このような利用可能なオーディオデバイスのリストを取得しようとすると。
LyncClient client = LyncClient.GetClient();
foreach (Device dev in client.DeviceManager.AudioDevices)
{
//Do something
}
エラーが発生しますException has been thrown by the target of an invocation.
"Unable to cast COM object of type 'System.__ComObject' to interface type
'Microsoft.Office.Uc.IAudioDevice2'. This operation failed because the QueryInterface
call on the COM component for the interface with IID '{86B3E5FE-4635-4C1E-
A725-C80B71D04984}' failed due to the following error: No such interface supported
(Exception from HRESULT: 0x80004002 (E_NOINTERFACE))."
ここにスタックトレースがあります
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
at Microsoft.Lync.Model.Internal.UCWCache.CreateUCW(Object source, CCOMInfo ccomInfo)
at Microsoft.Lync.Model.Internal.UCWCache.GetITTargetNS(Object source)
at Microsoft.Lync.Model.Internal.UCEnumerator`2.get_Current()
at Microsoft.Lync.Model.Internal.UCEnumerator`2.System.Collections.Generic.IEnumerator<S>.get_Current()
そして、内部の例外スタック トレース
at Microsoft.Lync.Model.Device.AudioDevice.INTERNAL_Init(IAudioDevice initInterface)
at Microsoft.Lync.Model.Device.AudioDevice.INTERNAL_Init_Object(Object initInterface)