Method Create

Create(string, long, Func<long, Memory<byte>, CancellationToken, ValueTask<int>>, string?)

Creates a source whose reads call the specified function.

Declaration

public static UploadSource Create(string fileName, long length, Func<long, Memory<byte>, CancellationToken, ValueTask<int>> readAsync, string? contentType = null)

Parameters

Type	Name	Description
string	fileName	The name of the file, which the service receives.
long	length	The length of the content in bytes.
Func<long, Memory<byte>, CancellationToken, ValueTask<int>>	readAsync	A function that reads bytes of the content from an offset into a buffer and returns how many it read, as ReadAsync(long, Memory<byte>, CancellationToken) does.
string	contentType	The content type of the file, such as image/png, which the service receives. Default is null, which sends none.

Returns

Type	Description
UploadSource

Exceptions

Type	Condition
ArgumentException	fileName is empty.
ArgumentOutOfRangeException	length is negative.