# Setting the Chart3DZoomPolicy for ComponentOne Studio

1.        Select Add New Item from the Visual Studio Project menu.  2.        Select Visual C# Items from the left pane of the Add New Item window.  3.        Next, select a ZoomPolicy you want to add from the middle pane      4.        Cl

## Content



1. Select **Add New Item** from the Visual Studio Project menu.

2. Select Visual C# Items from the left pane of the **Add New Item** window.

3. Next, select a **ZoomPolicy** you want to add from the middle pane

![list of zoom policies ](https://cdn.mescius.io/document-site-files/images/b72f799f-5669-44a4-8119-5f3343d59999/images/chart3dzoompolicy.png)

4. Click the **Add** button.

5. Add the C1Chart3D control to your form.

6. Build the project.

7. Add the **C1Zoom**, **C1ZoomPanel** or **C1ApplicationZoom** component to your form at design time.

8. Click the smart tag anchor of the component, and click **Edit ZoomPolicies...**.

9. Click the **Add Custom Policy** button in the **ZoomPolicy Collection Editor** window.

The C1Chart3DZoomPolicy is added to the Members list.

![add the zoom policy from the collection editor](https://cdn.mescius.io/document-site-files/images/b72f799f-5669-44a4-8119-5f3343d59999/images/addchart3dcustomzoompolicy.png)