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I am working on a client who is using vb .net and love regions. So to turn all the region off ctrl+M+M will only turn one off.

My Readify fellow give me a Macro which I think someone may have interest on:

Imports System
Imports EnvDTE
Imports EnvDTE80
Imports System.Diagnostics

Public Module Module1
    Sub ExpandAllRegions()
        Dim objSelection As TextSelection ' Our selection object
        DTE.SuppressUI = True ' Disable UI while we do this
        objSelection = DTE.ActiveDocument.Selection() ' Hook up to the ActiveDocument's selection
        objSelection.StartOfDocument() ' Shoot to the start of the document

        ' Loop through the document finding all instances of #region. This action has the side benefit
        ' of actually zooming us to the text in question when it is found and ALSO expanding it since it
        ' is an outline.
        Do While objSelection.FindText("#region", vsFindOptions.vsFindOptionsMatchInHiddenText)
            ' This next command would be what we would normally do *IF* the find operation didn't do it for us.
            'DTE.ExecuteCommand("Edit.ToggleOutliningExpansion")
        Loop
        objSelection.StartOfDocument() ' Shoot us back to the start of the document
        DTE.SuppressUI = False ' Reenable the UI
        objSelection = Nothing ' Release our object
    End Sub

    ' Collapses all regions in the current document
    Sub CollapseAllRegions()
        Dim objSelection As TextSelection ' Our selection object
        ExpandAllRegions() ' Force the expansion of all regions
        DTE.SuppressUI = True ' Disable UI while we do this
        objSelection = DTE.ActiveDocument.Selection() ' Hook up to the ActiveDocument's selection
        objSelection.EndOfDocument() ' Shoot to the end of the document
        ' Find the first occurence of #region from the end of the document to the start of the document. Note:
        ' Note: Once a #region is "collapsed" .FindText only sees it's "textual descriptor" unless
        ' vsFindOptions.vsFindOptionsMatchInHiddenText is specified. So when a #region "My Class" is collapsed,
        ' .FindText would subsequently see the text 'My Class' instead of '#region "My Class"' for the subsequent
        ' passes and skip any regions already collapsed.
        Do While (objSelection.FindText("#region", vsFindOptions.vsFindOptionsBackwards))
            DTE.ExecuteCommand("Edit.ToggleOutliningExpansion") ' Collapse this #region
            objSelection.EndOfDocument() ' Shoot back to the end of the document for
            ' another pass.
        Loop

        objSelection.StartOfDocument() ' All done, head back to the start of the doc
        DTE.SuppressUI = False ' Reenable the UI
        objSelection = Nothing ' Release our object
    End Sub

End Module
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