Add a Microsoft Office Visio UML diagram to a Visual Studio solution
- In Visual Studio, in the Solution Explorer, select a solution.
- On the Project menu, click Add New Item.
- In the Add New Solution Item dialog box, click Visio Files, and then click UML.
- Under Templates, click a UML diagram, and then click Open.
Visio launches, and the new UML diagram file opens for editing.
Open an existing Visio UML diagram from Visual Studio
- In Visual Studio, select a solution in the Solution Explorer.
- On the Project menu, click Add Existing Item.
- In the Add Existing Solution Item dialog box, select the UML diagram you want, and then click Open.
Visio launches with the selected file open for editing.