ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Guided Tour
A Guided Tour presents a series of features, displayed in a tooltip in the current window or page......
<Map>.DeleteMarker (Function)
Deletes a marker from a map displayed by a Map control.
<Map>.AddMarker (Function)
Adds a new marker onto a map displayed in a Map control.
Functions for managing Image Editor controls and WDPic variables
The following functions are used to manage Image Editor controls and WDPic variables:...
<Image variable>.Resize (Function)
Resizes an image in an Image variable.
<Image variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
<Image variable>.InvertColor (Function)
Inverts the colors in an Image variable.
<sshSession variable>.Write (Function)
Writes data into the specified SSH session.
<Source>.RecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
Empty (Property)
The Empty property is used to determine if: a Looper, Table, List Box or Combo Box control is empty. The control can be a browsing control or a memory control. a Chart control contains no series. a report control is empty (control linked to an item). an array (or an associative array) contains no element. an element of an associative array exists or not. a queue, a list or a stack contains no element....
<redisConnection>.PipelineAdd (Function)
Adds a Redis command in a pipeline.
<redisConnection>.ExecuteCommand (Function)
Executes a command on a Redis server and retrieves the result.
<Map>.ModifyMarker (Function)
Modifies a marker displayed in a Map control.
<Thread>.RequestStop (Function)
Sends a stop request to a thread.
HTransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
HTransactionEnd (Function)
Validates the current transaction: the modifications performed on the data file since the start of transaction (HTransactionStart) are validated. the transaction file is deleted (if the transaction is the last transaction in progress for a network application) the records locked in read-only by the transaction are unlocked....
Image Editor control: Options in the ribbon and the panes
The Image Editor control offers a host of options accessible via......
The "Radar" charts
The Radar chart is used to highlight a series according to another one......
The "Area" charts
The Area chart is used to highlight the amplitude of a change......
Heatmap chart
The Heatmap chart is used to represent in 2 dimensions data with 3 axes of values......
<Source>.InitSubscriber (Function)
Initializes the range of automatic identifiers for the description file of subscriber replica (".RPL" extension).
The "Line" charts
In the line charts, the data is interpreted as successive y coordinates of points......
The "Scatter" charts
A scatter chart (XY) represents the relationship between two numeric values in two series of data......
GPSLastPosition (Function)
Retrieves the information about the last known device position.
BCToImage (Function)
Generates the image of a bar code.