EventLogEntryCollection.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Monitoring / system / Diagnosticts / EventLogEntryCollection.cs / 1305376 / EventLogEntryCollection.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Diagnostics { 
    using System.Text; 
    using System;
    using System.Collections; 

    //Consider, V2, [....]: Is there a way to implement Contains
    //and IndexOf, can we live withouth this part of the ReadOnly
    //collection pattern? 
    /// 
    ///    [To be supplied.] 
    ///  
    public class EventLogEntryCollection : ICollection {
        private EventLogInternal log; 

        internal EventLogEntryCollection(EventLogInternal log) {
            this.log = log;
        } 

        ///  
        ///     
        ///       Gets the number of entries in the event log
        ///     
        /// 
        public int Count {
            get {
                return log.EntryCount; 
            }
        } 
 
        /// 
        ///     
        ///       Gets an entry in
        ///       the event log, based on an index starting at 0.
        ///    
        ///  
        public virtual EventLogEntry this[int index] {
            get { 
                return log.GetEntryAt(index); 
            }
        } 

        /// 
        ///    [To be supplied.]
        ///  
        public void CopyTo(EventLogEntry[] entries, int index) {
            ((ICollection)this).CopyTo((Array)entries, index); 
        } 

        ///  
        /// 
        public IEnumerator GetEnumerator() {
            return new EntriesEnumerator(this);
        } 

        internal EventLogEntry GetEntryAtNoThrow(int index) { 
            return log.GetEntryAtNoThrow(index); 
        }
 
        /// 
        bool ICollection.IsSynchronized {
            get {
                return false; 
            }
        } 
 
        /// 
        ///    ICollection private interface implementation. 
        /// 
        /// 
        object ICollection.SyncRoot {
            get { 
                return this;
            } 
        } 

        ///  
        ///    ICollection private interface implementation.
        /// 
        /// 
        void ICollection.CopyTo(Array array, int index) { 
            EventLogEntry[] entries = log.GetAllEntries();
            Array.Copy(entries, 0, array, index, entries.Length);			       				 
        } 

        ///  
        ///    
        ///       Holds an System.Diagnostics.EventLog.EventLogEntryCollection that
        ///       consists of the entries in an event
        ///       log. 
        ///    
        ///  
        private class EntriesEnumerator : IEnumerator { 
            private EventLogEntryCollection entries;
            private int num = -1; 
            private EventLogEntry cachedEntry = null;

            internal EntriesEnumerator(EventLogEntryCollection entries) {
                this.entries = entries; 
            }
 
            ///  
            ///    
            ///       Gets the entry at the current position. 
            ///    
            /// 
            public object Current {
                get { 
                    if (cachedEntry == null)
                        throw new InvalidOperationException(SR.GetString(SR.NoCurrentEntry)); 
 
                    return cachedEntry;
                } 
            }

            /// 
            ///     
            ///       Advances the enumerator to the next entry in the event log.
            ///     
            ///  
            public bool MoveNext() {
                num++; 
                cachedEntry = entries.GetEntryAtNoThrow(num);

                return cachedEntry != null;
            } 

            ///  
            ///     
            ///       Resets the state of the enumeration.
            ///     
            /// 
            public void Reset() {
                num = -1;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Diagnostics { 
    using System.Text; 
    using System;
    using System.Collections; 

    //Consider, V2, [....]: Is there a way to implement Contains
    //and IndexOf, can we live withouth this part of the ReadOnly
    //collection pattern? 
    /// 
    ///    [To be supplied.] 
    ///  
    public class EventLogEntryCollection : ICollection {
        private EventLogInternal log; 

        internal EventLogEntryCollection(EventLogInternal log) {
            this.log = log;
        } 

        ///  
        ///     
        ///       Gets the number of entries in the event log
        ///     
        /// 
        public int Count {
            get {
                return log.EntryCount; 
            }
        } 
 
        /// 
        ///     
        ///       Gets an entry in
        ///       the event log, based on an index starting at 0.
        ///    
        ///  
        public virtual EventLogEntry this[int index] {
            get { 
                return log.GetEntryAt(index); 
            }
        } 

        /// 
        ///    [To be supplied.]
        ///  
        public void CopyTo(EventLogEntry[] entries, int index) {
            ((ICollection)this).CopyTo((Array)entries, index); 
        } 

        ///  
        /// 
        public IEnumerator GetEnumerator() {
            return new EntriesEnumerator(this);
        } 

        internal EventLogEntry GetEntryAtNoThrow(int index) { 
            return log.GetEntryAtNoThrow(index); 
        }
 
        /// 
        bool ICollection.IsSynchronized {
            get {
                return false; 
            }
        } 
 
        /// 
        ///    ICollection private interface implementation. 
        /// 
        /// 
        object ICollection.SyncRoot {
            get { 
                return this;
            } 
        } 

        ///  
        ///    ICollection private interface implementation.
        /// 
        /// 
        void ICollection.CopyTo(Array array, int index) { 
            EventLogEntry[] entries = log.GetAllEntries();
            Array.Copy(entries, 0, array, index, entries.Length);			       				 
        } 

        ///  
        ///    
        ///       Holds an System.Diagnostics.EventLog.EventLogEntryCollection that
        ///       consists of the entries in an event
        ///       log. 
        ///    
        ///  
        private class EntriesEnumerator : IEnumerator { 
            private EventLogEntryCollection entries;
            private int num = -1; 
            private EventLogEntry cachedEntry = null;

            internal EntriesEnumerator(EventLogEntryCollection entries) {
                this.entries = entries; 
            }
 
            ///  
            ///    
            ///       Gets the entry at the current position. 
            ///    
            /// 
            public object Current {
                get { 
                    if (cachedEntry == null)
                        throw new InvalidOperationException(SR.GetString(SR.NoCurrentEntry)); 
 
                    return cachedEntry;
                } 
            }

            /// 
            ///     
            ///       Advances the enumerator to the next entry in the event log.
            ///     
            ///  
            public bool MoveNext() {
                num++; 
                cachedEntry = entries.GetEntryAtNoThrow(num);

                return cachedEntry != null;
            } 

            ///  
            ///     
            ///       Resets the state of the enumeration.
            ///     
            /// 
            public void Reset() {
                num = -1;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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EventLogEntryCollection.cs source code in C# .NET

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