package main

import (
	"syscall"
	"time"
	"unsafe"
)

func IntPtr(n int) uintptr {
	return uintptr(n)
}
func StrPtr(s string) uintptr {
	return uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(s)))
}

// ShowMessage windows下的另一种DLL方法调用
func ShowMessage(tittle, text string) {
	user32dll, _ := syscall.LoadLibrary("user32.dll")
	user32 := syscall.NewLazyDLL("user32.dll")
	MessageBoxW := user32.NewProc("MessageBoxW")
	MessageBoxW.Call(IntPtr(0), StrPtr(text), StrPtr(tittle), IntPtr(0))
	defer syscall.FreeLibrary(user32dll)
}

func main() {
	ShowMessage("修改配置失败", "失败原因: 需要管理员配置")
	time.Sleep(3 * time.Second)
}