---
title: "BitmapViewer..::.WorkspaceBackColor1 Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_WinControls_BitmapViewer_WorkspaceBackColor1.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/)

# BitmapViewer.WorkspaceBackColor1 Property 
 
Gets/sets the primary color of the bitmap background (the first color for the checkered background or a solid color background).
 
**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
  
```
<BrowsableAttribute(True)> _
Public Property WorkspaceBackColor1 As Color
```
 
```csharp
[BrowsableAttribute(true)]
public Color WorkspaceBackColor1 { get; set; }
```
 
### Property Value
The primary color of the bitmap background (the first color for the checkered background or a solid color background).
   
## See Also

### Reference

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