MessageSet VB.NET WinRT Reference Documentation

MessageSet

Current Version: 9.5.0.75

Represents a collection of email message sequence numbers or UIDs on an IMAP server.

Object Creation

Dim obj As New Chilkat.MessageSet()

Properties

Count
Count As Integer (ReadOnly)

The number of message UIDs (or sequence numbers) in this message set.

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HasUids
HasUids As Boolean

If True then the message set contains UIDs, otherwise it contains sequence numbers.

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LastMethodSuccess
LastMethodSuccess As Boolean

Indicate whether the last method call succeeded or failed. A value of True indicates success, a value of False indicates failure. This property is automatically set for method calls. It is not modified by property accesses. The property is automatically set to indicate success for the following types of method calls:

  • Any method that returns a string.
  • Any method returning a Chilkat object, binary bytes, or a date/time.
  • Any method returning a standard boolean status value where success = True and failure = False.
  • Any method returning an integer where failure is defined by a return value less than zero.

Note: Methods that do not fit the above requirements will always set this property equal to True. For example, a method that returns no value (such as a "void" in C++) will technically always succeed.

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Methods

ContainsId
Function ContainsId(ByVal msgId As Integer) As Boolean

Returns True if the msgId is contained in the message set.

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FromCompactString
Function FromCompactString(ByVal str As String) As Boolean

Loads the message set from a compact-string representation. Here are some examples:

Non-Compact String

Compact String

1,2,3,4,5

1:5

1,2,3,4,5,8,9,10

1:5,8:10

1,3,4,5,8,9,10

1,3:5,8:10

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GetId
Function GetId(ByVal index As Integer) As Integer

Returns the message ID of the Nth message in the set. (indexing begins at 0). Returns -1 if the index is out of range.

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InsertId
Sub InsertId(ByVal id As Integer)

Inserts a message ID into the set. If the ID already exists, a duplicate is not inserted.

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RemoveId
Sub RemoveId(ByVal id As Integer)

Removes a message ID from the set.

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ToCommaSeparatedStr
Function ToCommaSeparatedStr() As String

Returns a string of comma-separated message IDs. (This is the non-compact string format.)

Returns Nothing on failure

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ToCompactString
Function ToCompactString() As String

Returns the set of message IDs represented as a compact string. Here are some examples:

Non-Compact String

Compact String

1,2,3,4,5

1:5

1,2,3,4,5,8,9,10

1:5,8:10

1,3,4,5,8,9,10

1,3:5,8:10

Returns Nothing on failure

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