How to redraw or refresh in OnRender?

Question

I want to draw something dynamically. Following code shows my OnRender. I\'m setting DrawItem somewhere in my program where I need it. But when I\'m calling DrawItem =

Answer 1

Your question is not clear but from what I can understand you seem to be asking for a method to refresh the visuals after updating your drawing variables. You could use the following after updating your drawing variables:

this.InvalidateVisual();

and with the property:

private int drawItem;
pulic int DrawItem
{
 get {return drawItem;}
 set 
 {
    drawItem=value;
    this.InvalidateVisual();
 }
}