Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / SelectedDatesCollection.cs / 1 / SelectedDatesCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class SelectedDatesCollection : ICollection { private ArrayList dateList; ///Encapsulates the collection of ///within a control. /// public SelectedDatesCollection(ArrayList dateList) { this.dateList = dateList; } ///Initializes a new instance of the ///class /// with the specified date list. /// public int Count { get { return dateList.Count; } } ///Gets the item count of the collection. ////// public DateTime this[int index] { get { return(DateTime) dateList[index]; } } ///Gets a ///referenced by the specified ordinal index value in the collection. /// public void Add(DateTime date) { int index; if (!FindIndex(date.Date, out index)) { dateList.Insert(index, date.Date); } } ///Adds the specified ///to the end of the collection. /// public void Clear() { dateList.Clear(); } ///Removes all ///controls from the collection. /// public bool Contains(DateTime date) { int index; return FindIndex(date.Date, out index); } ///Returns a value indicating whether the collection contains the specified /// date. ////// private bool FindIndex(DateTime date, out int index) { int n = Count; int Min = 0; int Max = n; while (Min < Max) { index = (Min + Max ) / 2; if (date == this[index]) { return true; } if (date < this[index]) { Max = index; } else { Min = index + 1; } } index = Min; return false; } ////// public IEnumerator GetEnumerator() { return dateList.GetEnumerator(); } ///Returns an enumerator of all ///controls within the collection. /// public void CopyTo(Array array, int index) { for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } ///Copies contents from the collection to a specified ///with a /// specified starting index. /// public Object SyncRoot { get { return this;} } ///Gets the object that can be used to synchronize access to the collection. In /// this case, it is the collection itself. ////// public bool IsReadOnly { get { return false;} } ///Gets a value indicating whether the collection is read-only. ////// public bool IsSynchronized { get { return false;} } ///Gets a value indicating whether access to the collection is synchronized /// (thread-safe). ////// public void Remove(DateTime date) { int index; if (FindIndex(date.Date, out index)) { dateList.RemoveAt(index); } } ///Removes the specified date from the collection. ////// public void SelectRange(DateTime fromDate, DateTime toDate) { dateList.Clear(); if (fromDate <= toDate) { // The while loop below is safe that it is not attempting to add // day beyond the last supported date because toDate can happen // to be the last supported date. dateList.Add(fromDate); DateTime date = fromDate; while (date < toDate) { date = date.AddDays(1); dateList.Add(date); } } } } }Sets the contents of the ///to span /// across the specified date range.
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