public static bool TryCreate(TextLineCollection lines, TextSpan span, out TextLineCollectionSelection selection)
{
selection = null;
if (lines.Count == 0)
{
return(false);
}
(int startIndex, int endIndex) = GetIndexes(lines, span);
if (startIndex == -1)
{
return(false);
}
selection = new TextLineCollectionSelection(lines, span, startIndex, endIndex);
return(true);
}
internal static bool TryCreate(TextLineCollection lines, TextSpan span, int minCount, int maxCount, out TextLineCollectionSelection selectedLines)
{
selectedLines = Create(lines, span, minCount, maxCount);
return(selectedLines != null);
}
/// <summary>
/// Creates a new <see cref="TextLineCollectionSelection"/> based on the specified list and span.
/// </summary>
/// <param name="lines"></param>
/// <param name="span"></param>
/// <param name="selectedLines"></param>
/// <returns>True if the specified span contains at least one line; otherwise, false.</returns>
public static bool TryCreate(TextLineCollection lines, TextSpan span, out TextLineCollectionSelection selectedLines)
{
selectedLines = Create(lines, span, 1, int.MaxValue);
return(selectedLines != null);
}
internal EnumeratorImpl(TextLineCollectionSelection selection)
{
_en = new Enumerator(selection);
}
internal Enumerator(TextLineCollectionSelection selection)
{
_selection = selection;
_index = -1;
}
