github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/osext/winsvc/example/beep.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package main
     6  
     7  import (
     8  	"syscall"
     9  )
    10  
    11  // BUG(brainman): MessageBeep Windows api is broken on Windows 7,
    12  // so this example does not beep when runs as service on Windows 7.
    13  
    14  var (
    15  	beepFunc = syscall.MustLoadDLL("user32.dll").MustFindProc("MessageBeep")
    16  )
    17  
    18  func beep() {
    19  	beepFunc.Call(0xffffffff)
    20  }