Go语言MessageBox用法实例
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2022-05-14 20:59:57
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:
复制代码 代码如下:package main
import (
&nbs...
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:
复制代码 代码如下:
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")
}
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。
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