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ApiInformation.IsApiContractPresent Method

Definition

Namespace:: Windows.Foundation.Metadata

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.

Overloads

Name	Description
IsApiContractPresent(String, UInt16)	Returns true or false to indicate whether the API contract with the specified name and major version number is present.
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)

Edit

Returns true or false to indicate whether the API contract with the specified name and major version number is present.

public:
 static bool IsApiContractPresent(Platform::String ^ contractName, unsigned short majorVersion);

/// [Windows.Foundation.Metadata.Overload("IsApiContractPresentByMajor")]
 static bool IsApiContractPresent(winrt::hstring const& contractName, uint16_t const& majorVersion);

[Windows.Foundation.Metadata.Overload("IsApiContractPresentByMajor")]
public static bool IsApiContractPresent(string contractName, ushort majorVersion);

function isApiContractPresent(contractName, majorVersion)

Public Shared Function IsApiContractPresent (contractName As String, majorVersion As UShort) As Boolean

Parameters

contractName: String
Platform::String

winrt::hstring

The name of the API contract.

majorVersion: UInt16
unsigned short

uint16_t

The major version number of the API contract.

Returns

Boolean

bool

True if the specified API contract is present; otherwise, false.

Attributes: OverloadAttribute

Examples

if (Windows.Foundation.Metadata.ApiInformation.IsApiContractPresent("Windows.ApplicationModel.Calls.CallsVoipContract", 1))
{
 Debug.WriteLine("Windows.ApplicationModel.Calls.CallsVoipContract v1.x found");
}
else
{
 Debug.WriteLine("Windows.ApplicationModel.Calls.CallsVoipContract v1.x NOT found");
}

Remarks

For details on finding and using API contracts, see Programming with extension SDKs.

Applies to

IsApiContractPresent(String, UInt16, UInt16)