PopupPanelCallback (flamingo 4.0.0 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface PopupPanelCallback
```
An application hook that allows associating a custom popup panel with a popup area of the specific command button.

See Also:

JCommandButton.setPopupCallback(PopupPanelCallback)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`JPopupPanel`	`getPopupPanel(JCommandButton commandButton)`	Returns the popup panel to be shown when the popup area of the specified command button is activated.

- Method Detail
  - getPopupPanel
```
JPopupPanel getPopupPanel(JCommandButton commandButton)
```
    Returns the popup panel to be shown when the popup area of the specified command button is activated.
    
    Parameters:
    
    commandButton - Command button.
    
    Returns:
    
    The popup panel to be shown when the popup area of the specified command button is activated.