MapFeatureDescriptor Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Important
For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018.
A map is a collection of (key, value) pairs.
public ref class MapFeatureDescriptor sealed : ILearningModelFeatureDescriptor/// [Windows.Foundation.Metadata.ContractVersion(Windows.AI.MachineLearning.MachineLearningContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class MapFeatureDescriptor final : ILearningModelFeatureDescriptor[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.AI.MachineLearning.MachineLearningContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class MapFeatureDescriptor : ILearningModelFeatureDescriptorPublic NotInheritable Class MapFeatureDescriptor
Implements ILearningModelFeatureDescriptor- Inheritance
- Attributes
- Implements
Windows requirements
| Device family |
Windows 10, version 1809 (introduced in 10.0.17763.0)
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| API contract |
Windows.AI.MachineLearning.MachineLearningContract (introduced in v1.0)
|
Remarks
Windows Server
To use this API on Windows Server, you must use Windows Server 2019 with Desktop Experience.
Thread safety
This API is thread-safe.
Properties
| Description |
Important For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018. A description of what this feature is used for in the model. |
| IsRequired |
Important For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018. If true, you must bind a value to this feature before calling LearningModelSession.Evaluate. |
| KeyKind |
Important For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018. Map keys can be tensor kinds. |
| Kind |
Important For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018. The kind of feature; use this to know which derived class to use. |
| Name |
Important For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018. The name you use to bind values to this feature. |
| ValueDescriptor |
Important For the latest documentation about Windows Machine Learning, see What is Windows ML. That documentation describes APIs that are in the Microsoft.Windows.AI.MachineLearning namespace, which ships in the Windows App SDK. Those APIs supersede the ones documented here, which are in the Windows.AI.MachineLearning namespace, and were shipped in 2018. Map values can be feature kinds. |