Method ITcIoUdpProtocol:SendData

Sends data.

Syntax

HRESULT TCOMAPI SendData(ULONG ipAddr, USHORT udpDestPort, USHORT udpSrcPort, ULONG nData, PVOID pData, bool bCalcUdpCheckSum=0, ETYPE_VLAN_HEADER* pVlan=0)

Return value

Type	Description
HRESULT	Indicates success, see Return values.

Parameter

Name	Type	Description
ipAddr	ULONG	The IP address of the receiver. IP addresses are displayed with the most significant element in the last position. (Example: 192.168.2.1 -> 01 02 A8 C0)
udpDestPort	USHORT	The port of the receiver.
udpSrcPort	USHORT	The port of the sender.
nData	ULONG	Number of date to be sent in bytes.
pData	PVOID	Pointer to the data to be sent.
bCalcUdpCheckSum	BOOL	Indicates whether the checksum should be calculated.
pVlan	ETYPE_VLAN_HEADER	ETYPE_VLAN_HEADER structure, see below.

The VLAN header represents information about the VLAN.

typedef struct _ETYPE_VLAN_HEADER
{
    USHORT VLanType;
    unsigned short VLanIdH   : 4;
    unsigned short reserved1 : 1;
    unsigned short Priority  : 3;
    unsigned short VLanIdL   : 8;
} ETYPE_VLAN_HEADER, *PETYPE_VLAN_HEADER;