ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<pdfDocument variable>.AddWatermark (Function)
Adds a watermark to all the pages of an existing PDF file.
<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.
<Image variable>.DrawPoint (Function)
Draws a point in an Image variable.
BTLEConnectionStatus (Function)
Returns the current connection status to a Bluetooth Low Energy device or asks to be notified when the connection status changes.
Management of MQTT (prefix syntax)
MQTT is a "publish-subscribe" messaging protocol based on the TCP/IP protocol......
BTLEDescriptorReadValue (Function)
Reads the value of a descriptor on a Bluetooth Low Energy device.
<Image variable>.DrawText (Function)
Draws a text in an Image variable.
ScanProperty (Function)
Used to get and change the properties of a scanner.
dRotation (Function)
Performs a rotation: of an Image control. of an Image variable. of a picLayer variable....
<Image>.SaveGIF (Function)
Saves an image: in a file in GIF format. in memory....
NumberPage (Property)
The NumberPage property is used to get: the number of pages in a "multi-page" image file. This image is displayed in an Image control or in the background of a Chart control. the number of pages in a PDF file displayed in an Image control. the number of pages found in a PDF file displayed in a PDF Reader control. the number of pages found in a DOCX file displayed in a Word Processing control....
<Image>.DrawPolygon (Function)
Draws a polygon in an Image control,
Manipulating TimeLine controls programmatically
A TimeLine control can be......
<emailIMAPSession variable>.CurrentFolder (Function)
Returns the name of the current folder in the messaging software using IMAP (Internet Message Access Protocol).
InfoImage (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file: format. width and height. number of bits per pixel. transparent area....
<Image>.DrawSlice (Function)
Draws a circle or an ellipse section in an Image control.
<Image>.SavePNG (Function)
Saves an image: in a PNG file. in memory....
PDFNbSignatures (Function)
Gets the number of signatures in a PDF document.
<Image>.SaveBMP (Function)
Saves an image: in a file in BMP format. in memory....
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.