#[repr(C)]
pub struct GtkPrintOperationPreviewIface {
    pub g_iface: GTypeInterface,
    pub ready: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: *mut GtkPrintContext)>,
    pub got_page_size: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: *mut GtkPrintContext, _: *mut GtkPageSetup)>,
    pub render_page: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: c_int)>,
    pub is_selected: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: c_int) -> gboolean>,
    pub end_preview: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview)>,
    pub _gtk_reserved1: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved2: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved3: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved4: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved5: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved6: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved7: Option<unsafe extern "C" fn()>,
    pub _gtk_reserved8: Option<unsafe extern "C" fn()>,
}
Fields
                           
                           g_iface: GTypeInterface
                           
                           
                           ready: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: *mut GtkPrintContext)>
                           
                           
                           got_page_size: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: *mut GtkPrintContext, _: *mut GtkPageSetup)>
                           
                           
                           render_page: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: c_int)>
                           
                           
                           is_selected: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview, _: c_int) -> gboolean>
                           
                           
                           end_preview: Option<unsafe extern "C" fn(_: *mut GtkPrintOperationPreview)>
                           
                           
                           _gtk_reserved1: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved2: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved3: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved4: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved5: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved6: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved7: Option<unsafe extern "C" fn()>
                           
                           
                           _gtk_reserved8: Option<unsafe extern "C" fn()>