# AddDVID

#### int AddDVID(int DVID, string strName, string strFormat)

EZGemPlus에 DVID를 등록하는 함수.

Parameters

<table data-header-hidden><thead><tr><th width="118" valign="top"></th><th width="131" valign="top"></th><th valign="top"></th></tr></thead><tbody><tr><td valign="top">Name</td><td valign="top">Type</td><td valign="top">Description</td></tr><tr><td valign="top">DVID</td><td valign="top">int</td><td valign="top">등록하려는 DVID</td></tr><tr><td valign="top">strName</td><td valign="top">string</td><td valign="top">등록하려는 DVID의 Name (DVNAME)</td></tr><tr><td valign="top">strFormat</td><td valign="top">string</td><td valign="top">등록하려는 DVVALUE의 format</td></tr></tbody></table>

```csharp
m_gem.AddDVID(3010, "TEST_DVID", "A");
```

다음은SVID와 DVID의 차이점입니다.

<table data-header-hidden><thead><tr><th width="157"></th><th width="262"></th><th></th></tr></thead><tbody><tr><td><strong>구분</strong></td><td><strong>SVID (Status Variable)</strong></td><td><strong>DVID (Data Variable)</strong></td></tr><tr><td>의미</td><td>장비의 현재 상태 정보</td><td>특정 이벤트 발생 시의 부가 정보</td></tr><tr><td>데이터 시점</td><td>요청 시점의 실시간 값</td><td>이벤트가 발생한 그 순간의 스냅샷 값</td></tr><tr><td>주요 활용</td><td>호스트의 주기적인 상태 모니터링 (Polling)</td><td>특정 동작(Process Start 등)의 결과 보고</td></tr><tr><td>관련 메시지</td><td>S1F3 / S1F4 (Status Request)</td><td>S6F11 / S6F13 (Event Report)</td></tr><tr><td>값의 유효성</td><td>항상 유효한 값을 유지함</td><td>연관된 이벤트가 발생할 때만 의미가 있음</td></tr><tr><td>예시 데이터</td><td>챔버 온도, 가스 유량, 장비 State 등</td><td>Lot ID, Slot Map, Wafer ID, 결과 코드 등</td></tr></tbody></table>


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