Several commands are defined for use with the DiagramSurface control. You can send these commands to the DiagramSurface from whatever user interface you choose – menus, toolbars, keystrokes, etc. The built-in commands cover the following areas:

See the DiagramCommands class for the list of built-in commands. The DiagramSurface also responds to the built-in Delete, Undo, Redo and SelectAll commands.

To programatically send a command to a DiagramSurface, set the CommandTarget to the DiagramSurface control.

CopyAlignment commands on a toolbar
<ToolBar>
  <Button Command="ms:DiagramCommands.AlignLeft" CommandTarget="{Binding ElementName=ds}">Align Left</Button>
  <Button Command="ms:DiagramCommands.AlignCenter" CommandTarget="{Binding ElementName=ds}">Align Center</Button>
  <Button Command="ms:DiagramCommands.AlignRight" CommandTarget="{Binding ElementName=ds}">Align Right</Button>
  <Button Command="ms:DiagramCommands.AlignTop" CommandTarget="{Binding ElementName=ds}">Align Top</Button>
  <Button Command="ms:DiagramCommands.AlignMiddle" CommandTarget="{Binding ElementName=ds}">Align Middle</Button>
  <Button Command="ms:DiagramCommands.AlignBottom" CommandTarget="{Binding ElementName=ds}">Align Bottom</Button>
</ToolBar>

<ms:DiagramSurface Name="ds" />