using OpenTap.Addin.Util; using System; namespace AddInPlugin.Util { public class MethodUtil { public static readonly MethodUtil Instance = new MethodUtil(); private MethodUtil() { } public bool IsNullOrEmpty(object obj) { return string.IsNullOrEmpty(obj?.ToString()); } public string Str(object obj) { return obj?.ToString(); } public string DateStr(string pattern = "yyyy-MM-dd HH:mm:ss") { return DateTime.Now.ToString(pattern); } public DateTime NewDate() { return DateTime.Now; } } }