ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<picLayer variable>.Difference (Function)
Compares two images and returns a grayscale image and a percentage determining the differences between the images. This new function is available from WINDEV Suite SaaS 2025 - Update 3....
Handling an HTML control through programming
WINDEV and WEBDEV allow you to handle an HTML control through programming......
iParameterPreview (Function)
Configures the print preview: display a message regarding the resources of current computer. display or not the ribbon panes (as well as the buttons found). the export options available in the mini preview window....
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the table is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
<Camera>.Capture (Function)
Captures the images received from the camera: as an image: take a photo. as a video: record a video. Function kept for "Version-26-compatible" Camera controls....
HCancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the table is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
dDifferenceImage (Function)
Compares two images and returns a grayscale image and a percentage determining the differences between the images. This new function is available from WINDEV Suite SaaS 2025 - Update 3....
ChangeSourceWindow (Function)
Dynamically changes the window displayed in an Internal Window control. Case of internal window dequeues Modifies the currently displayed window. This modification is saved in the list of internal windows to scroll....
InitialHeight (Property)
The InitialHeight property is used to: Find out the creation height of a control or window. Modify the base height used to anchor the controls "in height". Find out the creation height of a block or control in a report....
<Image variable>.Difference (Function)
Compares two images and returns a grayscale image and a percentage determining the differences between the images. This new function is available from WINDEV Suite SaaS 2025 - Update 3....
<Image>Difference (Function)
Compares two images and returns a grayscale image and a percentage determining the differences between the images. This new function is available from WINDEV Suite SaaS 2025 - Update 3....
VideoCapture (Function)
Captures the images received from the camera: as an image: takes a photo. as a video: records a video. Function kept for "Version-26-compatible" Camera controls....
<WDPic variable>.Difference (Function)
Compares two images and returns a grayscale image and a percentage determining the differences between the images. This new function is available from WINDEV Suite SaaS 2025 - Update 3....
<Internal window>.ChangeSourceWindow (Function)
Dynamically changes the window displayed in an Internal Window control. Case of internal window dequeues Modifies the currently displayed window. This modification is saved in the list of internal windows to scroll....
CameraCapture (Function)
Captures the images received from the camera: as an image: take a photo. as a video: record a video. Function kept for "Version-26-compatible" Camera controls....
ChangeTarget (Function)
Changes the target of a button action.
Synchronizing the database schema with external databases
The database schema must be synchronized with an external database if it uses......
WDMSG
You can create multilingual projects in WINDEV, WEBDEV or WINDEV Mobile......
Device panel
In WINDEV Mobile, you can create applications that adapt to all devices, by setting anchors on the controls......
Num1stDayOfTheWeek (Property)
The Num1stDayOfTheWeek property gets and sets the 1st day of the week displayed in: a Calendar control. an Organizer control. a Scheduler control. an edit control in Date format with Calendar....
Error 1005: To explicitly access a global element of '%1' class, use the syntax
Handling a WinForm .Net control through programming