public int wkhtmltopdf_set_finished_callback(IntPtr converter, [MarshalAs(UnmanagedType.FunctionPtr)] IntCallback callback) => WkHtmlToXBindings.wkhtmltopdf_set_finished_callback(converter, callback);
public int SetFinishedCallback(IntPtr converter, IntCallback callback) { return(WkHtmlToXBindings.wkhtmltopdf_set_finished_callback(converter, callback)); }