using System.Drawing; using System.Windows.Forms; namespace Dongke.WinForm.Controls { /// /// 编码输入文本框(数字和字母) /// [ToolboxBitmap(typeof(TextBox))] public class TxtCode : TextBoxCodeBase { #region 构造函数 /// /// 编码输入文本框(数字和字母) /// public TxtCode() { this.Rejected = "[^0-9a-zA-Z]"; } #endregion } }