代码示例

package main

import "syscall"

func GetSystemMetrics(nIndex int) int {
    ret, _, _ := syscall.NewLazyDLL(`User32.dll`).NewProc(`GetSystemMetrics`).Call(uintptr(nIndex))
    return int(ret)
}

func main() {
    println(`宽度：`)
    println(GetSystemMetrics(0))
    println(`高度：`)
    println(GetSystemMetrics(1))
}