IndexerOption Enum
Definition
Important
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Specifies whether the query should use the system index of the file system when enumerating content in the folder being queried. The indexer can retrieve results faster but is not available in all file locations.
public enum class IndexerOption/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
enum class IndexerOption[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
public enum IndexerOptionvar value = Windows.Storage.Search.IndexerOption.useIndexerWhenAvailablePublic Enum IndexerOption- Inheritance
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IndexerOption
- Attributes
Windows requirements
| Device family |
Windows 10 (introduced in 10.0.10240.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v1.0)
|
Fields
| Name | Value | Description |
|---|---|---|
| UseIndexerWhenAvailable | 0 | Use the system index for content that has been indexed and use the file system directly for content that has not been indexed. |
| OnlyUseIndexer | 1 | Use only indexed content and ignore content that has not been indexed. |
| DoNotUseIndexer | 2 | Access the file system directly; don't use the system index. |
| OnlyUseIndexerAndOptimizeForIndexedProperties | 3 | Only returns the properties specified in QueryOptions.SetPropertyPrefetch for faster results. |
Remarks
Version history
| Windows version | SDK version | Value added |
|---|---|---|
| 1709 | 16299 | OnlyUseIndexerAndOptimizeForIndexedProperties |