Retrieve next packet from CAP file opened for reading.

Syntax:

function Get_NextPacket(hPkt: Pointer) : DWORD;

Parameters:

hPkt

[in, out] The handle of the HNPacket object.

Return values:

Description:

Use this function to get access to the packets stored in a CAP file. This function may be called only after successfull call of the HNFileAdapter.OpenFile function.

If you already read packets from certain file, and need to read the first packet, please use HNFileAdapter.RewindFile.

Example of reading packets from CAP file using Get_NextPacket function:

// Create HNPacket object
HNPacket1 := HNPacket.Create(); 
HNPacket1.Handle := HNPacket1.AllocatePacket(1514);

// Open CAP file
Res = HNFileAdapter1.OpenFile("packets.cap");
...
repeat 
      
   // Read packet from file
   Res = HNFileAdapter1.Get_NextPacket(hPkt);
   
   // Getting access to the HNPacket properties and functions
   ... 
 
until Res = HNERR_OK;