phoneGetData
The
phoneGetData function uploads the information from the specified location in the open
phone device to the specified buffer.
LONG phoneGetData(
HPHONE hPhone,
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DWORD dwDataID,
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LPVOID lpData,
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DWORD dwSize
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);
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Parameters
hPhone
A handle to the open phone device.
dwDataID
Where in the phone device the buffer is to be uploaded from.
lpData
A pointer to the memory buffer where the data is to be uploaded.
dwSize
The size of the data buffer in bytes.
Return Values
Returns zero if the request is successful or a negative error number if an
error has occurred. Possible return values are:
PHONEERR_INVALPHONEHANDLE, PHONEERR_NOMEM, PHONEERR_INVALPOINTER,
PHONEERR_RESOURCEUNAVAIL, PHONEERR_INVALPHONESTATE, PHONEERR_OPERATIONFAILED,
PHONEERR_INVALDATAID, PHONEERR_UNINITIALIZED, PHONEERR_OPERATIONUNAVAIL.
Remarks
The function uploads a maximum of
dwSize bytes from the phone device into the memory area pointed to by
lpData. If
dwSize is zero, nothing is copied. The size of each data area is listed in the
phone's device capabilities.
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