// wwan.h

typedef struct _WWAN_SMS_FILTER {
  WWAN_SMS_FLAG Flag;
  ULONG         MessageIndex;
} WWAN_SMS_FILTER, *PWWAN_SMS_FILTER;
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Windows Driver Kit DDI reference (ns-wwan-_wwan_sms_filter)

_WWAN_SMS_FILTER structure

Description

The WWAN_SMS_FILTER structure represents the filter to apply to SMS messages on the MB device.

Members

`Flag`

A value from the WWAN_SMS_FLAG enumeration that represents what filter to use to display SMS messages for.

`MessageIndex`

A value between 1 and ulMaxMessageIndex that is an index into the device's message store.

This value in this member is valid only if Flag is set to WwanSmsFlagIndex. The MB Service sets this member if Flag is set to WwanSmsFlagIndex. For all flags other than WwanSmsFlagIndex, the MB Service sets this index to WWAN_MESSAGE_INDEX_NONE.

Remarks

When Flag is WwanSmsFlagIndex, the filter identifies the SMS message specified by MessageIndex .

WWAN_SMS_FILTER - NtDoc