WapPing
A version of this page is also available for
4/8/2010
This function pings another WAP client.
Syntax
HRESULT WapPing(
const WAP_ADDRESS* const pwaAddress,
const WORD wIdentifier,
const DWORD dwSendDataSize,
DWORD* const pdwReceiveDataSize,
const DWORD dwTimeout
);
Parameters
- pwaAddress
[in] Pointer to a WAP_ADDRESS structure containing the destination address of the ping message.
- wIdentifier
[in] Identifier for the WCMP-ECHO-REQUEST message. For more information, see WAP Specification WAP-202, "Wireless Control Message Protocol (WCMP)."
- dwSendDataSize
[in] The number of bytes in the outgoing packet.
- pdwReceiveDataSize
[in] Pointer to the number of bytes in the received packet.
- dwTimeout
[in] The number of milliseconds to wait for the ping response.
Return Value
Returns S_OK if successful. If unsuccessful, this function returns the standard values E_INVALIDARG, E_OUTOFMEMORY, E_UNEXPECTED, and E_FAIL.
Remarks
Depending on the bearer type of the pwaAddress parameter, this function will either send an Internet Control Message Protocol (ICMP) message over the User Datagram Protocol (UDP) bearer or a Wireless Control Message Protocol (WCMP) message over the Short Message Service (SMS) bearer. Note that the payload limit for the Short Message Service (SMS) bearer is only 140 bytes, instead of the 65,528 bytes allowed over UDP. Success of this function does notdepend on receiving the correct amount of data or the correct data bytes.
Requirements
| Header | wap.h |
| Library | Wap.lib |
| Windows Embedded CE | Windows Embedded CE 6.0 and later |
| Windows Mobile | Pocket PC 2002 and later, Smartphone 2002 and later |