RoleGroupCollection.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / RoleGroupCollection.cs / 1 / RoleGroupCollection.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.WebControls { 
 
    using System.Collections;
    using System.ComponentModel; 
    using System.Security.Permissions;
    using System.Security.Principal;
    using System.Drawing.Design;
    using System.Web.Security; 

 
    ///  
    /// Collection of RoleGroups.
    ///  
    [
    Editor("System.Web.UI.Design.WebControls.RoleGroupCollectionEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor))
    ]
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    public sealed class RoleGroupCollection : CollectionBase {
 
 
        public RoleGroup this[int index] {
            get { 
                return (RoleGroup)List[index];
            }
        }
 

        public void Add(RoleGroup group) { 
            List.Add(group); 
        }
 

        public void CopyTo(RoleGroup[] array, int index) {
            List.CopyTo(array, index);
        } 

 
        public bool Contains(RoleGroup group) { 
            return List.Contains(group);
        } 


        /// 
        /// The first RoleGroup that contains the user. 
        /// 
        public RoleGroup GetMatchingRoleGroup(IPrincipal user) { 
            int index = GetMatchingRoleGroupInternal(user); 
            if (index != -1) {
                return this[index]; 
            }
            return null;
        }
 
        /// 
        /// Index of the first RoleGroup that contains the user.  Internal because called from LoginView. 
        ///  
        internal int GetMatchingRoleGroupInternal(IPrincipal user) {
            if (user == null) { 
                throw new ArgumentNullException("user");
            }
            int i = 0;
            foreach (RoleGroup group in this) { 
                if (group.ContainsUser(user)) {
                    return i; 
                } 
                i++;
            } 
            return -1;
        }

 
        public int IndexOf(RoleGroup group) {
            return List.IndexOf(group); 
        } 

 
        public void Insert(int index, RoleGroup group) {
            List.Insert(index, group);
        }
 

        protected override void OnValidate(object value) { 
            base.OnValidate(value); 
            if (!(value is RoleGroup)) {
                throw new ArgumentException(SR.GetString(SR.RoleGroupCollection_InvalidType), "value"); 
            }
        }

 
        public void Remove(RoleGroup group) {
            int index = IndexOf(group); 
            if (index >= 0) { 
                List.RemoveAt(index);
            } 
        }
    }
}

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