---
title: "Bitmap.Scan0 Property "
canonical: https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Bitmap_Scan0.htm
product: "Graphics Mill"
---

# Bitmap.Scan0 Property 
 
Gets the pointer to the very first pixel of this bitmap.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public IntPtr Scan0 { get; }
```
 
### Property Value
The address of the first pixel of this bitmap.
 
## Examples
  
```csharp
using (var bitmap = new Bitmap(@"Images\in.jpg"))
{
    unsafe
    {
        //A pointer to the beginning of the pixel data region
        byte* pointer = (byte*)(bitmap.Scan0.ToPointer());
        //Number of bytes in a row
        int stride = bitmap.Stride;
        //Number of rows
        int height = bitmap.Height;

        for (int i = 0; i < height; i++)
        {
            byte* position = pointer + stride * i;
            for (int j = 0; j < stride; j++)
            {
                //Now we can modify the pixel, for example, invert it
                *position = (byte)(255 - *position);
                position++;
            }
        }
    }
    bitmap.Save(@"Images\Output\out.jpg");
}
```
   
## See Also

### Reference

- [Bitmap Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Bitmap.htm.md)
- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill.htm.md)

### Manual

- [Accessing Pixel Data](https://www.graphicsmill.com/docs/gm/accessing-pixel-data.htm.md)