IModel.GetRelationAt method
Namespace: NextDesign.Core
Description
Gets the association of the specified position in the specified field. This method evaluates IContextOption.PlModelAccessMode.
argument
| Name | Type | Description |
|---|---|---|
| fieldName | string | Field name Null or an empty string cannot be specified. |
| index | int | Position Specify the index whose start position is 0. |
Return value
Exception
| Name | Exception Class | Description |
|---|---|---|
| Invalid argument | ExtensionArgumentException | When null or an empty string is specified for fieldName |
| Field not found | ExtensionFieldNotFoundException | If the specified field is not found in the metaclass of this instance |
| Illegal field access | ExtensionIllegalFieldAccessException | When this method is executed for a field with a multiplicity limit of 1 |
| Invalid index range | ExtensionOutOfRangeException | When a negative number is specified for index or when a value greater than or equal to the number of elements in the corresponding field is specified for index |