IncrementalSearch::IncrementalSearchModeOn Property

Sub testIS()
    ' Set variables for text pane.
    Dim tp As EnvDTE80.TextPane2
    tp = CType(DTE.ActiveDocument.ActiveWindow.Object.ActivePane, _
    TextPane2)
    ' Start an incremental search forward from
    ' the current insertion point in the document.
    tp.IncrementalSearch.StartForward()
    ' Add the character "a" to the search pattern.
    tp.IncrementalSearch.AppendCharAndSearch(Asc("a"))
    ' Display the status of the search mode.
    'MsgBox("ISearch status: " & _
    tp.IncrementalSearch.IncrementalSearchModeOn.ToString)
    ' Perform incremental search using the pattern ("a").
    tp.IncrementalSearch.SearchWithLastPattern()
    ' After the search, exit incremental search mode.
    tp.IncrementalSearch.Exit()
End Sub