DesktopButton.Cancel

From Xojo Documentation

Property (As Boolean )
aDesktopButton.Cancel = newBooleanValue
or
BooleanValue = aDesktopButton.Cancel

New in 2021r3

Supported for all project types and targets.

If True, the Escape key and Command-Period key sequence are mapped to the button. The default is False.

Sample Code

This example makes the PushButton a cancel button. It is in the Open event of the control.

Me.Cancel = True