SPTokenExpressionBuilder.EvaluateExpression method

評估在 SharePoint 語彙基元運算式建立幫手] 標籤中指定的運算式 (例如，< %$SPTokens: 運算式 %>)。

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

Syntax

'宣告
Public Overrides Function EvaluateExpression ( _
    target As Object, _
    entry As BoundPropertyEntry, _
    parsedData As Object, _
    context As ExpressionBuilderContext _
) As Object
'用途
Dim instance As SPTokenExpressionBuilder
Dim target As Object
Dim entry As BoundPropertyEntry
Dim parsedData As Object
Dim context As ExpressionBuilderContext
Dim returnValue As Object

returnValue = instance.EvaluateExpression(target, _
    entry, parsedData, context)

public override Object EvaluateExpression(
    Object target,
    BoundPropertyEntry entry,
    Object parsedData,
    ExpressionBuilderContext context
)

參數

• target
  Type: System.Object

  包含運算式的物件。

• entry
  Type: System.Web.UI.BoundPropertyEntry

  表示由運算式繫結至屬性的相關資訊的物件。

• parsedData
  Type: System.Object

  傳回ParseExpression物件，包含剖析資料。

• context
  Type: System.Web.Compilation.ExpressionBuilderContext

  運算式評估的內容資訊。

傳回值

Type: System.Object
如果繼承者不實作EvaluateExpression表示評估的運算式，否則a null reference (Nothing in Visual Basic)的物件。

請參閱

參照

SPTokenExpressionBuilder class

SPTokenExpressionBuilder members

Microsoft.SharePoint namespace