  | MimeReaderOnMultipartPreambleReadAsync Method | 
            Called when multipart preamble text is read from the stream.
            
Namespace: MimeKitAssembly: MimeKit (in MimeKit.dll) Version: 4.12.0
Syntaxprotected virtual Task OnMultipartPreambleReadAsync(
	byte[] buffer,
	int startIndex,
	int count,
	CancellationToken cancellationToken
)
Parameters
- buffer  Byte
 - A buffer containing the multipart preamble text.
 - startIndex  Int32
 - The index denoting the starting position of the content within the buffer.
 - count  Int32
 - The length of the content within the buffer, in bytes.
 - cancellationToken  CancellationToken
 - The cancellation token.
 
Return Value
TaskAn asynchronous task context.
RemarksCalled when multipart preamble text is read from the stream.
See Also