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  • Events managed by default
  • Events managed by WEBDEV
  • Optional events
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Stored procedures
Events associated with Image controls
Events managed by default
WEBDEV - Server codeWEBDEV - Browser codePHP

Events managed by WEBDEV

WEBDEV manages the following events by default (order of appearance in the code editor):
EventRuntime condition
Initialization (Server code)Run when opening the page.
Versions 16 and later
Load (onload) (Browser code)
New in version 16
Load (onload) (Browser code)
Load (onload) (Browser code)
Run whenever the image is loaded and displayed by the browser.
Click on the image (Browser code)Run when the image is clicked by the Web user.
Versions 19 and later
Horizontal and vertical swipe (Browser code)
New in version 19
Horizontal and vertical swipe (Browser code)
Horizontal and vertical swipe (Browser code)
Optional event during multi-touch.
Executed when quickly moving one or more fingers on the screen. For more details on this event, see Multi-touch in an Image control.
Versions 19 and later
Finger scroll (Browser code)
New in version 19
Finger scroll (Browser code)
Finger scroll (Browser code)
Optional event during multi-touch.
Executed when moving one or more fingers horizontally or vertically while keeping them in contact with the screen. For more details on this event, see Multi-touch in an Image control.
Versions 19 and later
Zoom with fingers (Browser code)
New in version 19
Zoom with fingers (Browser code)
Zoom with fingers (Browser code)
Optional event during multi-touch.
Executed when spreading or pinching two fingers on the screen. For more details on this event, see Multi-touch in an Image control.
Optional events
Several optional events can be managed.
To add an optional event:
  1. Select the desired control.
  2. Display the code window of this control (F2 key).
  3. Click the link "Add other events to xxx" at the bottom of the window code, after the last event.
  4. All the optional events available for the control are displayed.
  5. Check the optional event to add and validate.
    Remark: You can select several optional events.
  6. The selected optional event is automatically added to the events managed by the control.
To disable an optional event, simply perform the same operations to display the list of optional events. Then simply uncheck the optional events to delete.
Remark: If the disabled code contains WLanguage code, this code is automatically deleted.
You can manage, for example:
  • the mouse hover over the control,
  • left mouse button down, up, with a double click,
  • the right mouse button down, up, with double click,
  • the mouse wheel, etc.
For more details, see Optional events.
Minimum version required
  • Version 9
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