R2000i2 config.pro option documentation for: INTF_IN_LAYER_ASM_DIALOGS            

intf_in_layer_asm_dialogs

yes, no

yesobrings up a dialog box to control the import of both layers and assemblies. you can choose from the list of layers and/or solids available in the file to select one or more for import.

noodoes not allow control of the import of layers and assemblies.