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This structure describes an extension identifier. Extension identifiers are used to identify service provider-specific extensions for line devices. Multiple functions use this structure, including the lineNegotiateAPIVersion function and the TSPI_lineGetExtensionID function.
typedef struct lineextensionid_tag {DWORDdwExtensionID0;DWORDdwExtensionID1;DWORDdwExtensionID2;DWORDdwExtensionID3;} LINEEXTENSIONID, FAR* LPLINEEXTENSIONID;
Members
- dwExtensionID0
First part of the extension identifier. - dwExtensionID1
Second part of the extension identifier. - dwExtensionID2
Third part of the extension identifier. - dwExtensionID3
Fourth part of the extension identifier.
Remarks
These four members together specify a universally unique extension identifier that identifies a line device class extension. This structure may not be extended.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Tapi.h.
See Also
lineNegotiateAPIVersion | TSPI_lineGetExtensionID
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