电气设计 > Adding Wires > Tip: Orthogonal and Nonorthogonal Sketching
  
Tip: Orthogonal and Nonorthogonal Sketching
Diagram lets you sketch wires and other items at any angle. By default, wires and other items sketched in Diagram appear in horizontal and vertical orientations only. To change this clear the Snap to XY axes option in the Environment dialog box.