frameSpacing Property
Returns or sets a Variant that represents the amount of space between the frames in a FRAMESET element. Corresponds to the framespacing attribute.
expression.frameSpacing
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example sets the space between the frames in the active document to five pixels.
Dim objFrameSets As IHTMLElementCollection
Dim objFrameSet As FPHTMLFrameSetSite
Set objFrameSets = ActiveDocument.all.tags("frameset")
Set objFrameSet = objFrameSets.Item(0)
objFrameSet.frameSpacing = "5"