public int QueryPinInfo(out PinInfo pInfo)
{
pInfo = new PinInfo();
if (m_pUnknown == IntPtr.Zero) return E_NOINTERFACE;
QueryPinInfoProc _Proc = GetProcDelegate<QueryPinInfoProc>(8);
if (_Proc == null) return E_UNEXPECTED;
return (HRESULT)_Proc(
m_pUnknown,
out pInfo
);
}
/// <summary>
/// Free the nested interfaces within a PinInfo struct.
/// </summary>
public static void FreePinInfo(PinInfo pinInfo)
{
if (pinInfo.filter != null)
{
Marshal.ReleaseComObject(pinInfo.filter);
pinInfo.filter = null;
}
}