ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

SemaphoreStart (Function)
Locks the current thread until the semaphore is opened (which means until a "free" spot becomes available in the protected section).
<DiskFile variable>.ReadLineRegularExpression (Function)
Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
grDestinationBMP (Function)
Defines a BitMap file as destination of a chart (BMP means BitMap).
InPrelaunchedSessionMode (Function)
Used to find out whether the site is started in "pre-launched session" mode of WEBDEV.
ImageWidth (Property)
The ImageWidth property gets and sets the width of the image section displayed in an Image control or in the background of a Chart control.
Check the "Responsive Web Design" pages
The pages in Responsive Web Design mode can be checked like any other WEBDEV page in the browser of your choice......
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....
<Chart>.PieStartAngle (Function)
Indicates the start angle of first section in a Pie chart, Semi-circular chart or Donut chart.
Select query description window: Actions applied
This help page presents the actions that can be performed from the description window of a query....
EmailStartSession (Function)
Starts an email management session based on the selected management mode (POP3, SMTP, IMAP or MS Exchange).
grPieStartAngle (Function)
Indicates the start angle of first section in a Pie chart, Semi-circular chart or Donut chart.
Sunburst chart
The Sunburst chart is a Pie chart containing several levels of hierarchical data......
grDestinationEMF (Function)
Defines a meta file as chart destination (EMF means Enhanced Meta File).
Native Oracle Connector: Running the same query several times
In some cases, it may be useful to run the same query multiple times while modifying one or more parameters......
Multi-page print
A report can be very wide, with a width exceeding the width of a paper sheet......
EmailCloseSession (Function)
Closes an email management session depending on the selected mode (SMTP/POP3, IMAP, MS Exchange or Lotus Notes)....
Testing a dynamic project (session or AWP mode) from WEBDEV
The test of the entire project allows simulating the startup of the site......
Modbus
Modbus is a "field" (industrial and/or restricted environments) communication protocol created in 1979......
Area (Property)
The Area property is used to define an area.
Creating your own User Macro-Codes
The User Macro-Codes are sections of WLanguage code allowing the end user to customize his application......
WBAdminConnection (Type of variable)
The WBAdminConnection type is used to get all the advanced characteristics of a connection on the server. This connection can correspond to a session, an AWP request, a schedule task, etc.
Describing a report table
To display the table description, select "Table description" in the context menu of one of the table elements...
Customizing keyboard shortcuts
The different editors in WINDEV, WEBDEV and WINDEV Mobile include many options that can be used directly via keyboard shortcuts......
Pinned area in a page: fixed area on the screen
A fixed area in a page is a page section that remains visible even if the Web user moves the browser scrollbar......
13. Security benefit: managing the "Back" button