#include 
    
     #include 
     
      #include 
      
       int main(void){//	LPCTSTR lpszDevice = "\\\\.\\PhysicalDrive1";	LPCTSTR lpszDevice = "\\\\.\\C:";	HANDLE hDevice = CreateFile(lpszDevice,GENERIC_READ,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);		if (!hDevice || (hDevice==(HANDLE)-1))	{		printf("Open Device error:%x\n",GetLastError());		return -1;	}	DWORD temp;	BOOL bRet = DeviceIoControl(hDevice,IOCTL_DISK_IS_WRITABLE,NULL,0,NULL,0,&temp,NULL);	if (!bRet)	{		printf("IOCTL_DISK_IS_WRITABLE Error code:%x\n",GetLastError());	}	const int SECTOR_SIZE = 512;	UCHAR buffer[SECTOR_SIZE];	ReadFile(hDevice,buffer,SECTOR_SIZE,&temp,NULL);	CloseHandle(hDevice);	return 0; }