ObjectExtensions.EmptyIfNull<T>(IEnumerable<T>) 方法

定義

命名空間:

Microsoft.VisualStudio.Utilities.Internal

組件:

Microsoft.VisualStudio.Utilities.Internal.dll

套件:

Microsoft.VisualStudio.Utilities.Internal v16.3.90

如果此列舉不是 Null，則傳回此列舉。 如果是 null，則傳回空列舉。

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Generic::IEnumerable<T> ^ EmptyIfNull(System::Collections::Generic::IEnumerable<T> ^ enumeration);

public static System.Collections.Generic.IEnumerable<T> EmptyIfNull<T> (this System.Collections.Generic.IEnumerable<T> enumeration);

static member EmptyIfNull : seq<'T> -> seq<'T>

<Extension()>
Public Function EmptyIfNull(Of T) (enumeration As IEnumerable(Of T)) As IEnumerable(Of T)

類型參數

T

值的型別

參數

enumeration

IEnumerable<T>

列舉型別

傳回

IEnumerable<T>

result