ComputerNamePhysicalDnsHostname       = 5
	ComputerNamePhysicalDnsDomain         = 6
	ComputerNamePhysicalDnsFullyQualified = 7
	ComputerNameMax                       = 8
)

// For MessageBox()
const (
	MB_OK                   = 0x00000000
	MB_OKCANCEL             = 0x00000001
	MB_ABORTRETRYIGNORE     = 0x00000002
	MB_YESNOCANCEL          = 0x00000003
	MB_YESNO                = 0x00000004

//sys	GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId
//sys	GetShellWindow() (shellWindow HWND) = user32.GetShellWindow
//sys	MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW
//sys	ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx

	return
}

func IsWindowVisible(hwnd HWND) (isVisible bool) {
	r0, _, _ := syscall.Syscall(procIsWindowVisible.Addr(), 1, uintptr(hwnd), 0, 0)
	isVisible = r0 != 0
	return
}

func MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) {