golang win32编程的一个dll坑
发布时间:2020-12-16 18:59:20 所属栏目:大数据 来源:网络整理
导读:例子 package mainimport ("github.com/lxn/win""strconv""syscall")func _TEXT(_str string) *uint16 {return syscall.StringToUTF16Ptr(_str)}func _toString(_n int32) string {return strconv.Itoa(int(_n))}func main() {var hwnd win.HWNDcxScreen :=
例子 package main import ( "github.com/lxn/win" "strconv" "syscall" ) func _TEXT(_str string) *uint16 { return syscall.StringToUTF16Ptr(_str) } func _toString(_n int32) string { return strconv.Itoa(int(_n)) } func main() { var hwnd win.HWND cxScreen := win.GetSystemMetrics(win.SM_CXSCREEN) cyScreen := win.GetSystemMetrics(win.SM_CYSCREEN) win.MessageBox(hwnd,_TEXT("屏幕长-:"+_toString(cxScreen)+"宽:"+_toString(cyScreen)),_TEXT(" 消息http://blog.csdn.net/songbohr"),win.MB_OK) } 唯一的就是有一个win这个go module里有一个坑,在phd.go 中 func init() { // Library libpdhDll = syscall.MustLoadDLL("pdh.dll") // Functions pdh_AddCounterW = libpdhDll.MustFindProc("PdhAddCounterW") pdh_AddEnglishCounterW = libpdhDll.MustFindProc("PdhAddEnglishCounterW") // XXX: only supported on versions > Vista. pdh_CloseQuery = libpdhDll.MustFindProc("PdhCloseQuery") pdh_CollectQueryData = libpdhDll.MustFindProc("PdhCollectQueryData") pdh_GetFormattedCounterValue = libpdhDll.MustFindProc("PdhGetFormattedCounterValue") pdh_GetFormattedCounterArrayW = libpdhDll.MustFindProc("PdhGetFormattedCounterArrayW") pdh_OpenQuery = libpdhDll.MustFindProc("PdhOpenQuery") pdh_ValidatePathW = libpdhDll.MustFindProc("PdhValidatePathW") } PdhAddEnglishCounterW这个api只在vista以上版本支持,所以如果在xp下运行,在载入时会因找不到该函数的地址崩溃,临时解决方案,暴力注释掉 //pdh_AddEnglishCounterW = libpdhDll.MustFindProc("PdhAddEnglishCounterW") // XXX: only supported on versions > Vista. 更丰富的例子:https://github.com/lxn/walk
初步感觉用go写win gui,是个没意思的事!
后记:刚才搜了下baidu,转载的都没注明出处。。。。oh,shit! (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |