knowing when JComboBox's data has changed

Hello, I have a custom JComboBox class where I set a ToolTip for each item. It works in times when I send a populated vector to the class. However, sometimes I need to send an empty vector and populate it later. How can I find out in custom JCB class when my vector has changed in number of

Re: knowing when JComboBox's data has changed

Aleksandr Kravets wrote: Hello, I have a custom JComboBox class where I set a ToolTip for each item. It works in times when I send a populated vector to the class. However, sometimes I need to send an empty vector and populate it later. How can I find out in custom JCB class when my vector has