---
title: "BitmapChange Enumeration"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_BitmapChange.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/)

# BitmapChange Enumeration
 
Contains possible values that describe a reason of bitmap change in [Changed](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_Bitmap_Changed.htm.md) and [Changing](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_Bitmap_Changing.htm.md) events.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public Enumeration BitmapChange
```
 
```csharp
public enum BitmapChange
```
 
## Members

|   |  Member name |  Description |
| --- | --- | --- |
 |   |  Deserialize |  Bitmap has been deserialized. |
 |   |  Combine |  Bitmap changed due combining with another bitmap (using [Combiner](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Combiner.htm.md) transform). |
 |   |  FloodFill |  Bitmap changed by [FloodFill](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_FloodFill.htm.md) transform. |
 |   |  Load |  Bitmap data was loaded from file or any other source (using [Load(String)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Load_1_bb3a7a4f.htm.md) method). |
 |   |  AddAlphaChannel |   |
 |   |  ApplyMatrixTransform |  Bitmap changed by [ApplyMatrixTransform](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_ApplyMatrixTransform.htm.md) transform. |
 |   |  Levels |  Bitmap changed by [Levels](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Levels.htm.md) transform. |
 |   |  Invert |  Bitmap changed by [Invert](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Invert.htm.md) transform. |
 |   |  Redo |  Previously undone bitmap modification was redone (using [Redo()](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Redo.htm.md) method). |
 |   |  Undo |  Bitmap modification was undone (using [Undo()](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Undo.htm.md) method). |
 |   |  ApplyLut |  Bitmap changed by [ApplyLut](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_ApplyLut.htm.md) transform. |
 |   |  HistogramEqualize |  Bitmap changed by [HistogramEqualize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_HistogramEqualize.htm.md) transform. |
 |   |  ImportData |  Bitmap data was imported from array (using [Import(Int32\[,,\])](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Import_3_413b0f7a.htm.md) method). |
 |   |  ReplaceChannel |  Some bitmap channel was replaced. |
 |   |  Wave |  Bitmap changed by [Wave](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Wave.htm.md) transform. |
 |   |  WaterDrop |  Bitmap changed by [WaterDrop](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_WaterDrop.htm.md) transform. |
 |   |  Waddle |  Bitmap changed by [Waddle](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Waddle.htm.md) transform. |
 |   |  UnsharpMask |  Bitmap changed by [UnsharpMask](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_UnsharpMask.htm.md) transform. |
 |   |  Transparentize |  Bitmap changed by [Transparentize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Transparentize.htm.md) transform. |
 |   |  Texturize |  Bitmap changed by [Texturize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Texturize.htm.md) transform. |
 |   |  Swirl |  Bitmap changed by [Swirl](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Swirl.htm.md) transform. |
 |   |  SwapChannels |  Bitmap changed by [SwapChannels](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_SwapChannels.htm.md) transform. |
 |   |  Spray |  Bitmap changed by [Spray](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Spray.htm.md) transform. |
 |   |  Solarize |  Bitmap changed by [Solarize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Solarize.htm.md) transform. |
 |   |  Sharpen |  Bitmap changed by [Sharpen](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Sharpen.htm.md) transform. |
 |   |  Shadow |  Bitmap changed by [Redo()](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Redo.htm.md) transform. |
 |   |  PageCurl |  Bitmap changed by [PageCurl](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_PageCurl.htm.md) transform. |
 |   |  Mosaic |  Bitmap changed by [Mosaic](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Mosaic.htm.md) transform. |
 |   |  Contrast |  Bitmap changed by [Contrast](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Contrast.htm.md) transform. |
 |   |  ColorSpace |  Bitmap changed due pixel format conversion (using [PixelFormatConverter](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_PixelFormatConverter.htm.md) transform). |
 |   |  Draw |  Something was drawn on the bitmap (e.g. line, rectangle, etc). |
 |   |  Rotate |  Bitmap changed by [Rotate](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Rotate.htm.md) transform. |
 |   |  Resize |  Bitmap changed by [Resize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Resize.htm.md) transform. |
 |   |  MinimumFilter |  Bitmap changed by [MinimumFilter](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_MinimumFilter.htm.md) transform. |
 |   |  MedianFilter |  Bitmap changed by [MedianFilter](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_MedianFilter.htm.md) transform. |
 |   |  MaximumFilter |  Bitmap changed by [MaximumFilter](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_MaximumFilter.htm.md) transform. |
 |   |  Glow |  Bitmap changed by [Glow](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Glow.htm.md) transform. |
 |   |  RotateAndFlip |  Bitmap changed by [RotateAndFlip](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_RotateAndFlip.htm.md) transform. |
 |   |  Emboss |  Bitmap changed by [Emboss](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Emboss.htm.md) transform. |
 |   |  EdgeDetect |  Bitmap changed by [EdgeDetect](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_EdgeDetect.htm.md) transform. |
 |   |  Cylindrize |  Bitmap changed by [Cylindrize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Cylindrize.htm.md) transform. |
 |   |  Curves |  Bitmap changed by [Curves](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Curves.htm.md) transform. |
 |   |  Crop |  Bitmap changed by [Crop](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Crop.htm.md) transform. |
 |   |  ChannelBalance |  Bitmap changed by [ChannelBalance](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_ChannelBalance.htm.md) transform. |
 |   |  Buttonize |  Bitmap changed by [Buttonize](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Buttonize.htm.md) transform. |
 |   |  BrightnessContrast |  Bitmap changed by [BrightnessContrast](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_BrightnessContrast.htm.md) transform. |
 |   |  Brightness |  Bitmap changed by [Brightness](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Brightness.htm.md) transform. |
 |   |  Blur |  Bitmap changed by [Blur](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Blur.htm.md) transform. |
 |   |  AdjustHsl |  Bitmap changed by [AdjustHsl](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_AdjustHsl.htm.md) transform. |
 |   |  AddNoise |  Bitmap changed by [AddNoise](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_AddNoise.htm.md) transform. |
 |   |  Unload |  Bitmap data has been unloaded with [Unload()](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Unload.htm.md) method. |
 |   |  CreateNew |  Bitmap was emptied and created anew (with [Create(Single, Single, PixelFormat, ColorPalette)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_Create_4_377d046c.htm.md) method). |
 |   |  LoadThumbnail |  Thumbnail was loaded from file or any other source (using [LoadThumbnail(String, Int32, Int32)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Bitmap_LoadThumbnail_3_dc18a583.htm.md) method). |
 |   |  Custom |  Bitmap was changed because of some custom effect. You can use this value when you implement your own effect and raise the [Changed](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_Bitmap_Changed.htm.md) and [Changing](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_Bitmap_Changing.htm.md) events. |
   
## See Also

### Reference

- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)