'...
'Create an instance of ImageElement class

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

'Create an instance of ConvertToGrayscale class

Dim grayscale As New Neodynamic.SDK.ConvertToGrayscale()

'Apply the action on the ImageElement

imgElem.Actions.Add(grayscale)

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

Me.ImageDraw1.Elements.Add(imgElem)
'...

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

//Create an instance of ConvertToGrayscale class
Neodynamic.SDK.ConvertToGrayscale grayscale = new Neodynamic.SDK.ConvertToGrayscale();

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

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

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