HasHeader

Search messages that have a header with the specified field-name and that contains the specified string in the text of the header (what comes after the colon). If the string to search is zero-length, this matches all messages that have a header line with the specified field-name regardless of the contents.

Returns: MailQuery that represents search query (one searching criteria).

HasHeader(System::String fieldName, System::String fieldValue)

Parameter	Description
fieldName	Name of the field.
fieldValue	The field value.

Aspose::Email::Clients::Imap::ImapQueryBuilder::HasFlags method Aspose::Email::Clients::Imap::ImapQueryBuilder::HasNoFlags method