---
title: "BaseViewer..::.navigator Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_navigator.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# BaseViewer.navigator Property 
 
Gets/sets the navigator control ID (i.e. value stored in the attribute **id** of the tag that inserts the control).
 
**Namespace:** [GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```
function get_navigator();
function set_navigator(value);
```
 
### Property Value
The value which contains an ID of the navigator control you need to attach.
 
## Remarks
  
The following navigator controls are available:
 
- **[ZoomInNavigator](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_ZoomInNavigator.htm.md)** left button clicks zoom the image in.
- **[ZoomOutNavigator](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_ZoomOutNavigator.htm.md)** left button clicks zoom the image out.
- **[ZoomRectangleNavigator](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_ZoomRectangleNavigator.htm.md)** user stretches the rectangle by mouse and when mouse button is released, it zooms selected rectangle in.
- **[PanNavigator](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_PanNavigator.htm.md)** when user presses the mouse button down and move the mouse, the image is panned until user releases the button.

This property corresponds to [BaseViewer.Navigator](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BaseViewer_Navigator.htm.md) server-side member.
   
## See Also

### Reference

- [BaseViewer Class](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_BaseViewer.htm.md)
- [GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)

### Manual

- [Using Navigators and Rubberbands (AJAX Controls)](https://www.graphicsmill.com/docs/gm5/AjaxControlsUsingNavigatorsandRubberbands.htm.md)