InteractiveModeCanvas Property

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
 
void InteractiveModeCanvasExample() 
{ 
   // Our custom image will have 320 by 200 pixels 
   var width = 320; 
   var height = 200; 
   // Call viewer.set_imageSize with these values, this will set a new image in the viewer with 320 by 200 pixels. The back canvas will be created 
   _viewer.ImageSize = new Size(width, height); 
 
 
   // Get the InteractiveModeCanvas canvas 
   var canvas = _viewer.InteractiveModeCanvas; 
 
   // Fill with gradient 
   // Draw the edge in yellow 
   Rectangle rect = new Rectangle 
   { 
      Width = width, 
      Height = height, 
      Fill = new SolidColorBrush(Windows.UI.Color.FromArgb(255, 0, 0, 255)), 
      Stroke = new SolidColorBrush(Windows.UI.Color.FromArgb(255, 255, 255, 0)), 
   }; 
 
   Canvas.SetLeft(rect, 0); 
   Canvas.SetTop(rect, 0); 
 
 
   TextBlock textBlock = new TextBlock(); 
   textBlock.Text = "Custom image in the viewer"; 
   textBlock.Width = width / 2; 
   textBlock.Height = height / 2; 
   textBlock.TextAlignment = TextAlignment.Center; 
   Canvas.SetLeft(textBlock, width / 4); 
   Canvas.SetTop(textBlock, height / 4); 
 
   canvas.Children.Add(rect); 
   canvas.Children.Add(textBlock); 
}