By clicking the plus sign, the user opens up the limb to the sub nodes. Below the tree is opened all the way to the instance node by clicking on each plus sign.

2. Tree View Menu

The All button  will select and check all the elements in the tree.

The None button  will unselect and uncheck all the elements in the tree.

The Invert button  will switch the tree check boxes from checked to unchecked and unchecked to checked.

The Expand button  will open the whole tree.

The Collapse button  will collapse the whole tree to the top nodes.

By checking the Show Parameters box , a form containing the parameters and values will appear when the user selects an instance.

Here is an example of the Parameters form

By checking the Zoom to Instance box , the program will zoom to the instance when it is selected in the tree.

3. Tree View

The Tree View area is where the elements of the project or active view are displayed

By clicking the plus sign, the user opens up the limb to the sub nodes. Below the tree is opened all the way to the instance node by clicking on each plus sign.

By clicking on the instance, a bottom panel will open with some basic information.

By right clicking on the instance, the user has a pop up menu

The user can create a similar instance or can delete the instance. The only way to exit the menu without doing anything is to hit Cancel.

As the user checks the boxes beside an instance, it is being added to a selection set.