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ConnectionStatusHandler function

  • Artículo

Represents the function that will handle the ConnectionStatusChanged event which notifies the client of changes in the device’s network connection status.

Syntax

HRESULT ConnectionStatusHandler(
  _In_ IBasicDevice     *sender,
  _In_ ConnectionStatus arg
);

Parameters

  • sender [in]
    A reference to the event source.

  • arg [in]
    A ConnectionStatus enumeration value.

Return value

The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK

The function succeeded.

 

Remarks

To register this handler with the ConnectionStatusChanged event call the add_ConnectionStatusChanged method, and to unregister it call the remove_ConnectionStatusChanged method.

Requirements

Minimum supported client

 Windows Vista [desktop apps only]

Minimum supported server

 Windows Server 2008 [desktop apps only]

Header

 Mfidl.h

Library

 Mf.lib

DLL

 Mf.dll