protected sealed override void OpenEdit(RowManager rowManager)
{
Debug.Assert(rowManager == RowManager);
KeepInitialInputElement(rowManager);
if (rowManager.VirtualRow != null)
{
_insertingRow = rowManager.VirtualRow;
_insertingRow.DataRow = DataSet.BeginAdd();
}
else
{
_insertingRow = new RowPresenter(rowManager, DataSet.BeginAdd());
}
_insertingRow.RawIndex = InsertingRowRawIndex;
if (rowManager.VirtualRowPlacement == VirtualRowPlacement.Head)
{
rowManager.VirtualRow = new RowPresenter(rowManager, 0);
}
else if (rowManager.VirtualRowPlacement == VirtualRowPlacement.Tail)
{
rowManager.VirtualRow = new RowPresenter(rowManager, -1);
}
else if (rowManager.VirtualRow != null)
{
rowManager.VirtualRow = null;
}
rowManager.Editing = this;
rowManager.OnRowsChanged();
rowManager.SetCurrentRow(_insertingRow, false);
}