⑴ 在 API的编程中包含了#include <sysmets.h>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 window frame width"),
SM_CYFIXEDFRAME,TEXT ("SM_CYFIXEDFRAME"), TEXT ("Dialog window frame height"),
SM_CYVTHUMB, TEXT ("SM_CYVTHUMB"), TEXT ("Vertical scroll thumb height"),
SM_CXHTHUMB, TEXT ("SM_CXHTHUMB"), TEXT ("Horizontal scroll thumb width"),
SM_CXICON, TEXT ("SM_CXICON"), TEXT ("Icon width"),
SM_CYICON, TEXT ("SM_CYICON"), TEXT ("Icon height"),
SM_CXCURSOR, TEXT ("SM_CXCURSOR"), TEXT ("Cursor width"),
SM_CYCURSOR, TEXT ("SM_CYCURSOR"), TEXT ("Cursor height"),
SM_CYMENU, TEXT ("SM_CYMENU"), TEXT ("Menu bar height"),
SM_CXFULLSCREEN,TEXT ("SM_CXFULLSCREEN"), TEXT ("Full screen client area width"),
SM_CYFULLSCREEN,TEXT ("SM_CYFULLSCREEN"), TEXT ("Full screen client area height"),
SM_CYKANJIWINDOW,TEXT ("SM_CYKANJIWINDOW"), TEXT ("Kanji window height"),
SM_MOUSEPRESENT, TEXT ("SM_MOUSEPRESENT"), TEXT ("Mouse present flag"),
SM_CYVSCROLL, TEXT ("SM_CYVSCROLL"), TEXT ("Vertical scroll arrow height"),
SM_CXHSCROLL, TEXT ("SM_CXHSCROLL"), TEXT ("Horizontal scroll arrow width"),
SM_DEBUG, TEXT ("SM_DEBUG"), TEXT ("Debug version flag"),
SM_CXSMICON, TEXT ("SM_CXSMICON"), TEXT ("Small icon width"),
SM_CYSMICON, TEXT ("SM_CYSMICON"), TEXT ("Small icon height"),
SM_CYSMCAPTION, TEXT ("SM_CYSMCAPTION"), TEXT ("Small caption height"),
SM_CXSMSIZE, TEXT ("SM_CXSMSIZE"), TEXT ("Small caption button width"),
SM_CYSMSIZE, TEXT ("SM_CYSMSIZE"), TEXT ("Small caption button height"),
SM_CXMENUSIZE, TEXT ("SM_CXMENUSIZE"), TEXT ("Menu bar button width"),
SM_CYMENUSIZE, TEXT ("SM_CYMENUSIZE"), TEXT ("Menu bar button height"),
SM_ARRANGE, TEXT ("SM_ARRANGE"), TEXT ("How minimized windows arranged"),
SM_CXMINIMIZED, TEXT ("SM_CXMINIMIZED"), TEXT ("Minimized window width"),
SM_CYMINIMIZED, TEXT ("SM_CYMINIMIZED"), TEXT ("Minimized window height"),
SM_CXMAXTRACK, TEXT ("SM_CXMAXTRACK"), TEXT ("Maximum draggable width"),
SM_CYMAXTRACK, TEXT ("SM_CYMAXTRACK"), TEXT ("Maximum draggable height"),
SM_CXMAXIMIZED, TEXT ("SM_CXMAXIMIZED"), TEXT ("Width of maximized window"),
SM_CYMAXIMIZED, TEXT ("SM_CYMAXIMIZED"), TEXT ("Height of maximized window"),
SM_NETWORK, TEXT ("SM_NETWORK"), TEXT ("Network present flag"),
SM_CLEANBOOT, TEXT ("SM_CLEANBOOT"), TEXT ("How system was booted"),
SM_CXDRAG, TEXT ("SM_CXDRAG"), TEXT ("Avoid drag x tolerance"),
SM_CYDRAG, TEXT ("SM_CYDRAG"), TEXT ("Avoid drag y tolerance"),
SM_SHOWSOUNDS, TEXT ("SM_SHOWSOUNDS"), TEXT ("Present sounds visually"),
SM_CXMENUCHECK, TEXT ("SM_CXMENUCHECK"), TEXT ("Menu check-mark width"),
SM_CYMENUCHECK, TEXT ("SM_CYMENUCHECK"), TEXT ("Menu check-mark height"),
SM_SLOWMACHINE, TEXT ("SM_SLOWMACHINE"), TEXT ("Slow processor flag"),
SM_MIDEASTENABLED, TEXT ("SM_MIDEASTENABLED"), TEXT ("Hebrew and Arabic enabled flag"),
SM_MOUSEWHEELPRESENT,TEXT ("SM_MOUSEWHEELPRESENT"), TEXT ("Mouse wheel present flag"),
SM_XVIRTUALSCREEN, TEXT ("SM_XVIRTUALSCREEN"), TEXT ("Virtual screen x origin"),
SM_YVIRTUALSCREEN, TEXT ("SM_YVIRTUALSCREEN"), TEXT ("Virtual screen y origin"),
SM_CXVIRTUALSCREEN, TEXT ("SM_CXVIRTUALSCREEN"), TEXT ("Virtual screen width"),
SM_CYVIRTUALSCREEN, TEXT ("SM_CYVIRTUALSCREEN"), TEXT ("Virtual screen height"),
SM_CMONITORS, TEXT ("SM_CMONITORS"), TEXT ("Number of monitors"),
SM_SAMEDISPLAYFORMAT, TEXT ("SM_SAMEDISPLAYFORMAT"), TEXT ("Same color format flag")
};