LINEMESSAGE (Windows CE 5.0)

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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.

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

OS Versions: Windows CE 3.0 and later.
Header: Tapi.h.

See Also

lineInitializeEx | lineGetMessage

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