/// <param name="start">
/// A caret position before the first character from a text range, not an index of an item.
/// </param>
/// <param name="end">
/// A caret position after the last character from a text range, not an index of an item.
/// </param>
/// <remark>
/// If there is a range "Test string", then start = 0, end = 11.
/// If start = 2 and end = 9, the range is "et stri".
/// If start=end, that points a caret position only, there is no any text range.
/// </remark>
public UiaTextRange(IRawElementProviderSimple enclosingElement, UiaTextProvider provider, int start, int end)
{
_enclosingElement = enclosingElement.OrThrowIfNull();
_provider = provider.OrThrowIfNull();
if (start > 0)
{
_start = start;
_end = start;
}
if (end > _start)
{
_end = end;
}
}