internal bool RaiseCurrentCellValidatingEvent(object oldValue, object newValue, TreeGridColumn column, out object changedNewValue, RowColumnIndex currentCellIndex, FrameworkElement currentCell, out string errorMessage, object rowData, TreeNode node)
{
var e = new TreeGridCurrentCellValidatingEventArgs(treeGrid)
{
OldValue = oldValue,
NewValue = newValue,
Column = column,
IsValid = true,
RowData = rowData,
Node = node
};
var isValid = treeGrid.RaiseCurrentCellValidatingEvent(e);
changedNewValue = e.NewValue;
var cell = currentCell as TreeGridCell;
if (!isValid)
{
cell.SetError(e.ErrorMessage, false);
}
else if (errorMessages == null || !(errorMessages.Keys.Any(x => x == column.MappingName)))
{
cell.RemoveError(false);
}
errorMessage = e.ErrorMessage;
return(isValid);
}
