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TIdStack.CalcCheckSum Method
TIdStack Class | TIdStack Members
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Calculate the CRC for values for the specified data.

Pascal
function CalcCheckSum(
    const AData: TIdBytes
): word; virtual;
Parameters
Parameters 
Description 
AData 
Data to use when calculating the CRC value. 
Returns

Word - CRC value for the specified data.

Description

CalcCheckSum is a Word function used to calculate the CRC for values passed in the AData parameter. 

CalcCheckSum calls the BytesToWord routine in IdGlobal.pas to convert the bytes in AData to Word data types used when calculating the CRC value. 

CalcCheckSum is used in protocol clients where CRC values are used to ensure the validity of data packets transmitted using a specific protocol. 

Use WriteChecksum to write a CRC value to the socket.

See Also
Related Information
Internet Direct (Indy) version 10.1.5
Copyright © 1993-2006, Chad Z. Hower (aka Kudzu) and the Indy Pit Crew. All rights reserved.
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