---
title: "UserInputController Class"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_UserInputController.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/)

# UserInputController Class
 
This interface is implemented by all the controls which can manage user input (such as mouse events) of the [BitmapViewer](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_BitmapViewer.htm.md) control.
 
**Namespace:** [Aurigma.GraphicsMill.WebControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WebControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WebControls (in Aurigma.GraphicsMill.WebControls.dll)
 
## Syntax
  
```
Public MustInherit Class UserInputController _Inherits WebControl _Implements IUserInputController
```
 
```csharp
public abstract class UserInputController : WebControl, IUserInputController
```
 
## Remarks
  
When you create a custom navigator or rubberband, you can inherit your class from this one, and override its protected members. Note, this class is an abstract one, you cannot instantiate it directly.
 
## Inheritance Hierarchy
  
- [System.Object](http://msdn2.microsoft.com/en-us/e5kfa45b)
    - [System.Web.UI.Control](http://msdn2.microsoft.com/en-us/983zwx2h)
        - [System.Web.UI.WebControls.WebControl](http://msdn2.microsoft.com/en-us/k1x24e42)
            - Aurigma.GraphicsMill.WebControls.UserInputController
                - [Aurigma.GraphicsMill.WebControls.RectangleController](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_RectangleController.htm.md)
                - [Aurigma.GraphicsMill.WebControls.PanNavigator](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_PanNavigator.htm.md)
                - [Aurigma.GraphicsMill.WebControls.ZoomInNavigator](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_ZoomInNavigator.htm.md)
                - [Aurigma.GraphicsMill.WebControls.ZoomOutNavigator](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_ZoomOutNavigator.htm.md)
 
## Thread Safety
 Static members of this type are safe for multi-threaded operations. Instance members of this type are not safe for multi-threaded operations.
   
## See Also

### Reference

- [UserInputController Members](https://www.graphicsmill.com/docs/gm5/AllMembers_T_Aurigma_GraphicsMill_WebControls_UserInputController.htm.md)
- [Aurigma.GraphicsMill.WebControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WebControls.htm.md)