Returns the chain ID (File ID / FID) of the group. The number must be between 0 and 64515. The structured append feature must be enabled with the EnableDMAppend function.
GetDMAppendChainID (pDevMode As Long) As Long
Input value - pDevMode: handle to the BlackIceDEVMODE structure
Return value - Returns the number of symbols in the current group.
NOTE: For 32-bit applications, use pDevMode as Integer, instead of Long.