'GetVolumeNameForVolumeMountPointA' : undeclared identifier,该怎么解决

GetVolumeNameForVolumeMountPointA : undeclared identifierTCHARvolname[0x200]GetVolumeNameForVolu

'GetVolumeNameForVolumeMountPointA' : undeclared identifier
TCHAR   volname   [0x200];
GetVolumeNameForVolumeMountPointA( "D:\\ ",   volname,   0x200);

错误提示:
'GetVolumeNameForVolumeMountPointA '   :   undeclared   identifier

要怎么做 'GetVolumeNameForVolumeMountPointA '   函数才能正确使用

谢了


[解决办法]
include Windows.h
[解决办法]
系统要Windows 2000 或以上
[解决办法]
#include <windows.h>

然后直接调用GetVolumeNameForVolumeMountPoint就行了,不必刻意去调用GetVolumeNameForVolumeMountPointA

系统会自动选择调用GetVolumeNameForVolumeMountPointA还是GetVolumeNameForVolumeMountPointW