qt检测U盘 windows平台下

//作者的博客http://insharecgc.sinaapp.com/?p=157
#ifndef WIDGET_H
#define WIDGET_H
#include <QtGui/QWidget>
#include <dbt.h>
#include <windows.h>
#include <QString>
class Widget : public QWidget
{
Q_OBJECT
public:
Widget(QWidget *parent = 0);
~Widget();
protected:
bool winEvent(MSG *msg, long *result);
private:
UsbConfig usbConfig;
char FirstDriveFromMask (ULONG unitmask);
};
#endif // WIDGET_H


#include "widget.h"
#include <QDebug>
Widget::Widget(QWidget *parent)
: QWidget(parent)
{
}
Widget::~Widget()
{