Topic Path: Symbol Reference > Classes > TIdFSPPacket Class > TIdFSPPacket Properties > DataLen Property
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TIdFSPPacket.DataLen Property

Length of the binary contents of the packet.

property DataLen: Word;

DataLen is a Cardinal property that represents the length of the binary content stored in the Data property. 

The value in DataLen is updated in methods in the FSP client that implement the various FSP commands using the formats specified in the FSP protocol. 

The value in DataLen is also used when WritePacket is called to send the binary content of the packet to the remote FSP host.

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