update clipmessage

user32.go

@@ -339,6 +339,20 @@ func CreateWindowEx(dwExStyle DWORD, lpClassName, lpWindowName string, dwStyle D
 	return HWND(r), nil
 }
 
+func DestoryWindow(hWnd HWND) (bool, error) {
+	user32, err := syscall.LoadLibrary("user32.dll")
+	if err != nil {
+		return false, errors.New("Can't Load User32 API")
+	}
+	defer syscall.FreeLibrary(user32)
+	dw, err := syscall.GetProcAddress(syscall.Handle(user32), "DestroyWindow")
+	if err != nil {
+		return false, errors.New("Can't Load DestroyWindow API")
+	}
+	r, _, _ := syscall.Syscall(dw, 1, uintptr(hWnd), 0, 0)
+	return r != 0, nil
+}
+
 func GetMessage(lpMsg *MSG, hWnd HWND, wMsgFilterMin, wMsgFilterMax DWORD) (DWORD, error) {
 	user32, err := syscall.LoadLibrary("user32.dll")
 	if err != nil {