# AddU2Item
#### int AddU2Item(int lMsgId, ushort\[] pnValue)
메시지 작성시 U2 데이터를 원하는 길이만큼 추가 해 주는 함수.
Parameters
| | |
|---|
| Name | Type | Description |
| lMsgId | int | 작성중인 메시지의 고유 ID |
| pnValue | ushort[] | 참조할 U2데이터의 배열값 |
```csharp
// 케이스 2: U2 배열 데이터 추가 (예: 각 유닛별 상태 코드 모음)
ushort[] uDataArray = new ushort[] { 1000, 2000, 3000, 4000 };
int nResult2 = m_gem.AddU2Item(lMsgId, uDataArray);
if (nResult2 == 0)
{
Console.WriteLine("U2 배열 아이템 추가 성공");
}
else
{
// 실패 시 반환 코드 확인
Console.WriteLine($"아이템 추가 실패. 반환 코드: {nResult2}");
}
```
---
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