/// <summary>
/// Copy into an array contents of the btree.
/// </summary>
/// <param name="DestArray">Destination array that will contain the items.</param>
/// <param name="StartIndex">Start index to start copying into</param>
/// <remarks>
/// On error, throws following Exceptions:
/// </remarks>
/// <remarks>
/// ArgumentNullException - array is a null reference (Nothing in Visual Basic).
/// </remarks>
/// <remarks>
/// ArgumentOutOfRangeException - arrayIndex is less than zero.
/// </remarks>
/// <remarks>
/// ArgumentException - array is multidimensional.
/// -or-
/// </remarks>
/// <remarks>
/// arrayIndex is equal to or greater than the length of array.
/// -or-
/// </remarks>
/// <remarks>
/// arrayIndex is equal to or greater than the length of array.
/// -or-
/// </remarks>
/// <remarks>
/// The number of elements in the source Hashtable is greater than the available space from arrayIndex to the end of the destination array.
/// </remarks>
public void CopyTo(Array DestArray, int StartIndex)
{
if (DestArray == null)
{
throw new ArgumentNullException(BTree.GetStringResource("DestArray"), BTree.GetStringResource("DestArrayIsNull"));
}
if (StartIndex < 0)
#if DEVICE
{ throw new ArgumentOutOfRangeException(BTree.GetStringResource("DestArray") + " " + StartIndex.ToString() + " " + BTree.GetStringResource("StartIndexIsNegative")); }
#else
{ throw new ArgumentOutOfRangeException(BTree.GetStringResource("DestArray"), (object)StartIndex, BTree.GetStringResource("StartIndexIsNegative")); }
#endif
if (DestArray.Rank > 1)
{
throw new ArgumentException(BTree.GetStringResource("DestArrayIsMulti"));
}
if (StartIndex >= DestArray.Length)
{
throw new ArgumentException(BTree.GetStringResource("StartIndexIsGreaterThanLength"));
}
if (this.Count > DestArray.Length - StartIndex)
{
throw new ArgumentException(BTree.GetStringResource("BTreeHasMoreElems"));
}
foreach (object o in this)
{
DestArray.SetValue(o, StartIndex);
StartIndex++;
}
}
/// <summary>
/// Compare object x's key with object y's key.<br/>
/// Returns:<br/>
/// < 0 if x.Key is < y.Key<br/>
/// > 0 if x.Key > y.Key<br/>
/// == 0 if x.Key == y.Key
/// </summary>
/// <param name="x">1st object whose key is to be compared</param>
/// <param name="y">2nd object whose key is to be compared</param>
/// <returns></returns>
public int Compare(object x, object y)
{
try
{
if (IsComparingObject)
{
int xHash = x.GetHashCode();
int yHash = y.GetHashCode();
return(xHash.CompareTo(yHash));
}
object xKey = x;
if (x is DictionaryEntry)
{
xKey = ((DictionaryEntry)x).Key;
}
object yKey = y;
if (y is DictionaryEntry)
{
yKey = ((DictionaryEntry)y).Key;
}
return(System.Collections.Comparer.Default.Compare(xKey, yKey));
}
catch (Exception e)
{
if (!(x is ValueType || IsComparingObject))
{
IsComparingObject = true;
if (x == null)
{
throw new ArgumentNullException("x");
}
if (y == null)
{
throw new ArgumentNullException("y");
}
try
{
int xHash = x.GetHashCode();
int yHash = y.GetHashCode();
return(xHash.CompareTo(yHash));
}
catch { }
}
throw new InvalidOperationException(BTree.GetStringResource("NoComparerError"), e);
}
}
/// <summary>
/// Compare string value of object x's key with object y's key<br/>
/// Returns:<br/>
/// < 0 if x.Key is < y.Key<br/>
/// > 0 if x.Key > y.Key<br/>
/// == 0 if x.Key == y.Key
/// </summary>
/// <param name="x">1st object whose key is to be compared</param>
/// <param name="y">2nd object whose key is to be compared</param>
/// <returns></returns>
public int Compare(object x, object y)
{
try
{
object xKey = x;
if (x is DictionaryEntry)
{
xKey = ((DictionaryEntry)x).Key;
}
object yKey = y;
if (y is DictionaryEntry)
{
yKey = ((DictionaryEntry)y).Key;
}
return(xKey.ToString().CompareTo(yKey.ToString()));
}
catch (Exception e)
{
throw new InvalidOperationException(BTree.GetStringResource("NoComparerError"), e);
}
}