ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

<mongoGridFS variable>.DeleteFileByID (Function)
Deletes a file identified by its identifier from a MongoDB file system.
<picLayer variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
<WDPic variable>.PixelOpacity (Function)
Identifies the opacity of a pixel in a WDPic image with an Alpha channel.
<picLayer variable>.PixelOpacity (Function)
Identifies the opacity of a pixel in a WDPicLayer image with an Alpha channel.
<WDPic variable>.DrawPolyline (Function)
Draws a line composed of multiple segments.
<picLayer variable>.DrawPolyline (Function)
Draws a line composed of multiple segments.
<mongoDatabase variable>.Info (Function)
Returns information about a MongoDB database.
<mongoCollection variable>.DeleteOne (Function)
Deletes a document from a collection in a MongoDB database.
<mongoCollection variable>.DeleteCollection (Function)
Deletes a collection from a MongoDB database.
<mongoDatabase variable>.DeteleDatabase (Function)
Deletes a MongoDB database as well as its collections.
<mongoCollection variable>.Find (Function)
Finds documents in a MongoDB collection.
<mongoCollection variable>.ModifyAll (Function)
Modifies documents in a collection of a MongoDB database.
<WDPic variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
<DiskFile variable>.FileName (Function)
Returns the name of an external file currently open.
<DiskFile variable>.Close (Function)
Closes an external file.
<DiskFile variable>.WriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
<DiskFile variable>.Write (Function)
Writes: a character string into an external file. a memory section....
<DiskFile variable>.Seek (Function)
Gets and sets current position in an external file.
<Image variable>.Straighten (Function)
Transforms an image by applying perspective correction.
<picLayer variable>.Straighten (Function)
Transforms an image by applying perspective correction.
<emailSMTPSession variable>.CloseSession (Function)
Closes an SMTP session.
<emailIMAPSession variable>.CloseSession (Function)
Closes an IMAP session.
<emailNotesSession variable>.CloseSession (Function)
Closes a Notes session.
<emailOutlookSession variable>.CloseSession (Function)
Closes an Outlook session.
<DiskFile variable>.ChangeSize (Function)
Resizes an external file.