ItemMetadata.GetUInt64Field Method
When overridden in a derived class, gets the value of the specified custom field.
Namespace: Microsoft.Synchronization.MetadataStorage
Assembly: Microsoft.Synchronization.MetadataStorage (in Microsoft.Synchronization.MetadataStorage.dll)
Syntax
'Declaration
Public MustOverride Function GetUInt64Field ( _
fieldName As String _
) As Nullable(Of ULong)
'Usage
Dim instance As ItemMetadata
Dim fieldName As String
Dim returnValue As Nullable(Of ULong)
returnValue = instance.GetUInt64Field(fieldName)
public abstract Nullable<ulong> GetUInt64Field(
string fieldName
)
public:
virtual Nullable<unsigned long long> GetUInt64Field(
String^ fieldName
) abstract
abstract GetUInt64Field :
fieldName:string -> Nullable<uint64>
public abstract function GetUInt64Field(
fieldName : String
) : Nullable<ulong>
Parameters
- fieldName
Type: System.String
The name of the custom field.
Return Value
Type: System.Nullable<UInt64>
The value of the specified custom field. Returns a null reference (Nothing in Visual Basic) when the field value has not been set.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | fieldName is a null reference (Nothing in Visual Basic). |
| ArgumentException | fieldName is 0 length. |
Remarks
Custom fields must be defined in a FieldSchema object when the replica metadata is first initialized.