Closes and clears the BLF context.
Public Declare Function BLF_Final Lib "diCryptoSys.dll"
(ByVal hContext As Long) As Long
nRet = BLF_Final(hContext)
Long containing the handle to the BLF context.
long _stdcall BLF_Final(long ctx_handle);
Long: If successful, the return value is 0;
otherwise it returns a non-zero error code.
The handle hContext must have been set up by an earlier call
to BLF_Init or BLF_InitHex.
See BLF_UpdateHex.
BLF_Init
BLF_InitHex
BLF_UpdateHex
BLF_Update