/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="from">The data table to copy the structure from.</param>
public DataTable(DataTable from)
: this((DataColumnCollection)from._dataColumns.Clone(), (DataColumnCollection)from._propertyColumns.Clone())
{
this._parent = null; // do not clone the parent
this._name = from._name;
this._tableScript = null == from._tableScript ? null : (TableScript)from._tableScript.Clone();
this._creationTime = this._lastChangeTime = DateTime.UtcNow;
ChildCopyToMember(ref _notes, from._notes);
// Clone also the table properties (deep copy)
if (from._tableProperties != null && from._tableProperties.Count > 0)
{
PropertyBagNotNull.CopyFrom(from._tableProperties);
}
else
{
this._tableProperties = null;
}
ChildCopyToMember(ref _tableDataSource, from._tableDataSource);
}
protected override IEnumerable<Main.DocumentNodeAndName> GetDocumentNodeChildrenWithName()
{
if (null != _dataColumns)
yield return new Main.DocumentNodeAndName(_dataColumns, () => _dataColumns = null, "DataCols");
if (null != _propertyColumns)
yield return new Main.DocumentNodeAndName(_propertyColumns, () => _propertyColumns = null, "PropCols");
if (null != DataSource)
yield return new Main.DocumentNodeAndName(_tableDataSource, () => _tableDataSource = null, "DataSource");
if (null != PropertyBag)
yield return new Main.DocumentNodeAndName(_tableProperties, () => _tableProperties = null, "PropertyBag");
if (null != _tableScript)
yield return new Main.DocumentNodeAndName(_tableScript, () => _tableScript = null, "TableScript");
if (null != _notes)
yield return new Main.DocumentNodeAndName(_notes, () => _notes = null, "Notes");
if (null != _dataColumns && null != _dataColumns.ColumnScripts)
yield return new Main.DocumentNodeAndName(_dataColumns.ColumnScripts, "DataColumnScripts");
if (null != _propertyColumns && null != _propertyColumns.ColumnScripts)
yield return new Main.DocumentNodeAndName(_propertyColumns.ColumnScripts, "PropertyColumnScripts");
}