ApiInformation Class

Definition

Namespace:

Windows.Foundation.Metadata

Enables you to detect whether a specified member, type, or API contract is present so that you can safely make API calls across a variety of devices.

public ref class ApiInformation abstract sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class ApiInformation final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public static class ApiInformation

Public Class ApiInformation

Inheritance

Object Platform::Object IInspectable ApiInformation

Attributes

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.FoundationContract (introduced in v1.0)

Methods

IsApiContractPresent(String, UInt16, UInt16)	Returns true or false to indicate whether the API contract with the specified name and major and minor version number is present.
IsApiContractPresent(String, UInt16)	Returns true or false to indicate whether the API contract with the specified name and major version number is present.
IsEnumNamedValuePresent(String, String)	Returns true or false to indicate whether a specified named constant is present for a specified enumeration.
IsEventPresent(String, String)	Returns true or false to indicate whether a specified event is present for a specified type.
IsMethodPresent(String, String, UInt32)	Returns true or false to indicate whether a specified method overload with the specified number of input parameters is present for a specified type.
IsMethodPresent(String, String)	Returns true or false to indicate whether a specified method is present for a specified type.
IsPropertyPresent(String, String)	Returns true or false to indicate whether a specified property (writeable or read-only) is present for a specified type.
IsReadOnlyPropertyPresent(String, String)	Returns true or false to indicate whether a specified read-only property is present for a specified type.
IsTypePresent(String)	Returns true or false to indicate whether a specified type is present.
IsWriteablePropertyPresent(String, String)	Returns true or false to indicate whether a specified writeable property is present for a specified type.

See also

• Version adaptive code
• Version adaptive code sample