FWPM_CALLOUT_SUBSCRIPTION0 structure (fwpmtypes.h)

  • Article

The FWPM_CALLOUT_SUBSCRIPTION0 structure is used to subscribe for change notifications.

Syntax

typedef struct FWPM_CALLOUT_SUBSCRIPTION0_ {
  FWPM_CALLOUT_ENUM_TEMPLATE0 *enumTemplate;
  UINT32                      flags;
  GUID                        sessionKey;
} FWPM_CALLOUT_SUBSCRIPTION0;

Members

enumTemplate

A FWPM_CALLOUT_ENUM_TEMPLATE0 structure that is used to limit the subscription.

flags

The notification type(s) received by the subscription.

Value Meaning
FWPM_SUBSCRIPTION_FLAG_NOTIFY_ON_ADD
 Subscribe to callout add notifications.
FWPM_SUBSCRIPTION_FLAG_NOTIFY_ON_DELETE
 Subscribe to callout delete notifications.

sessionKey

Uniquely identifies this session.

Remarks

Notifications are only dispatched for callouts that match the template.

If the template is NULL, it matches all callouts.

FWPM_CALLOUT_SUBSCRIPTION0 is a specific implementation of FWPM_CALLOUT_SUBSCRIPTION. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Header fwpmtypes.h

See also

FWPM_CALLOUT_ENUM_TEMPLATE0

Windows Filtering Platform API Structures