'...
'Create an instance of ImageElement class

Dim imgElem As Neodynamic.WebControls.ImageDraw.ImageElement
imgElem = Neodynamic.WebControls.ImageDraw.ImageElement.FromUrl("~/images/night.jpg")

'Create an instance of AdjustGamma class

Dim adjGamma As New Neodynamic.WebControls.ImageDraw.AdjustGamma()
'Set the gamma correction value

adjGamma.Gamma = 70

'Apply the action on the ImageElement

imgElem.Actions.Add(adjGamma)

'Add the ImageElement to the Elements collection of the ImageDraw control

Me.ImageDraw1.Elements.Add(imgElem)
'Add the TextElement to the Elements collection of the ImageDraw control
'...

//...
//Create an instance of ImageElement class
Neodynamic.WebControls.ImageDraw.ImageElement imgElem = Neodynamic.WebControls.ImageDraw.ImageElement.FromUrl("~/images/night.jpg");

//Create an instance of AdjustGamma class
Neodynamic.WebControls.ImageDraw.AdjustGamma adjGamma = new Neodynamic.WebControls.ImageDraw.AdjustGamma();
//Set the gamma correction value
adjGamma.Gamma = 70;

//Apply the action on the ImageElement
imgElem.Actions.Add(adjContrast);

//Add the ImageElement to the Elements collection of the ImageDraw control
this.ImageDraw1.Elements.Add(imgElem);
//Add the TextElement to the Elements collection of the ImageDraw control
//...

...
<neoimg:imagedraw id="ImageDraw1" runat="server">
   <Canvas AutoSize="True" />
   <Elements>
      <neoimg:ImageElement Source="File" SourceFile="~/images/night.jpg">
         <Actions>
            <neoimg:AdjustGamma Gamma="70" />
         </Actions>
      </neoimg:ImageElement>
   </Elements>
</neoimg:imagedraw>
...