Metodo ExpressionEvaluatorClass.IsBooleanExpression

Questa API supporta l'infrastruttura SQL Server 2012 e non può essere utilizzata direttamente dal codice.

Determines whether the expression is a Boolean expression.

Spazio dei nomi  Microsoft.SqlServer.Dts.Runtime.Wrapper
Assembly:  Microsoft.SqlServer.DTSRuntimeWrap (in Microsoft.SqlServer.DTSRuntimeWrap.dll)

Sintassi

'Dichiarazione
Public Overridable Sub IsBooleanExpression ( _
    pVariableDispenser As IDTSVariableDispenser100, _
    <OutAttribute> ByRef pvbIsBoolean As Boolean _
)
'Utilizzo
Dim instance As ExpressionEvaluatorClass 
Dim pVariableDispenser As IDTSVariableDispenser100 
Dim pvbIsBoolean As Boolean

instance.IsBooleanExpression(pVariableDispenser, _
    pvbIsBoolean)

public virtual void IsBooleanExpression(
    IDTSVariableDispenser100 pVariableDispenser,
    out bool pvbIsBoolean
)

public:
virtual void IsBooleanExpression(
    [InAttribute] IDTSVariableDispenser100^ pVariableDispenser, 
    [OutAttribute] bool% pvbIsBoolean
)

abstract IsBooleanExpression : 
        pVariableDispenser:IDTSVariableDispenser100 * 
        pvbIsBoolean:bool byref -> unit  
override IsBooleanExpression : 
        pVariableDispenser:IDTSVariableDispenser100 * 
        pvbIsBoolean:bool byref -> unit

public function IsBooleanExpression(
    pVariableDispenser : IDTSVariableDispenser100, 
    pvbIsBoolean : boolean
)

Parametri

• pVariableDispenser
  Tipo: Microsoft.SqlServer.Dts.Runtime.Wrapper.IDTSVariableDispenser100
  The object that is used to access the collection of variables.

• pvbIsBoolean
  Tipo: System.Boolean%
  When this method returns, contains a value that indicates whether the expression is a Boolean expression.

Implementa

IDTSExpressionEvaluator100.IsBooleanExpression(IDTSVariableDispenser100, Boolean%)

Vedere anche

Riferimento

ExpressionEvaluatorClass Classe

Spazio dei nomi Microsoft.SqlServer.Dts.Runtime.Wrapper