onPopup callback

Topic: `APLX Help` : `System Classes` : `Callbacks` : `onPopup` [ Previous \| Next \| Contents \| Index \| APL Home ]
	The 'onPopup' callback
Event number: 19 Generated for: Menu The `onPopup` callback is invoked when the menu is popped up.
Topic: `APLX Help` : `System Classes` : `Callbacks` : `onPopup` [ Previous \| Next \| Contents \| Index \| APL Home ]

The 'onPopup' callback