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CoreDb.OrderInfo 方法 (UInt32, String, Object, Object)

X#
Return information about index files and the orders in them.

命名空间:  XSharp
程序集:  XSharp.Core (在 XSharp.Core.dll 中) 版本:2.22 GA
语法
 STATIC METHOD OrderInfo(
	nOrdinal AS DWORD,
	cBagName AS STRING,
	oOrder AS Object,
	oValue AS Object
) AS LOGIC
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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.
oOrder
类型:Object
The name of the order about which you want to obtain information or a number representing its position in the order list.
oValue
类型:Object
If specified, this parameter is used to change the value of a setting.

返回值

类型:Boolean
TRUE 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。
参见