SPFarm.GetPersistedFeatureDefinition method (Guid, Int32, Boolean)
會傳回指定的compatibilityLevel和featureId值**[T:HYPERLINK"https://msdn2.microsoft.com/EN-US/library/ms472446"\t"_blank"Microsoft.SharePoint.Administration.SPFeatureDefinition]物件。如果fallback參數值為true而指定的compatibilityLevel和featureId值找不到相符項目，此方法將嘗試傳回[T:HYPERLINK"https://msdn2.microsoft.com/EN-US/library/ms472446"\t"_blank"Microsoft.SharePoint.Administration.SPFeatureDefinition]物件具有較低的compatibilityLevel值。如果使用找不到相對應的[T:HYPERLINK"https://msdn2.microsoft.com/EN-US/library/ms472446"\t"_blank"Microsoft.SharePoint.Administration.SPFeatureDefinition]**物件使用指定的compatibilityLevel或較早的 (後援) 指定的featureId組建版本，傳回a null reference (Nothing in Visual Basic) 。
Namespace: Microsoft.SharePoint.Administration
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Syntax
'宣告
Public Function GetPersistedFeatureDefinition ( _
featureId As Guid, _
compatibilityLevel As Integer, _
fallback As Boolean _
) As SPFeatureDefinition
'用途
Dim instance As SPFarm
Dim featureId As Guid
Dim compatibilityLevel As Integer
Dim fallback As Boolean
Dim returnValue As SPFeatureDefinition
returnValue = instance.GetPersistedFeatureDefinition(featureId, _
compatibilityLevel, fallback)
public SPFeatureDefinition GetPersistedFeatureDefinition(
Guid featureId,
int compatibilityLevel,
bool fallback
)
參數
featureId
Type: System.Guid識別此功能將Guid物件。
compatibilityLevel
Type: System.Int32整數，代表 (例如，14 或 15) 的功能相容性層級。
fallback
Type: System.Boolean布林值，指定是否要改為較舊的相容性層級如果找不到此功能。
傳回值
Type: Microsoft.SharePoint.Administration.SPFeatureDefinition
[T:HYPERLINK"https://msdn2.microsoft.com/EN-US/library/ms472446"\t"_blank"Microsoft.SharePoint.Administration.SPFeatureDefinition] 物件，代表關聯的 GUID 與指定的相容性層級物件 (或如果fallback設為true舊版的相容性層級)。
Exceptions
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | 指定的compatibilityLevel值為大於主要組建版本或小於特定功能的最小的相容性層級。 |