MemoryExtensions.ToLower Method

Definition

Namespace:

System

Assembly:

System.Memory.dll

Source:

MemoryExtensions.Globalization.cs

Copies the characters from the source span into the destination, converting each character to lowercase, using the casing rules of the specified culture.

public:
[System::Runtime::CompilerServices::Extension]
 static int ToLower(ReadOnlySpan<char> source, Span<char> destination, System::Globalization::CultureInfo ^ culture);

public static int ToLower (this ReadOnlySpan<char> source, Span<char> destination, System.Globalization.CultureInfo? culture);

static member ToLower : ReadOnlySpan<char> * Span<char> * System.Globalization.CultureInfo -> int

<Extension()>
Public Function ToLower (source As ReadOnlySpan(Of Char), destination As Span(Of Char), culture As CultureInfo) As Integer

Parameters

source

ReadOnlySpan<Char>

The source span.

destination

Span<Char>

The destination span which contains the transformed characters.

culture

CultureInfo

An object that supplies culture-specific casing rules.

Returns

Int32

The number of characters written into the destination span. If the destination is too small, returns -1.

Exceptions

InvalidOperationException

The source and destination buffers overlap.

Remarks

If culture is null, CultureInfo.CurrentCulture will be used.