---
title: "CanvasClientSideOptions..::.CallbackOnVObjectChanged Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_VectorObjects_CanvasClientSideOptions_CallbackOnVObjectChanged.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/)

# CanvasClientSideOptions.CallbackOnVObjectChanged Property 
 
Gets or sets a value which turns callback for the [CurrentVObjectChanged](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_AjaxControls_VectorObjects_Canvas_CurrentVObjectChanged.htm.md) event on.
 
**Namespace:** [Aurigma.GraphicsMill.AjaxControls.VectorObjects](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls_VectorObjects.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls.VectorObjects (in Aurigma.GraphicsMill.AjaxControls.VectorObjects.dll)
 
## Syntax
  
```
Public Property CallbackOnVObjectChanged As Boolean
```
 
```csharp
public bool CallbackOnVObjectChanged { get; set; }
```
 
### Property Value
 
The [Boolean](http://msdn2.microsoft.com/en-us/a28wyd50) value which turns callback for the [CurrentVObjectChanged](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_AjaxControls_VectorObjects_Canvas_CurrentVObjectChanged.htm.md) event on.
   
## See Also

### Reference

- [CanvasClientSideOptions Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_VectorObjects_CanvasClientSideOptions.htm.md)
- [Aurigma.GraphicsMill.AjaxControls.VectorObjects Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls_VectorObjects.htm.md)