---
title: "MultiLayerViewerInvalidationTarget..::.InvalidateDesigner Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_WinControls_MultiLayerViewerInvalidationTarget_InvalidateDesigner.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/)

# MultiLayerViewerInvalidationTarget.InvalidateDesigner Property 
 
Gets a value indicating if only a designer is invalidated.
 
**Namespace:** [Aurigma.GraphicsMill.WinControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WinControls.VectorObjects (in Aurigma.GraphicsMill.WinControls.VectorObjects.dll)
 
## Syntax
  
```
Public ReadOnly Property InvalidateDesigner As Boolean
```
 
```csharp
public bool InvalidateDesigner { get; }
```
 
### Property Value
A value indicating if only a designer is invalidated.
 
## Remarks
  
If this property is set to **true**, the layers will not be re-rendered, instead, the cache will be used.
   
## See Also

### Reference

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