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Help / Developing an application or website / Controls, windows and pages / Controls: Available types / Button control
  • Default events
  • Events supported by WINDEV and WINDEV Mobile
  • Events supported in WEBDEV
  • Event "Click on the button" (WEBDEV)
  • Optional events
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Events associated with Button controls
Default events
WINDEVUniversal Windows 10 AppAndroidAndroid Widget iPhone/iPadJava

Events supported by WINDEV and WINDEV Mobile

WINDEV and WINDEV Mobile handle the following events by default (order of appearance in the code editor):
EventRuntime condition
InitializingExecuted when the window is opened. (*)
ClickRun when the user clicks the button.
WINDEV Click on the arrow
Run when the user clicks the arrow of a split button. This code is run before the action associated with the arrow. For more details, see Drop-down button.

(*) By default, the "Initialization" event of each control is executed according to the order in which the controls were created in the window. To change this order of execution:
  1. On the "Window" tab, in the "Order" group, click "Initialization".
  2. In the window that appears, use the arrows on the right to change the order in which the controls are initialized.
WEBDEV - Server codeWEBDEV - Browser codePHP

Events supported in WEBDEV

WEBDEV supports the following events by default (order of appearance in the code editor):
EventRuntime condition
Initializing (Server code)Executed when the page is opened.
Click on button (Browser code)Run when the Web user clicks the button. This code is always run, regardless of the type of the button.
Click on button (Server code)Run when the Web user clicks the button

Remark: Only the browser codes are available in a static page.
Event "Click on the button" (WEBDEV)
WEBDEV - Server codeWEBDEV - Browser codePHP Two click codes are associated with the buttons:
  • a browser click code, which can be written in WLanguage (or JavaScript) in the code editor. This code is included in the HTML page and is executed on the user's computer.
  • a server click code, which can be written in WLanguage only. This code is executed on the server.
The table below presents the codes run according to the type and to the action associated with the button. The appearance of the button as well as the target have no effect on the sequence in which the codes are run.
Operation on the controlsActionSequence of codesRemarks
Send to server (submit)None1. Browser click code of the button.
2. Browser code for page submit (if it exists).
3. Code to send values from the controls in the page to update the page context on the server.
4. Run the server code of the button.
Automatically refresh the page context on the server.
Run the click code of the button
Display page1. Browser click code of the button.
2. Browser code for page submit (if it exists).
3. Code to send values from the controls in the page to update the page context on the server.
4. Run the server code of the button.
5. Page display.
Automatic update of the page context on the server.
Automatic page display.
Page reinitializationNone1. Browser click code of the button.
2. Display the initial page (reset or clear all the page controls and run the initialization code of the controls)
NoneNoneRun the browser code only
Run the click code of the button1. Run the browser click code of the button.
2. Run the server code of the button
Display page1. Run the browser click code of the button.
2. Run the server code of the button.
3. Page display.
Automatically display the page
Optional events
Several optional events are supported. 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 the following aspects, for example:
  • the mouse hover over the control,
  • left mouse button down, up, double click,
  • right mouse button down, up, double click,
  • mouse wheel, etc.
For more details, see the Optional events.
Minimum version required
  • Version 9
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Last update: 04/05/2023

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