XnStatus XnProperty::UnsafeUpdateValue(const void* pValue /* = NULL */)
{
XnStatus nRetVal = XN_STATUS_OK;
XnBool bValueChanged = TRUE;
if (IsActual())
{
if (IsEqual(m_pValueHolder, pValue))
{
bValueChanged = FALSE;
}
else
{
// update the value
nRetVal = CopyValueImpl(m_pValueHolder, pValue);
XN_IS_STATUS_OK(nRetVal);
}
}
if (bValueChanged)
{
// print a message
if (m_LogSeverity != -1)
{
XnChar strValue[XN_DEVICE_MAX_STRING_LENGTH];
XnBool bValueString = FALSE;
if (IsActual())
{
bValueString = ConvertValueToString(strValue, pValue);
}
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Property %s.%s was changed%s%s.", GetModule(), GetName(),
bValueString ? " to " : "", bValueString ? strValue : "");
}
// raise the event
nRetVal = m_OnChangeEvent.Raise(this);
XN_IS_STATUS_OK(nRetVal);
}
return XN_STATUS_OK;
}
XnStatus XnProperty::SetValue(const void* pValue)
{
if (m_pSetCallback == NULL)
{
XN_LOG_WARNING_RETURN(XN_STATUS_DEVICE_PROPERTY_READ_ONLY, XN_MASK_DDK, "Property %s.%s is read only.", GetModule(), GetName());
}
if (m_LogSeverity != -1)
{
XnChar strValue[XN_DEVICE_MAX_STRING_LENGTH];
XnBool bValueString = FALSE;
if (ConvertValueToString(strValue, pValue))
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Setting %s.%s to %s...", GetModule(), GetName(), strValue);
}
else
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Setting %s.%s...", GetModule(), GetName());
}
}
XnBool bShouldSet = TRUE;
if (!m_bAlwaysSet && IsActual() && IsEqual(m_pValueHolder, pValue))
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "%s.%s value did not change.", GetModule(), GetName());
}
else
{
XnStatus nRetVal = CallSetCallback(m_pSetCallback, pValue, m_pSetCallbackCookie);
if (nRetVal != XN_STATUS_OK)
{
if (m_LogSeverity != -1)
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Failed setting %s.%s: %s", GetModule(), GetName(), xnGetStatusString(nRetVal));
}
return (nRetVal);
}
else
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "%s.%s was successfully set.", GetModule(), GetName());
}
}
return (XN_STATUS_OK);
}
void SDrawStaticStruct::Update()
{
if(IsActual() && m_static->IsShown())
m_static->Update();
}