# Tools and Features

## Keyboard Shortcuts <a href="#design-shortcuts" id="design-shortcuts"></a>

You can view the Hotkey Reference in the App by pressing `Ctrl` + `/` .

* `Esc` - Cancel, Reset View (Deselects all items and focuses on the component)
* `Ctrl` + `Z` - Undo
* `Ctrl` + `Y` - Redo
* `Ctrl` + `.` - Focus on the selected item
* `Ctrl` + `9` - Toggle reference lines
* `Spacebar` - Select the next truss in the list
* `Ctrl` + `A` - Upgrade and analyze
* `Ctrl` + `Q` - Quick insert
  * `C` : Component
  * `M`: Member
  * `B`: Bearing
  * `P`: Plate Pair
  * `S`: Splice
  * `R`: Reference Line
  * `D`: Dimension
  * `A`: Scab/Brace
  * `G`: Gusset
* `Delete` - Delete selected item

## Multi-Select

Some elements in Paragon Design support multi-select. Use `Ctrl`+ `Click and Drag`to begin selection. Holding down `Ctrl` will display the `Selection Window` which allows you to modify what is selectable in the scene.

<figure><img src="/files/lQP8DRs8JDSCkKt5lRcn" alt=""><figcaption></figcaption></figure>

### Delete Multiple Component Designs

You can multi-select by using `Ctrl + Select` in the `Explorer Subpanel` to select multiple designs and delete them.

<figure><img src="/files/PRNpRaoIm9fWOBaui9Jh" alt=""><figcaption></figcaption></figure>

## Live Plating

When you click and drag a plate to reposition it, it will be analyzed for grip on each member it touches in real-time as you move it.

<figure><img src="/files/gAgTN9gWKMdDWeFl7pFl" alt=""><figcaption></figcaption></figure>


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