func FindWindowEx(hWndParent win.HWND, hWndChildAfter win.HWND, lpClassName, lpWindowName *uint16) win.HWND {
	ret, _, _ := findWindowEx.Call(
		uintptr(hWndParent),
		uintptr(hWndChildAfter),
		uintptr(unsafe.Pointer(lpClassName)),
		uintptr(unsafe.Pointer(lpWindowName)),
	)
	return win.HWND(ret)
}
FindWindowEx user32 API FindWindowEx
package winapi
import (
	"unsafe"
	"github.com/lxn/win"
	"golang.org/x/sys/windows"
)
const (
	BM_SETDONTCLICK = 0x00F8
)
var (
	libuser32     = windows.NewLazySystemDLL("user32.dll")
	findWindowEx  = libuser32.NewProc("FindWindowExW")
	getNextWindow = libuser32.NewProc("GetNextWindow ")
	flashWindow   = libuser32.NewProc("FlashWindow")
)