VoDb.OrderInfo 方法 (UInt32, String, Object, __Usual) | |
Return information about index files and the orders in them.
命名空间:
XSharp
程序集:
XSharp.RT (在 XSharp.RT.dll 中) 版本:2.22 GA
语法 STATIC METHOD OrderInfo(
nOrdinal AS DWORD,
cBagName AS STRING,
uOrder AS Object,
oValue REF USUAL
) AS LOGIC
public static bool OrderInfo(
uint nOrdinal,
string cBagName,
Object uOrder,
ref __Usual oValue
)
查看代码参数
- nOrdinal
- 类型:UInt32
Specifies the type of information. This must match the values in the DBOI_ defines - cBagName
- 类型:String
The name of an index file, including an optional drive and directory. - uOrder
- 类型:Object
- oValue
- 类型:__Usual
If specified, this parameter is used to change the value of a setting.
返回值
类型:
BooleanTRUE if successful; otherwise, FALSE.
备注
This function is like DbOrderInfo() but strongly typed.
这个函数,不会调用错误处理程序,因此如果失败,不会产生运行时错误消息或创建错误对象。
因此,检查返回值以确定函数是否成功是很重要的。
LastRddError 属性将包含关于发生的任何错误的必要信息。
提示: |
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The difference between VoDb.OrderInfo and CoreDb.OrderInfo is that VoDb.Info takes a USUAL parameter |
参见