/// <summary> /// 尝试为输入控件设置值 /// </summary> /// <param name="input">输入控件</param> /// <param name="value">要设置的值</param> /// <returns>是否成功</returns> /// <remarks>对于密码框或不存在值吻合选项的输入组,此方法会设置失败并返回false</remarks> /// <exception cref="System.NotSupportedException">不被支持的输入控件</exception> public static bool TrySetValue(this IHtmlInputControl input, string value) { if (input == null) { return(false); } var textControl = input as IHtmlTextControl; if (textControl != null) { return(TrySetValue(textControl, value)); } var group = input as IHtmlGroupControl; if (group != null) { return(TrySetValue(group, value)); } throw new NotSupportedException(string.Format("名为 \"{0}\" 输入控件的类型 \"{1}\" 不受支持。", input.Name, input.GetType().FullName)); }