---
title: "BitmapStatisticsProvider..::.GetSumHistogram Method (Int32)"
canonical: https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram_1_e1836fc4.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/)

# BitmapStatisticsProvider.GetSumHistogram Method (Int32)
 
Calculates and returns a histogram built from luminosity of the single channel of the pixel.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public Function GetSumHistogram ( _channel As Integer _
) As Histogram
```
 
```csharp
public Histogram GetSumHistogram(int channel
)
```
 
### Parameters
 
 - channel
     - Type: [System.Int32](http://msdn2.microsoft.com/en-us/td2s409d)
A channel number to build histogram for.
 
### Return Value
An array which contains bitmap histogram.
 
## Examples
  
```
Dim histogram As Aurigma.GraphicsMill.Histogram = _
 bitmap.Statistics.GetSumHistogram(False)

For i As Integer = 0 To histogram.Length - 1
    Console.WriteLine(i & ": " & histogram(i))
Next
```
 
```csharp
Aurigma.GraphicsMill.Histogram histogram =
    bitmap.Statistics.GetSumHistogram(false);

for (int i = 0; i < histogram.Length; i++)
{
    Console.WriteLine(i + ": " + histogram[i]);
}
```
   
## See Also

### Reference

- [BitmapStatisticsProvider Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_BitmapStatisticsProvider.htm.md)
- [GetSumHistogram Overload](https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram.htm.md)
- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)