LINEMESSAGE
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4/8/2010
This structure contains parameter values specifying a change in status of the line the application currently has open. The lineGetMessage function returns the LINEMESSAGE structure.
Syntax
typedef struct linemessage_tag {
DWORD hDevice;
DWORD dwMessageID;
DWORD_PTR dwCallbackInstance;
DWORD_PTR dwParam1;
DWORD_PTR dwParam2;
DWORD_PTR dwParam3;
} LINEMESSAGE, FAR* LPLINEMESSAGE;
Members
- hDevice
Handle to either a line device or a call. The nature of this handle (line handle or call handle) can be determined by the context provided by dwMessageID.
- dwMessageID
Line or call device message.
- dwCallbackInstance
Instance data passed back to the application, which was specified by the application in the dwCallBackInstance parameter of the lineInitializeEx function. This DWORD is not interpreted by TAPI.
- dwParam1
Parameter for the message.
- dwParam2
Parameter for the message.
- dwParam3
Parameter for the message.
Remarks
For information about parameter values passed in this structure, see the line device messages.
Requirements
| Header | tapi.h |
| Windows Embedded CE | Windows CE 3.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |