signal callback delegate or function to connect
void callback(gtk.font_dialog_button.FontDialogButton fontDialogButton)
fontDialogButton the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to Activate signal.
Emitted when the font dialog button is activated.
The ::activate signal on gtk.font_dialog_button.FontDialogButton is an action signal and emitting it causes the button to pop up its dialog.