While using the Popup Panel, you may find that you are able to close a popup window while clicking external area.
This is what we call Popup Panel auto-close policy.
There are three options of the Close policy in the component properties panel.
None – It means the Popup Panel will not close automatically no matter where you click on unless you set a close command. This is the most strict policy.
Click external area – It means you are able to close the Popup Panel while clicking external area. This is the moderately strict policy.
Click anywhere – It means you are able to close the Popup Panel by clicking anywhere. This is the least strict policy.
By default, the auto-close policy is set to “Click external area”. Here is a snapshot for reference: