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Berkeley DB .NET API Documentation
HashCursor Methods
HashCursor Class See Also Send Feedback

The HashCursor type exposes the following members.

# Methods

| Name | Description
--- | --- | ---
| Add | Overloaded.
| AddUnique | Insert the specified key/data pair into the database, unless a key/data pair comparing equally to it already exists in the database.

Close

Discard the cursor. If you do not close the cursor before closing the database handle or the transaction handle that owns this cursor, then, closing a database handle or a transaction handle closes these open cursors.

It is possible for the Close() method to throw a DeadlockException, signaling that any enclosing transaction should be aborted. If the application is already intending to abort the transaction, this error should be ignored, and the application should proceed.

After Close has been called, regardless of its result, the object may not be used again.

(Inherited from BaseCursor.)

| Compare | Compare this cursor's position to another's. (Inherited from BaseCursor.)
| Count | Returns a count of the number of data items for the key to which the cursor refers. (Inherited from BaseCursor.)
| Delete | Delete the key/data pair to which the cursor refers. (Inherited from Cursor.)
| Dispose | Release the resources held by this object, and close the cursor if it's still open. (Inherited from BaseCursor.)
| Duplicate | Create a new cursor that uses the same transaction and locker ID as the original cursor.
| Equals | Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
| GetEnumerator | Returns an enumerator that iterates through the Cursor. (Inherited from Cursor.)
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.)
| GetType | Gets the type of the current instance. (Inherited from Object.)
| Insert | Insert the data element as a duplicate element of the key to which the cursor refers.
| Move | Overloaded.
| MoveFirst | Overloaded.
| MoveFirstMultiple | Overloaded. If positioning the cursor fails, CurrentMultiple will contain an empty KeyValuePair<(Of <(TKey, TValue>)>).
| MoveFirstMultipleKey | Overloaded.
| MoveLast | Overloaded.
| MoveMultiple | Overloaded.
| MoveMultipleKey | Overloaded.
| MoveNext | Overloaded.
| MoveNextDuplicate | Overloaded.
| MoveNextDuplicateMultiple | Overloaded.
| MoveNextDuplicateMultipleKey | Overloaded.
| MoveNextMultiple | Overloaded.
| MoveNextMultipleKey | Overloaded.
| MoveNextUnique | Overloaded.
| MoveNextUniqueMultiple | Overloaded.
| MoveNextUniqueMultipleKey | Overloaded.
| MovePrev | Overloaded.
| MovePrevDuplicate | Overloaded.
| MovePrevUnique | Overloaded.
| Overwrite | Overwrite the data of the key/data pair to which the cursor refers with the specified data item. (Inherited from Cursor.)
| Refresh | Overloaded.
| RefreshMultiple | Overloaded.
| RefreshMultipleKey | Overloaded.
| ToString | Returns a string that represents the current object. (Inherited from Object.)

# See Also

HashCursor Class
BerkeleyDB Namespace