Warning
gtk_about_dialog_set_email_hook has been deprecated since version 2.24 and should not be used in newly-written code. Use the "activate-link" signal
Installs a global function to be called whenever the user activates an
email link in an about dialog.
Since 2.18 there exists a default function which uses gtk_show_uri(). To
deactivate it, you can pass NULL for func.
Since 2.6
Warning gtk_about_dialog_set_email_hook has been deprecated since version 2.24 and should not be used in newly-written code. Use the "activate-link" signal Installs a global function to be called whenever the user activates an email link in an about dialog. Since 2.18 there exists a default function which uses gtk_show_uri(). To deactivate it, you can pass NULL for func. Since 2.6