FontDialogButton
Creates a new GtkFontDialogButton with the given GtkFontDialog.
You can pass NULL to this function and set a GtkFontDialog later. The button will be insensitive until that happens.
Return
the new GtkFontDialogButton
Since
4.10
Parameters
dialog
the GtkFontDialog to use
constructor(pointer: <Error class: unknown class><<Error class: unknown class>>)