Show the full path to the file in Visual Studio Status bar, when you click on any tab.
Hide 'Properties-window' when user select\open the 'code-type' document, and show it back when user select\open the 'design-type' document. Also you can bind 'Properties window' manually when current active document is 'code-type', but when you activate the 'design-type' document and then activate 'code-type' document back - 'Properties-window'will be disabled again.
Assembly (Major, Minor, Build, Revision) versions autoincrement. This function triggers after successfully project build.