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The TcCloseInterface function closes an interface previously opened with a call to TcOpenInterface. All flows and filters on a particular interface should be closed before closing the interface with a call to TcCloseInterface.
Syntax
ULONG TcCloseInterface(
[in] HANDLE IfcHandle
);
Parameters
[in] IfcHandle
Handle associated with the interface to be closed. This handle is obtained by a previous call to the TcOpenInterface function.
Return value
| Return code | Description |
|---|---|
|
The function executed without errors. |
|
The interface handle is invalid. |
|
Not all flows have been deleted for this interface. |
Remarks
Regardless of whether TcCloseInterface is called, an interface will be closed following a TC_NOTIFY_IFC_CLOSE notification event. If the TcCloseInterface function is called with the handle of an interface that has already been closed, the handle will be invalidated and TcCloseInterface will return ERROR_INVALID_HANDLE.
Note Use of
TcCloseInterface requires administrative privilege.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | traffic.h |
| Library | Traffic.lib |
| DLL | Traffic.dll |