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CollapseAll Macro for Visual Studio .NET

, 20 Sep 2002
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A simple macro to collapse all the project nodes in the Solution Explorer

Sample Image - CollapseAll.gif

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Visual Studio .NET has a cool feature that it will automatically synchronize the Solution Explorer with the open file. One problem though is that if you have a large number of projects, the number of branches can soon get out of control - you can't see the trees for all the branches, so to speak. This is a very simple macro that you can use to collapse all the project nodes in the Solution Explorer.

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Macro Code

    Sub CollapseAll()

        ' Get the the Solution Explorer tree
        Dim UIHSolutionExplorer As UIHierarchy
        UIHSolutionExplorer = DTE.Windows.Item( _

        ' Check if there is any open solution
        If (UIHSolutionExplorer.UIHierarchyItems.Count = 0) Then
            ' MsgBox("Nothing to collapse. You must have an open solution.")
        End If

        ' Get the top node (the name of the solution)
        Dim UIHSolutionRootNode As UIHierarchyItem
        UIHSolutionRootNode = UIHSolutionExplorer.UIHierarchyItems.Item(1)

        ' Collapse each project node
        Dim UIHItem As UIHierarchyItem
        For Each UIHItem In UIHSolutionRootNode.UIHierarchyItems
            UIHItem.UIHierarchyItems.Expanded = False

        ' Select the solution node, or else when you click 
        ' on the solution window
        ' scrollbar, it will synchronize the open document 
        ' with the tree and pop
        ' out the corresponding node which is probably not what you want.

    End Sub


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About the Author

Edwin Evans
Web Developer
United States United States
Edwin Evans lives with his wife and daughter in Santa Clara, California. He is the creator of HandyFind, a faster, friendlier way to find words in documents and Web pages. Edwin is also working to help create the technological Singularity by supporting the Singularity Institute for Artificial Intelligence.

Comments and Discussions

GeneralRe: Great Macro! PinmemberEdwin Evans6-Oct-02 6:25 
GeneralRe: Great Macro! PinmemberBooga23-Jan-03 3:41 
GeneralRe: Great Macro! PinmemberEdwin Evans21-Jun-05 12:00 
GeneralRe: Great Macro! PinmemberRandy8723-Jul-07 10:43 
Thanks, exactly what I needed.

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