如何识别插入后变成“本地磁盘”的u盘？？求助

[veryhehe2011]

因为什么CF卡的缘故，致使插入的u盘都变成“本地磁盘”了，因我写的一个程序是从u盘中自动拷贝，所以我的这个程序在这种情况下无法实现这个功能了，请问哪位大侠可以帮我解决这个问题一下？？谢谢

[veryhehe2011]

help

[Yofoo]

BOOL	NUsb::GetDiskProp(HANDLE hDisk, _LogDiskInfo &Info)
{
	STORAGE_PROPERTY_QUERY		PropQuery;
	DWORD						dwRead;
	BOOL						bRetVal;
	int							nError;

	memset(&PropQuery, 0, sizeof(PropQuery));
	PropQuery.PropertyId = StorageDeviceProperty;
	PropQuery.QueryType = PropertyStandardQuery;
	Info.DevDescrip.Size = sizeof(Info.DevDescrip) + sizeof(Info.bzDevDescripEx);
	bRetVal = ::DeviceIoControl(hDisk, IOCTL_STORAGE_QUERY_PROPERTY, &PropQuery, sizeof(PropQuery),	
		&Info.DevDescrip, Info.DevDescrip.Size, &dwRead, NULL);
	if(bRetVal == FALSE)
	{
		nError = GetLastError();
		if(nError != ERROR_INVALID_FUNCTION)
            assert(0);
	}
	if(Info.DevDescrip.VendorIdOffset)
		strcpy(Info.szVendorId, (CHAR *)&Info.DevDescrip + Info.DevDescrip.VendorIdOffset);
	if(Info.DevDescrip.ProductIdOffset)
		strcpy(Info.szProductId, (CHAR *)&Info.DevDescrip + Info.DevDescrip.ProductIdOffset);
	if(Info.DevDescrip.ProductRevisionOffset)
		strcpy(Info.szProductRevision, (CHAR *)&Info.DevDescrip + Info.DevDescrip.ProductRevisionOffset);
	if(Info.DevDescrip.SerialNumberOffset)
		strcpy(Info.szSerialNumber, (CHAR *)&Info.DevDescrip + Info.DevDescrip.SerialNumberOffset);

	memset(&PropQuery, 0, sizeof(PropQuery));
	PropQuery.PropertyId = StorageAdapterProperty;
	PropQuery.QueryType = PropertyStandardQuery;
	Info.AdpDescrip.Size = sizeof(Info.AdpDescrip) + sizeof(Info.bzAdpDescripEx);
	bRetVal = ::DeviceIoControl(hDisk, IOCTL_STORAGE_QUERY_PROPERTY, &PropQuery, sizeof(PropQuery),	
		&Info.AdpDescrip, Info.AdpDescrip.Size, &dwRead, NULL);
	if(bRetVal == FALSE)
	{
		nError = GetLastError();
		if(nError != ERROR_INVALID_FUNCTION)
			assert(0);
	}

	memset(&PropQuery, 0, sizeof(PropQuery));
	PropQuery.PropertyId = StorageDeviceIdProperty;
	PropQuery.QueryType = PropertyStandardQuery;
	Info.DevIdDescrip.Size = sizeof(Info.DevIdDescrip) + sizeof(Info.bzDevIdDescripEx);
	Info.DevIdDescrip.NumberOfIdentifiers = sizeof(Info.bzDevIdDescripEx);
	bRetVal = ::DeviceIoControl(hDisk, IOCTL_STORAGE_QUERY_PROPERTY, &PropQuery, sizeof(PropQuery),	
		&Info.DevIdDescrip, Info.DevIdDescrip.Size, &dwRead, NULL);
	if(bRetVal == FALSE)
	{
		nError = GetLastError();
		if(nError != ERROR_NOT_SUPPORTED &&
			nError != ERROR_INVALID_PARAMETER &&
			nError != ERROR_INVALID_FUNCTION)
			assert(0);
	}

	return TRUE;
}

判断磁盘总线类型 BusTypeUsb

[veryhehe2011]

[Quote=引用 2 楼 的回复:]
C/C++ code


BOOL NUsb::GetDiskProp(HANDLE hDisk, _LogDiskInfo &Info)
{
STORAGE_PROPERTY_QUERY PropQuery;
DWORD dwRead;
BOOL ……
[/Quote]

i wanna say thank you