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KeyType (Property) In french: TypeClé
  Available only with these kinds of connection
The KeyType property is used to set the characteristics of a key item. You can: - Determine if an item is key for an item defined in the data model editor or through programming
- Define a key item (only for items defined programmatically).
Orders.OrdID.KeyType = hUniqueKey
...
HDescribeFile(Orders)
Syntax
Determining if an item is key Hide the details
<Characteristic> = <Data file>.<Item>.KeyType
<Characteristic>: Integer constant The characteristics of an item are:
| | | hDuplicatesKey | Key with duplicates. This item can have the same value for several data file records. | | hNotAKey | The item is not a key. | | hPrimaryKey | Primary key. The value assigned to this item will not be null and will be unique in the data file. | | hUniqueKey | Unique key. The value assigned to this item will be unique in the data file. No record in the file will have the same value for this item.
Remark: a unique key can contain Null values. |
<Data file>: Character string Name of the data file used. This name was defined in the data model editor or with the File Description type. <Item>: Character string Name of the item used. This name is defined in the data model editor or with the Item Description type.
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