Tutorial_3(en US)

If you want to add objects, you must open the toolbox:

Then you can directly point to the object item identified in the toolbox and drag it to the editor

Click an object to select it, or drag a frame in the editor to select multiple objects. Hold down the shift key to continue selecting objects.

Press the Delete key (or right-click menu) to delete the selected object.

(Required) Drag against the object to drag the selected object.