internal TrackedString(TrackedStringManager source, int startIndex, int endIndex)
{
this.Source = source;
this.OffsetInSource = startIndex;
if (!source.IsInPlaceholderMode)
{
// Note: The point of calling SetValueInternal is that derived instances
// can then process it. At this point, the derived instance constructor
// hasn't been called so it won't be used.
m_value = source.Text.SubstringWithIndices(startIndex, endIndex);
}
}
/// <summary>
/// (Internal) Builds a TrackedString - To use in AppendNew (does not trigger any updates or lookup into source).
/// </summary>
internal TrackedString(TrackedStringManager source, int startIndex, string value)
{
this.Source = source;
this.OffsetInSource = startIndex;
m_value = value;
}
internal TrackedString(TrackedStringManager source)
{
this.Source = source;
this.OffsetInSource = -1;
m_value = null;
}