---
title: "PerChannelBitmapTransform..::.ApplyTransform Method (Bitmap)"
canonical: https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Transforms_PerChannelBitmapTransform_ApplyTransform_1_fd4033ef.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/)

# PerChannelBitmapTransform.ApplyTransform Method (Bitmap)
 
Transforms given bitmap ("in-place").
 
**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 Overrides Sub ApplyTransform ( _bitmap As Bitmap _
)
```
 
```csharp
public override void ApplyTransform(Bitmap bitmap
)
```
 
### Parameters
 
 - bitmap
     - Type: [Aurigma.GraphicsMill.Bitmap](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Bitmap.htm.md)
 [Bitmap](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Bitmap.htm.md) which should be transformed. Result of the transform will be saved to the same bitmap (in other word, transform is applied "in-place").
   
## See Also

### Reference

- [PerChannelBitmapTransform Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_PerChannelBitmapTransform.htm.md)
- [ApplyTransform Overload](https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_Transforms_PerChannelBitmapTransform_ApplyTransform.htm.md)
- [Aurigma.GraphicsMill.Transforms Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Transforms.htm.md)