在 API的编程中包含了#include <sysmets.h>这个头文件

sysmets.h 是什么文件啊 没见过

错误是说:没有这个头文件

// SysMets.h 头文件
#define NUMLINES ((int) (sizeof sysmetrics / sizeof sysmetrics [0]))
struct
{
int iIndex;
TCHAR * szLabel;
TCHAR * szDesc;
}
sysmetrics [] =
{
SM_CXSCREEN, TEXT ("SM_CXSCREEN"), TEXT ("Screen width in pixels"),
SM_CYSCREEN, TEXT ("SM_CYSCREEN"), TEXT ("Screen height in pixels"),
SM_CXVSCROLL, TEXT ("SM_CXVSCROLL"), TEXT ("Vertical scroll width"),
SM_CYHSCROLL, TEXT ("SM_CYHSCROLL"), TEXT ("Horizontal scroll height"),
SM_CYCAPTION, TEXT ("SM_CYCAPTION"), TEXT ("Caption bar height"),
SM_CXBORDER, TEXT ("SM_CXBORDER"), TEXT ("Window border width"),
SM_CYBORDER, TEXT ("SM_CYBORDER"), TEXT ("Window border height"),
SM_CXFIXEDFRAME,TEXT ("SM_CXFIXEDFRAME"), TEXT ("Dialog wind