IDTSExpressionEvaluator100.IsBooleanExpression 方法
此 API 支持 SQL Server 2012 基础结构，但不能通过代码直接使用。
Indicates that the expression is a boolean expression.
命名空间： Microsoft.SqlServer.Dts.Runtime.Wrapper
程序集： Microsoft.SqlServer.DTSRuntimeWrap（在 Microsoft.SqlServer.DTSRuntimeWrap.dll 中）
语法
声明
Sub IsBooleanExpression ( _
pVariableDispenser As IDTSVariableDispenser100, _
<OutAttribute> ByRef pvbIsBoolean As Boolean _
)
用法
Dim instance As IDTSExpressionEvaluator100
Dim pVariableDispenser As IDTSVariableDispenser100
Dim pvbIsBoolean As Boolean
instance.IsBooleanExpression(pVariableDispenser, _
pvbIsBoolean)
void IsBooleanExpression(
IDTSVariableDispenser100 pVariableDispenser,
out bool pvbIsBoolean
)
void IsBooleanExpression(
[InAttribute] IDTSVariableDispenser100^ pVariableDispenser,
[OutAttribute] bool% pvbIsBoolean
)
abstract IsBooleanExpression :
pVariableDispenser:IDTSVariableDispenser100 *
pvbIsBoolean:bool byref -> unit
function IsBooleanExpression(
pVariableDispenser : IDTSVariableDispenser100,
pvbIsBoolean : boolean
)
参数
- pVariableDispenser
类型：Microsoft.SqlServer.Dts.Runtime.Wrapper.IDTSVariableDispenser100
The object for locking variables.
- pvbIsBoolean
类型：System.Boolean%
true to indicate that the expression is Boolean; otherwise, false.