nativeEvent函数捕获不到WM_NCHITTEST消息

[flcnrqt]

nativeEvent函数捕获不到WM_NCHITTEST消息

bool CWidget::nativeEvent(const QByteArray &eventType, void *message, long *result)
{

qDebug()<<"eventType"<<eventType;
if (eventType == "windows_generic_MSG")
{
    MSG *param = static_cast<MSG *>(message);
    qDebug()<<"message"<<param->message;
    qDebug()<<"messageLow"<<LOWORD (param->message);
    qDebug()<<"messageHi"<<HIWORD (param->message);

    switch (param->message)
    {
    qDebug()<<"message in"<<param->message;
    case WM_NCHITTEST:
    {
    }

}