ApiInformation.IsTypePresent(String) 方法

定义

命名空间:

Windows.Foundation.Metadata

返回 true 或 false 以指示是否存在指定类型。

public:
 static bool IsTypePresent(Platform::String ^ typeName);

 static bool IsTypePresent(winrt::hstring const& typeName);

public static bool IsTypePresent(string typeName);

function isTypePresent(typeName)

Public Shared Function IsTypePresent (typeName As String) As Boolean

参数

typeName

String

Platform::String

winrt::hstring

类型的命名空间限定名称。

返回

Boolean

bool

如果存在指定的类型，则为 True;否则为 false。

示例

if (Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.System.AppDiagnosticInfo"))
{
    Debug.WriteLine("Windows.System.AppDiagnosticInfo type was found");
}
else
{
    Debug.WriteLine("Windows.System.AppDiagnosticInfo type was NOT found");
}