MailQuery Constructor (String)

Initializes a new instance of the MailQuery class.

Namespace:  Aspose.Email.Tools.Search
Assembly:  Aspose.Email (in Aspose.Email.dll) Version: 21.3
Syntax
public MailQuery(
	string queryString
)

Parameters

queryString
Type: SystemString
The query string.
Remarks
The query string should have the following view.

The example of a simple expression:

'<Field name>' <Comparison operator> '<Field value>',

where <Field Name> - the name of a message field through which filtering is made, <Comparison operator> - comparison operators, as their name implies, allow to compare message field and specified value, <Field value> - value to be compared with a message field.

The number of simple expressions can make a compound one, ex.: (<Simple expression 1> & <Simple expression 2>) | <Simple expression 3>,

where "&" - logical-AND operator, "|" - logical-OR operator

At present the following values are allowed as a field name (<Field name>):

"To" - represents a TO field of message, "Text" - represents string in the header or body of the message, "Bcc" - represents a BCC field of message, "Body" - represents a string in the body of message, "Cc" - represents a CC field of message, "From" - represents a From field of message, "Subject" - represents a string in the subject of message, "InternalDate" - represents an internal date of message, "SentDate" - represents a sent date of message

Additionally, the following field names are allowed for IMAP-protocol:

"Answered" - represents an /Answered flag of message "Seen" - represents a /Seen flag of message "Flagged" - represents a /Flagged flag of message "Draft" - represents a /Draft flag of message "Deleted" - represents a Deleted/ flag of message "Recent" - represents a Deleted/ flag of message "MessageSize" - represents a size (in bytes) of message

Additionally, the following field names are allowed for Exchange:

"IsRead" - Indicates whether the message has been read "HasAttachment" - Indicates whether or not the message has attachments "IsSubmitted" - Indicates whether the message has been submitted to the Outbox "ContentClass" - represents a content class of item

Additionally, the following field names are allowed for pst/ost files:

"MessageClass" - Represents a message class "ContainerClass" - Represents a folder container class "Importance" - Represents a message importance "MessageSize" - represents a size (in bytes) of message "FolderName" - represents a folder name "ContentsCount" - represents a total number of items in the folder "UnreadContentsCount" - represents the number of unread items in the folder. "Subfolders" - Indicates whether or not the folder has subfolders "Read" - the message is marked as having been read "HasAttachment" - the message has at least one attachment "Unsent" - the message is still being composed "Unmodified" - the message has not been modified since it was first saved (if unsent) or it was delivered (if sent) "FromMe" - the user receiving the message was also the user who sent the message "Resend" - the message includes a request for a resend operation with a non-delivery report "NotifyRead" - the user who sent the message has requested notification when a recipient first reads it "NotifyUnread" - the user who sent the message has requested notification when a recipient deletes it before reading or the Message object expires "EverRead" - the message has been read at least once

The field value (<Field value>) can take the following values: For text fields - any string, For date type fields - the string of "d-MMM-yyy" format, ex. "10-Feb-2009", For flags (fields of boolean type) - either "True", or "False"

Examples
MailQuery mailQuery = new MailQuery("(('From' Contains 'test@test.com' | 'Seen' = 'True') & 'SentDate' >= '12-May-2010')");
See Also