is there a difference between toolbarbutton tbsCheck and tbsButton?

[Hansvb]

Hi,
What is the difference between a toolbarbutton of the type tbsCheck and tbsButton. They appear identical in the designer. And do you have to simulate with an image check / uncheck yourself?

[wp]

tbsCheck behaves like a CheckBox, i.e. you can toggle its state permanently between down and up. tbsButton, on the other hand, reacts like a button: it goes down when the mouse is pressed, but returns back to "up" when the mouse button is released.