control<%> : interface?

implements:  subwindow<%>

The control<%> interface is implemented by the built-in control window classes:

• message%

• button%

• check-box%

• slider%

• gauge%

• text-field%

• radio-box%

• choice%

• list-box%

(send a-control command event) → void?

event : (is-a?/c control-event%)

Calls the control’s callback function, passing on the given control-event% object.

(send a-control get-font) → (is-a?/c font%)

Returns the font used for the control, which is optionally supplied when a control is created.