Expanding One Level
To expand a node one level, click the 
button for the node. Alternatively, you can press the <Enter> key.
When you click either the Plus button or Minus button 
, you only need to click it ONCE. Clicking twice will leave you right where you started.
Collapsing a Node
To collapse an expanded node, click the button or press the <Enter> key.
When you click either the Plus button or Minus button , you only need to click it ONCE. Clicking twice will leave you right where you started.
Expanding a Branch
To expand a branch, select Node 
Expand Branch from the Main Menu or select Expand Branch from the right mouse button menu. Please note that for very large branches, this operation can take some time to complete.
Expanding the Entire Hierarchy
To expand the entire hierarchy, select Node Expand All from the Main Menu or select Expand All from the right mouse button menu. Please note that for large hierarchies, this operation can take some time to complete.
