ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

<Image variable>.DrawText (Function)
Draws a text in an Image variable.
How to create two linked cascading tables?
This help page explains how to create two linked cascading Table controls in a window or page....
HFSQL Control Center: HFSQL Cluster management
The HFSQL Control Center includes all the tools needed to manage HFSQL clusters......
AppointmentDelete (Function)
Deletes: the current appointment from the calendar of a Lotus Notes or Outlook messaging. an appointment from the calendar found on a mobile device (Android/iOS)....
dPixelOpacity (Function)
Identifies the opacity of a pixel in an image that has an Alpha channel. This image can be: an Image control, an Image variable, a WDPic variable (on the background layer), a picLayer variable....
AppointmentReset (Function)
Reinitializes: the Appointment structure. the Appointment variable....
BTLECharacteristicChangeOfValue (Function)
Enables or disables the detection regarding the change of value for a Bluetooth Low Energy characteristic.
BTLEDescriptorReadValue (Function)
Reads the value of a descriptor on a Bluetooth Low Energy device.
BTLEDescriptorWriteValue (Function)
Writes the value of a descriptor to a Bluetooth Low Energy device.
Manipulating TimeLine controls programmatically (prefix syntax)
A TimeLine control can be......
<EmailNotesSession variable>.StartSession (Function)
Starts a Notes session.
<Image variable>.DrawTextRTF (Function)
Draws an RTF text in an Image variable.
Reloading a document
To reload a document, ......
<Image>.DrawSlice (Function)
Draws a circle or an ellipse section in an Image control.
<Image variable>.DrawCircle (Function)
Draws a circle or an ellipse in an Image variable.
<Image variable>.DrawChord (Function)
Draws the chord of a circle (intersection between an ellipse and a straight line) in an Image variable.
Management of MQTT (prefix syntax)
MQTT is a "publish-subscribe" messaging protocol based on the TCP/IP protocol......
HTMLEditorFromEmail (Function)
Imports the HTML content of an email and its images into an HTML Editor control. The images contained in the email are also displayed in the control.
<Kanban>.MoveCard (Function)
Moves a card in a Kanban control.
<Kanban>.AddCard (Function)
Adds a card to a list in a Kanban control.
<picLayer variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
<WDPic variable>.InvertColor (Function)
Inverts the colors of a WDPic variable.
Extracting the text of the project
The following text can be extracted......
<Image variable>.DrawPolygon (Function)
Draws a polygon in an Image variable.
J2EEGetResult (Function)
Returns the result of the last J2EE procedure that was successfully run.