From Xojo Documentation

Property (As Boolean )
aWebButton.Cancel = newBooleanValue
BooleanValue = aWebButton.Cancel

Supported for all project types and targets.

If True, the Escape key and Command/Control-Period key sequence trigger the Pressed event.


The Cancel property can only be set to True for a single button each per page at any given moment.

Sample Code

This example makes the WebButton a cancel button. It is in the Opening event of the control.

Me.Cancel = True