After the shape is selected, its editing controls will appear on the canvas. The following are several common editing controls:
Resizing Control：
It usually consists of 8 control points, which can be dragged to adjust the size of the shape. Hold down the shift key when zooming to keep the aspect ratio of the shape unchanged, and hold down the command key to keep the center position of the shape unchanged.
Rotating Control：
Drag the rotation control point
to change the direction of the shape. The reference position control point (green, if it is not displayed, you can select it from the context menu to make it visible) can adjust the rotation reference point position (rotation center).
Quick Connection Control：
When the mouse moves above the shape, four arrows
will appear around the shape. Click the arrow to automatically create a connection from the shape to the arrow direction. If there is no connectable shape in this direction, a shape will be automatically created. Drag the arrow to manually create a connector.
Connection Control：
A variety of supports connection with other shapes, such as smart connectors, walls, arcs, Bessel lines, etc. The connection control contains two control points (red), which are located at the two endpoints of the shape. Drag these control points to connect with other shapes.