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ChangeHistory
Change current history buffer.
Short Name
CHGHST()
Type
ISAM function
Declaration
COUNT ChangeHistory(COUNT hstnum)
Description
ChangeHistory() is called before each use of TransactionHistory() when multiple history buffers are in use at the same time. As a new history area is needed, simply call ChangeHistory() with a unique hstnum.
Changing between active history buffers is accomplished by passing the desired hstnum value. hstnum values do not need to be consecutive and can be positive or negative values up to 32,767.
Return
Value |
Symbolic Constant |
Explanation |
|---|---|---|
0 |
NO_ERROR |
Successful set change. |
185 |
ISAL_ERR |
No memory available for history buffers. |
See FairCom DB Error Codes for a complete listing of valid FairCom DB error values.
See also
TransactionHistory, FreeHistory
