Handle is a session-unique integer identifier or all SDK objects like connections, fill methods, rules, etc. The user should close unnecessary handles by CloseH call.

To close project handle the user should call CloseProject function and pass handle as parameter.

To close rule the user should call CloseRule function and pass rule handle as parameter.

To close rule's item the user should call CloseItem function and pass handle as parameter.

Note: a few functions return 0 is invalid handle. Please call GetError function for details in this case.

Handle types

Type	Description
DG_HANDLE	Fill methods and database connections
PRJ_HANDLE	Project handle
RULE_HANDLE	Rule handle
ITEM_HANDLE	Rule's item handle