A bit relevant, but for HTML tags: (since there is no built-in solution, Ctrl + J doesn't work for HTML tags : )
Here is the answer as a macro which I've built which does it (toggle), including go to focus:
Here is the demo:
And here is the code. Enjoy!
Imports System
Imports EnvDTE
Imports EnvDTE80
Imports EnvDTE90
Imports EnvDTE90a
Imports EnvDTE100
Imports System.Diagnostics
Imports System.Windows.Forms
Public Module Module2
Sub beginToEnd()
'Place the cursor somewhere in the beginning tag, run the macro, to select from beginning to end tag
DTE.ActiveDocument.Selection.SelectLine()
Dim objSel As TextSelection = DTE.ActiveDocument.Selection
Dim topPoint As TextPoint = objSel.TopPoint
Dim lTopLine As Long = topPoint.Line
objSel.GotoLine(lTopLine, False)
' DTE.ActiveDocument.Selection.StartOfLine()
DTE.ActiveDocument.Selection.SelectLine()
Dim line1 As String = DTE.ActiveDocument.Selection.Text()
If InStr(line1, "/") Then
' MsgBox(line1)
DTE.ExecuteCommand("Edit.ToggleOutliningExpansion")
DTE.ActiveDocument.Selection.EndOfLine()
DTE.ActiveDocument.Selection.StartOfLine(vsStartOfLineOptions.vsStartOfLineOptionsFirstText, True)
objSel.GotoLine(lTopLine, False)
DTE.ExecuteCommand("Edit.ToggleOutliningExpansion")
DTE.ExecuteCommand("Edit.ToggleOutliningExpansion")
Else
DTE.ExecuteCommand("Edit.ToggleOutliningExpansion")
DTE.ActiveDocument.Selection.EndOfLine(False)
DTE.ExecuteCommand("Edit.ToggleOutliningExpansion")
End If
DTE.ActiveDocument.Selection.SelectLine()
Dim line2 As String = DTE.ActiveDocument.Selection.Text()
Dim objSel3 As TextSelection = DTE.ActiveDocument.Selection
Dim topPoint3 As TextPoint = objSel3.TopPoint
Dim lTopLine3 As Long = topPoint3.Line
objSel.GotoLine(lTopLine3, False)
DTE.ActiveDocument.Selection.StartOfLine(vsStartOfLineOptions.vsStartOfLineOptionsFirstText, False)
End Sub
End Module