# GetU4Item
### int GetU4Item(int lMsgId, uint\[] pnValue)
수신한 SECS메시지의 U4(Unsigned Integer 4 Byte) Item을 읽음.
반환값은 U4 Item의 Size를 의미함.
Parameters
| | |
|---|
| Name | Type | Description |
| lMsgId | int | 수신한 Message의 ID |
| pnValue | uint[] | U4 Item을 저장할uint 배열 |
```csharp
int nCount = m_gem.GetNextItemCount(lMsgId);
uint[] vData = new uint[nCount];
m_gem.GetU4Item(lMsgId, vData);
```
---
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