Tutorial 10F.3 -Hot Keys - Handy & Necessary Keys
Be aware of the various HotKeys for use in HydrauliCAD 1. During construction of objects itself and 2. During setting of Styles, Scenarios and Queries.

Hot-Keys in HydrauliCAD:

In Display Styles:
Rules list control column and Value column, for properties like "Hydraulic Group" which have a list of items to select, holding SHIFT key and clicking in that column will show a list box

In Scenarios palette:
Rules list control, Value column, for properties like "Hydraulic Group" which have a list of items to select, holding SHIFT key and clicking in that column will show a list box.

In HydrauliCAD Quick Select:
Same as for above "Scenarios Palette" (directly above)

In QuickBuild:
1. Splitting Pipes: if CONTROL key is pressed upon clicking on a pipe, the Hydraulic Snap will not attract the nearest node, and does not snap to nodes. Then it tries to split the pipe into 2 pieces and connect placing a junction which ties it correctly to the network.

2a. Copy Existing Object "On the Fly"
If SHIFT Key is held down while clicking on an element, it takes that element as a temporary template, so the next placed element will be the same as that template.

Note: Some AutoCADs by default use Shift for temporary "On the Fly ORTHO Mode".
To use this feature in these versions. This Key needs to be reset in AutoCAD
See file directly below "Hotkeys - Re-setting Shift Key in AutoCAD"

2b. "Use Last" Feature: QuickBuild, after placing the "next" element following Copy Existing Object "On the Fly" , will then revert back to its default template - UNLESS: "Last Element" is selected in the Template Dropdown ComboBox before placing the next node.

When "Last Element" is selected, it will remain the template for that object type for the current session.

In QuickBuild, always be aware of:

1. Hydraulic Snap must be on to connect correctly to Network.

2. Hydraulic Snap, when close to a Node, tries to connect to the node, use the above described "Split a Pipe using CONTROL" Key to allow it to split into a pipe.

3. AutoCAD Osnap requires awareness of the user that it can interfere with placement of Hydraulic Objects when Connecting Back Into Network. Short Practice will show you how to use the combination of snaps to your best advantage, and best use will soon become automatic to you.

These 2 snaps are critical for placement and the user must be aware of the correct purpose and use of both snaps.
Used incorrectly, they will often conflict and not produce the desired result.
In Display Styles or Label Styles:
In Tree of Elements which is titled "Elements To Change" , Shift key and Control key function is the same as in other trees in Windows: Having SHIFT key pressed highlights from last selected item in tree to the new item, and having Control key pressed highlights new items as well as items already highlighted.