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!
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