ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Installing and using a Bitcoin Core server
WLanguage offers various functions for handle a Bitcoin Core server......
Properties associated with the breaks of a Looper control
Several properties can be used with the breaks found in a Looper control......
PDFReaderInfoXY (Function)
For a given position (coordinates of a point) in a PDF Reader control, returns one of the following: the page number for the specified position, the X-position (in mm) for the specified position, the Y-position (in mm) for the specified position....
HBackup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
FolderWeb (Function)
Returns the path of the directory containing: the images, the JavaScript files, the Java applet files, the other files accessible from the browser....
Query
A query is used to interrogate a database in order to view, insert, modify or delete data......
The email structure
The email structure is a preset structure of WLanguage (no declaration is required)......
iCloudKeyValueExist (Function)
Checks if there is a key in an Apple iCloud-based container of "key-value" pairs.
iCloudKeyValueRemove (Function)
Removes a key from an Apple iCloud-based container of "key-value" pairs.
<Connection variable>.Backup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
Multi-product external components
Components are a remarkably useful tool for development teams......
Translating the interface into multiple languages
When the different languages supported by the application have been selected, the information displayed by the application must be translated into these different languages......
CriticalSection
The CriticalSection keyword can correspond to: the CriticalSection function, which makes it possible to enable a named or on-variable critical section in the statement USING ... IN. the CriticalSection variable, which makes it possible to define critical sections to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given moment in an application....
UI compilation errors
UI compilation errors indicate the possible problems detected in your interfaces whenever a window, a page or a report is saved or whenever the project is recompiled......
ERR_BAD_CONTEXT_FOUND
Properties associated with the breaks of a Table control
Several properties can be used with the breaks found in a Table control......
Multilingual feature in the controls (window, page, report)
In a multilingual application or site, the multilingual feature is proposed for the following elements......
Multi-project search
Performing a search in the current project is a common operation......
Multi-touch in an Image control
One of the most common applications of the multi-touch feature is used to handle images......
GglPrintDocument (Function)
Prints a document (text or PDF file, images, Word or Excel document, ...) by using the Cloud Print service of Google.
Automatic data file modification: new date format
From WINDEV 7 and WEBDEV 7 version 149, new date and time formats are available for the Hyper File files......
iCloudKeyValueWrite (Function)
Stores the value of a key in an Apple iCloud-based container of "key-value" pairs.
iCloudKeyValueRead (Function)
Reads the value of a key in an Apple iCloud-based container of "key-value" pairs.
iCloudKeyValueListKey (Function)
Lists the keys contained in an Apple iCloud-based container of "key-value" pairs.
Setup of a WEBDEV site: Creating library
A library (file with a WDL extension) is used to group the resources of the project (pages, queries, ......