37 lines
710 B
Go
37 lines
710 B
Go
package windows
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import (
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"os"
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"syscall"
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"unsafe"
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)
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const (
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NULL = 0
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MB_OK = 0
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)
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func Fatal(title, message string, exitCode int) {
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messageBox(NULL, message, title, MB_OK)
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os.Exit(exitCode)
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}
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// MessageBox of Win32 API.
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func messageBox(hwnd uintptr, caption, title string, flags uint) int {
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_caption, err := syscall.UTF16PtrFromString(caption)
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if err != nil {
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panic(err)
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}
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_title, err := syscall.UTF16PtrFromString(title)
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if err != nil {
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panic(err)
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}
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ret, _, _ := syscall.NewLazyDLL("user32.dll").NewProc("MessageBoxW").Call(
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uintptr(hwnd),
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uintptr(unsafe.Pointer(_caption)),
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uintptr(unsafe.Pointer(_title)),
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uintptr(flags))
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return int(ret)
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}
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