onFailed
fun onFailed( connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (<Error class: unknown class>) -> Unit): <Error class: unknown class>(source)
Emitted when an error occurs while printing. The given @error, of the domain %WEBKIT_PRINT_ERROR, contains further details of the failure. The #WebKitPrintOperation::finished signal is emitted after this one.
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: error the #GError that was triggered