---
title: "RectangleController..::.Update Method "
canonical: https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_WinControls_RectangleController_Update.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/)

# RectangleController.Update Method 
 
This method is called with a [BitmapViewer](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_BitmapViewer.htm.md) when it needs to be repainted or updated in any other way.
 
**Namespace:** [Aurigma.GraphicsMill.WinControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WinControls (in Aurigma.GraphicsMill.WinControls.dll)
 
## Syntax
  
```
Public Overrides Sub Update
```
 
```csharp
public override void Update()
```
 
### Implements
 
[IUserInputController.Update()](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_WinControls_IUserInputController_Update.htm.md)
 
## Remarks
 You can use this method to force rectangle update.
   
## See Also

### Reference

- [RectangleController Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_RectangleController.htm.md)
- [Aurigma.GraphicsMill.WinControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)