---
title: "Combiner..::.Opacity Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Transforms_Combiner_Opacity.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/)

# Combiner.Opacity Property 
 
Gets/sets a total opacity of the source bitmap during combining.
 
**Namespace:** [Aurigma.GraphicsMill.Transforms](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Transforms.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public Property Opacity As Single
```
 
```csharp
public float Opacity { get; set; }
```
 
### Property Value
A number in range [0, 1] specifying total opacity of the image. If 0, image is completely transparent, if 1, image is completely opaque.
 
## Remarks
  
If [CombineMode](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Transforms_Combiner_CombineMode.htm.md) is [Copy](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_CombineMode.htm.md), this property is ignored.
 
Default value is 1.
   
## See Also

### Reference

- [Combiner Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Combiner.htm.md)
- [Aurigma.GraphicsMill.Transforms Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Transforms.htm.md)