public ColumnIdentifier this[int index]
{
get
{
// not checking disposal here as it could be accessed, post visible disposal, via a DynamicRowRange
var actualWidth = Count;
if (index >= actualWidth)
{
Throw.ArgumentOutOfRangeException(nameof(index), index, actualWidth);
}
var actualIx = index;
if (Offset.HasValue)
{
actualIx += Offset ?? 0;
}
string?colName = null;
if (Row.HasNames)
{
var names = Row.Names;
if (index < names.Length)
{
colName = names[actualIx];
}
}
// use apparent index, not actual index
return(ColumnIdentifier.CreateInner(index, colName, null));
}
}
internal object GetIndex(int index)
{
AssertNotDisposed();
if (!TryGetIndex(index, out var ret))
{
Throw.ArgumentOutOfRangeException(nameof(index), index, Width);
}
return(ret);
}
void ICollection <T> .CopyTo(T[] array, int arrayIndex)
{
Utils.CheckArgumentNull(array, nameof(array));
if (arrayIndex < 0)
{
Throw.ArgumentOutOfRangeException(nameof(arrayIndex), arrayIndex, 0, array.Length);
}
if (arrayIndex + Data.Count > array.Length)
{
Throw.ArgumentException(nameof(arrayIndex), $"Collection contains {Data.Count} elements, which will not fit in array of Length {array.Length} starting at index {arrayIndex}");
}
// not looking to optimize this, because we don't really care about
// this interface... but need it for LINQ to play ball
for (var i = 0; i < Data.Count; i++)
{
array[i + arrayIndex] = GetAt(i);
}
}
