settingscollection.cs

PowUpload的C#源文件,用来做大文件上传的项目

namespace ElementIT.PowUpload
{
    using System;
    using System.Collections.Specialized;
    using System.Reflection;

    public class SettingsCollection : NameObjectCollectionBase
    {
        private bool _isCommonSettingsCol;
        internal DateTime _timeCreated = DateTime.MinValue;

        internal SettingsCollection(bool isCommonSettingsCol)
        {
            this._timeCreated = DateTime.Now;
            this._isCommonSettingsCol = isCommonSettingsCol;
        }

        internal bool HasKey(string Name)
        {
            for (int i = 0; i < base.Keys.Count; i++)
            {
                if (string.Compare(base.Keys[i], Name, true) == 0)
                {
                    return true;
                }
            }
            return false;
        }

        public object this[string Name]
        {
            get
            {
                if (this.HasKey(Name))
                {
                    return base.BaseGet(Name);
                }
                if (this._isCommonSettingsCol)
                {
                    return null;
                }
                return Settings.CommonSettings[Name];
            }
            set
            {
                if (this.HasKey(Name))
                {
                    base.BaseSet(Name, value);
                }
                else
                {
                    base.BaseAdd(Name, value);
                }
            }
        }
    }
}