/// <summary>
/// Retrieves a particular row by <paramref name="rowNumber" />.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source" />.</typeparam>
/// <param name="source">The two dimension array to retrieve the row from.</param>
/// <param name="rowNumber">Number of row to retrieve. First row is zero.</param>
/// <returns>Row at number <paramref name="rowNumber" />.</returns>
/// <exception cref="T:System.ArgumentNullException"><paramref name="source" /> is null.</exception>
public static TSource[] GetRow <TSource>(this TSource[,] source, int rowNumber)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
return(Enumerable.Range(0, source.GetColumnCount())
.Select(e => source[e, rowNumber])
.ToArray());
}
/// <summary>
/// Returns the two dimension array as a single dimension array. The returned array will contain
/// a concatenation of each row.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source" />.</typeparam>
/// <param name="source">The two dimension array to get the row count on.</param>
/// <returns>Single dimension array.</returns>
/// <exception cref="T:System.ArgumentNullException"><paramref name="source" /> is null.</exception>
public static TSource[] ToSingleDimension <TSource>(this TSource[,] source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
var array = new TSource[source.Length];
var i = 0;
for (var rowIndex = 0; rowIndex < source.GetRowCount(); rowIndex++)
{
for (var colIndex = 0; colIndex < source.GetColumnCount(); colIndex++)
{
array[i] = source[colIndex, rowIndex];
i++;
}
}
return(array);
}