Length Property
Returns a Long that represents the number of objects in a specified collection.
expression.Length
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example inserts a MARQUEE element that contains the selected text. It uses the Length property to get the number of MARQUEE elements already in the document.
Sub InsertMarqueeWithSelectedText()
Dim objElement As IHTMLElement
Dim objRange As IHTMLTxtRange
Dim objMarquee As FPHTMLMarqueeElement
Dim lngCount As Long
Dim strID As String
lngCount = ActiveDocument.all.tags("marquee").Length
strID = "marquee" & lngCount + 1
Set objRange = ActiveDocument.selection.createRange
objRange.pasteHTML "<marquee id=""" & strID & """>" & _
objRange.Text & "</marquee>"
End Sub