The Synchronize with Designer action selects the node in the Project Explorer corresponding to the selected item in the Designer window, allowing easy location of items and a quick way to orient yourself in the project configuration hierarchy.
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For example, double-click on Customers / Orders / container1 / view1 node.
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The properties page for the view will open in the Designer window.
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In the Project Explorer, switch to the User Controls tab, and highlight Welcome user control.
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Click on the Synchronize button on the Project Explorer, the Sync action on the Designer action bar, or press “Ctrl+.” keyboard shortcut (“Control” key pressed simultaneously with “period” key).
The Project Explorer will switch to the Controllers tab, and highlight the view1 node that was open in the Designer window.
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The Sync action is also available on the context menu in the lists of project configuration elements.
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Clicking on the Sync action will select the relevant node in the Project Explorer.
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Focus can be switched between Designer window and Project Explorer tree by pressing “F4” keyboard shortcut.