)
Opens a non-modal child window.
<htmlNode variable>.FindElementByClass (Function)
Searches for elements whose "class" attribute matches a specific value in an HTML node.
<Source>.Last (Function)
Sets the position on the last record of a data file according to a browse item.
<Source>.StatCalculate (Function)
Performs various statistical calculations on the file keys.
<Source>.ExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
<Source>.ExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
<Source>.Read (Function)
Reads a record in a file according to a given record number.
<Source>.ExecuteView (Function)
Runs a view that was created beforehand (can be used to refresh the view data for example)....
HTransactionInProgress (Function)
Used to find out whether a transaction is in progress.
ExecuteRefreshUI
Immediately executes the "Request for refreshing the display" event of the window, page, internal...
RequestRefreshUIParent
Asks to run the "Request for refreshing the display" process of parent.
<Connection variable>.InfoBackup (Function)
Returns information about one or more backups performed on an HFSQL Client/Server server....
Open (Function)
Opens a modal WINDEV window.
gCircle (Function)
Builds a sequence of characters containing a circle or an ellipse.
gImage (Function)
Builds a sequence of characters containing an image.