The left click of the mouse has different capabilities depending on the current operating mode to which PTC ALD is set:

Left and right mouse clicks are also set to invoke particular macros, depending on the current operating mode, the number of clicks and the nature of the click, i.e. left or right. The default settings for mouse click actions are contained in the PTC ALD system file scontext.3ad. It is possible to change these settings . Although the specific details of this process falls outside the scope of this document, the preferences can be set via the tclick macro.