mcs/class/referencesource/System.Data/System/Data/OleDb/OleDbErrorCollection.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="OleDbErrorCollection.cs" company="Microsoft">
   3 //      Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 // <owner current="true" primary="false">Microsoft</owner>
   7 //------------------------------------------------------------------------------
   8
   9 namespace System.Data.OleDb {
  10
  11     using System;
  12     using System.ComponentModel;
  13     using System.Collections;
  14     using System.Data.Common;
  15
  16     [Serializable, ListBindable(false)]
  17     public sealed class OleDbErrorCollection : System.Collections.ICollection {
  18         readonly private ArrayList items; // WebData 106655
  19
  20         internal OleDbErrorCollection(UnsafeNativeMethods.IErrorInfo errorInfo) {
  21             ArrayList items = new ArrayList();
  22
  23             Bid.Trace("<oledb.IUnknown.QueryInterface|API|OS> IErrorRecords\n");
  24             UnsafeNativeMethods.IErrorRecords errorRecords = (errorInfo as UnsafeNativeMethods.IErrorRecords);
  25             if (null != errorRecords) {
  26
  27                 int recordCount = errorRecords.GetRecordCount();
  28                 Bid.Trace("<oledb.IErrorRecords.GetRecordCount|API|OS|RET> RecordCount=%d\n", recordCount);
  29
  30                 for (int i = 0; i < recordCount; ++i) {
  31                     OleDbError error = new OleDbError(errorRecords, i);
  32                     items.Add(error);
  33                 }
  34             }
  35             this.items = items;
  36         }
  37
  38         bool System.Collections.ICollection.IsSynchronized {
  39             get { return false;}
  40         }
  41
  42         object System.Collections.ICollection.SyncRoot {
  43             get { return this;}
  44         }
  45
  46         public int Count {
  47             get {
  48                 ArrayList items = this.items;
  49                 return ((null != items) ? items.Count : 0);
  50             }
  51         }
  52
  53         public OleDbError this[int index] {
  54             get {
  55                 return (this.items[index] as OleDbError);
  56             }
  57         }
  58
  59         internal void AddRange(ICollection c) {
  60             items.AddRange(c);
  61         }
  62
  63         public void CopyTo(Array array, int index) {
  64             this.items.CopyTo(array, index);
  65         }
  66
  67         public void CopyTo (OleDbError[] array, int index) {
  68             this.items.CopyTo(array, index);
  69         }
  70
  71         public IEnumerator GetEnumerator() {
  72             return this.items.GetEnumerator();
  73         }
  74     }
  75 }