Vc.Net获取当前计算机时间?解决办法

Vc.Net获取当前计算机时间?
麻烦给个代码,另外要不要引用头文件捏!

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DateTime::Now
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DateTime dt = DateTime::Now;
labTimer->Text = dt.ToString(L"yyyy-MM-dd HH:mm:ss");
------解决方案--------------------
非托管的可以用
#include <windows.h>

// SetFileToCurrentTime - sets last write time to current system time
// Return value - TRUE if successful, FALSE otherwise
// hFile - must be a valid file handle

BOOL SetFileToCurrentTime(HANDLE hFile)
{
FILETIME ft;
SYSTEMTIME st;
BOOL f;

GetSystemTime(&st); // gets current time
SystemTimeToFileTime(&st, &ft); // converts to file time format
f = SetFileTime(hFile, // sets last-write time for file
(LPFILETIME) NULL, (LPFILETIME) NULL, &ft);

return f;
}