ToggleButton
constructor()
Creates a new toggle button.
A widget should be packed into the button, as in ctor@Gtk.Button.new.
Return
a new toggle button.
Creates a new toggle button with a text label.
Return
a new toggle button.
Parameters
label
a string containing the message to be placed in the toggle button.
constructor(pointer: <Error class: unknown class><<Error class: unknown class>>)