如果你相信一件事，就去相信，不用等别人来告诉你行或者不行！早安！你不能改变过去，但你可以改变未来。早安！争气永远比生气漂亮。
本文实例讲述了Go语言MessageBox用法。分享给大家供大家参考。具体如下：
package main
import (
"syscall"
"unsafe"
"fmt"
)
func abort(funcname string, err int) {
panic(funcname + " failed: " + syscall.Errno(err).Error())
}
var (
kernel32, _ = syscall.LoadLibrary("kernel32.dll")
getModuleHandle, _ = syscall.GetProcAddress(kernel32, "GetModuleHandleW")
user32, _ = syscall.LoadLibrary("user32.dll")
messageBox, _ = syscall.GetProcAddress(user32, "MessageBoxW")
)
const (
MB_OK = 0x00000000
MB_OKCANCEL = 0x00000001
MB_ABORTRETRYIGNORE = 0x00000002
MB_YESNOCANCEL = 0x00000003
MB_YESNO = 0x00000004
MB_RETRYCANCEL = 0x00000005
MB_CANCELTRYCONTINUE = 0x00000006
MB_ICONHAND = 0x00000010
MB_ICONQUESTION = 0x00000020
MB_ICONEXCLAMATION = 0x00000030
MB_ICONASTERISK = 0x00000040
MB_USERICON = 0x00000080
MB_ICONWARNING = MB_ICONEXCLAMATION
MB_ICONERROR = MB_ICONHAND
MB_ICONINFORMATION = MB_ICONASTERISK
MB_ICONSTOP = MB_ICONHAND
MB_DEFBUTTON1 = 0x00000000
MB_DEFBUTTON2 = 0x00000100
MB_DEFBUTTON3 = 0x00000200
MB_DEFBUTTON4 = 0x00000300
)
func MessageBox(caption, text string, style uintptr) (result int) {
// var hwnd HWND
ret, _, callErr := syscall.Syscall6(uintptr(messageBox), 4,
0, // HWND
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(text))), // Text
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(caption))), // Caption
style, // type
0,
0)
if callErr != 0 {
abort("Call MessageBox", int(callErr))
}
result = int(ret)
return
}
func main() {
defer syscall.FreeLibrary(kernel32)
defer syscall.FreeLibrary(user32)
fmt.Printf("Retern: %d\n", MessageBox("Done Title", "This test is Done.", MB_YESNOCANCEL))
}
func init() {
fmt.Print("Starting Up\n")
}
希望本文所述对大家的Go语言程序设计有所帮助。
以上就是Go语言MessageBox用法实例。人生便是一只风筝，只有发奋向上飞的那只，才能成为天之骄子。更多关于Go语言MessageBox用法实例请关注haodaima.com其它相关文章！