SpecialVarFieldDefinition 클래스

보고서의 특수 필드에 대한 정보를 검색하는 속성을 제공합니다.

이 형식의 멤버 목록을 보려면 SpecialVarFieldDefinition 멤버를 참조하십시오.

System.Object
   CrystalDecisions.CrystalReports.Engine.EngineObjectBase
      CrystalDecisions.CrystalReports.Engine.FieldDefinition
         SpecialVarFieldDefinition

[Visual Basic]

Public Class SpecialVarFieldDefinition
   Inherits FieldDefinition
   Implements IDisposable

[C#]

public class SpecialVarFieldDefinition : FieldDefinition, IDisposable

설명

FieldObject 개체의 DataSource 속성을 사용하여 FieldDefinition 개체를 검색하고 FieldDefinition 개체를 SpecialVarFieldDefinition 개체로 캐스팅합니다.

예제

다음 예제는 SpecialVarFieldDefinition 개체를 반환합니다.

[VJ#]

      private SpecialVarFieldDefinition getSpecialField
         (String reportObjectName) 
      {
         FieldObject field;
         SpecialVarFieldDefinition specialField = null;
      
         try
         {
            field = (FieldObject)Report.get_ReportDefinition()
               .get_ReportObjects().get_Item( reportObjectName );
            specialField = 
               (SpecialVarFieldDefinition)field.get_DataSource();
         }
         catch (Exception e)
         {
         }
         return specialField;
      }
      

[Visual Basic]

      Private Function GetSpecialField _
         (ByVal reportObjectName As String) As SpecialVarFieldDefinition
         Dim field As FieldObject
         Dim specialField As SpecialVarFieldDefinition
      
         If TypeOf _
            (Report.ReportDefinition.ReportObjects. _ 
            Item(reportObjectName)) Is FieldObject Then
            field = Report.ReportDefinition.ReportObjects. _
               Item(reportObjectName)
      
            If TypeOf (field.DataSource) _ 
               Is SpecialVarFieldDefinition Then
               specialField = field.DataSource
               GetSpecialField = specialField
            Else : GetSpecialField = Nothing
            End If
         Else : Return Nothing
         End If
      End Function
      

[C#]

      private SpecialVarFieldDefinition GetSpecialField
         (string reportObjectName) 
      {
         FieldObject field;
         SpecialVarFieldDefinition specialField;
      
         field = 
            Report.ReportDefinition.ReportObjects[reportObjectName]
            as FieldObject;
         if (field != null)
         {
            specialField = field.DataSource as 
               SpecialVarFieldDefinition;
            if(specialField != null) return specialField;
            else return null;
         }
         else return null;
      }
      

요구 사항

네임스페이스 CrystalDecisions.CrystalReports.Engine

어셈블리 CrystalDecisions.CrystalReports.Engine (CrystalDecisions.CrystalReports.Engine.dll)

참고 항목

SpecialVarFieldDefinition 멤버 | CrystalDecisions.CrystalReports.Engine 네임스페이스

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