[NUI] use proper constructor of ArgumentNullException (#1708)
authorYeongJong Lee <cleanlyj@naver.com>
Mon, 22 Jun 2020 04:58:48 +0000 (13:58 +0900)
committerGitHub <noreply@github.com>
Mon, 22 Jun 2020 04:58:48 +0000 (13:58 +0900)
commit9c1b6f45279a786691591e72a99f1a26476e3c3a
tree60daaa596cb3557f1a61100abb2f3b6be3c26fc0
parent041539aeda62248aa04f8eb9b79b99c7526f2202
[NUI] use proper constructor of ArgumentNullException (#1708)

use `ArgumentNullException(string paramName, string message);`
instead of `ArgumentNullException(string paramName);`.
`ArgumentNullException(string message);` doesn't exist.

Also, fixes CA2208
src/Tizen.NUI.Components/Controls/DropDown.cs