/// <summary>
/// Ensures that the selected columns in the source <see cref="DataColumnCollection"/> do also exist in the destination <see cref="DataColumnCollection"/>.
/// </summary>
/// <param name="sourceTable">The source table.</param>
/// <param name="selectedSourceDataColumns">The selected source data columns. If this parameter is null, all source columns are selected.</param>
/// <param name="destinationTable">The destination table.</param>
public static void EnsureColumnsExistInDestinationCollection(this DataColumnCollection sourceTable, IAscendingIntegerCollection selectedSourceDataColumns, DataColumnCollection destinationTable)
{
if (null == selectedSourceDataColumns || 0 == selectedSourceDataColumns.Count)
{
selectedSourceDataColumns = Altaxo.Collections.ContiguousIntegerRange.FromStartAndCount(0, sourceTable.ColumnCount);
}
foreach (var colIdx in selectedSourceDataColumns)
{
var srcCol = sourceTable[colIdx];
destinationTable.EnsureExistence(
sourceTable.GetColumnName(srcCol),
srcCol.GetType(),
sourceTable.GetColumnKind(srcCol),
sourceTable.GetColumnGroup(srcCol)
);
}
}
