SaveLayer(AnnLayer,AnnFormat,String) Method

using Leadtools.Annotations.Automation; 
using Leadtools.Annotations.Engine; 
using Leadtools.Annotations.Rendering; 
 
public void AnnCodecs_AnnCodecs() 
{ 
   // Create a new annotation container, 8.5 by 11 inches 
   AnnContainer container = new AnnContainer(); 
   // Size must be in annotation units (1/720 of an inch) 
   container.Size = LeadSizeD.Create(8.5 * 720, 11 * 720); 
 
   double inch = 720.0; 
   // Add a red line object, from 1in 1in to 2in 2in 
   AnnPolylineObject lineObj = new AnnPolylineObject(); 
   lineObj.Points.Add(LeadPointD.Create(1 * inch, 1 * inch)); 
   lineObj.Points.Add(LeadPointD.Create(2 * inch, 2 * inch)); 
   lineObj.Stroke = AnnStroke.Create(AnnSolidColorBrush.Create("Red"), LeadLengthD.Create(1)); 
   container.Children.Add(lineObj); 
 
   // Add a blue on yellow rectangle from 3in 3in to 4in 4in 
   AnnRectangleObject rectObj = new AnnRectangleObject(); 
   rectObj.Rect = LeadRectD.Create(3 * inch, 3 * inch, 1 * inch, 1 * inch); 
   rectObj.Stroke = AnnStroke.Create(AnnSolidColorBrush.Create("Blue"), LeadLengthD.Create(1)); 
   rectObj.Fill = AnnSolidColorBrush.Create("Yellow"); 
   container.Children.Add(rectObj); 
 
   // Show the container 
   ShowContainer("Before save", container); 
 
   // Create the codecs object to save and load annotations 
   AnnCodecs codecs = new AnnCodecs(); 
 
   // Save the container 
 
   string destFileName = @"container.xml"; 
   codecs.Save(destFileName, container, AnnFormat.Annotations, 1); 
 
   // delete the container 
   container = null; 
 
   // Show information about the data we just saved 
   AnnCodecsInfo info = codecs.GetInfo(destFileName); 
   string message; 
   if (info.Format == AnnFormat.Annotations) 
   { 
      message = "Version: "; 
      message += info.Version; 
      message += " No. of pages: "; 
      message += info.Pages.Length; 
      message += " page nos: "; 
      for (int i = 0; i < info.Pages.Length; i++) 
      { 
         message += info.Pages[i] + " "; 
      } 
   } 
   else 
   { 
      message = "Invalid annotations data"; 
   } 
 
   Debug.WriteLine(message); 
 
 
   // Show information about the XML data we just saved 
   XmlDocument xmlDoc = new XmlDocument(); 
   xmlDoc.Load(destFileName); 
   AnnCodecsInfo infoFromString =  codecs.GetInfoFromString(xmlDoc.OuterXml); 
   Debug.WriteLine($"===================="); 
   Debug.WriteLine($"Get Info From String"); 
   Debug.WriteLine($"Format:  {infoFromString.Format}"); 
   Debug.WriteLine($"Version: {infoFromString.Version}"); 
   Debug.WriteLine($"Pages:   {infoFromString.Pages.Length}"); 
   Debug.WriteLine($"===================="); 
 
   // Load the container we just saved 
   container = codecs.Load(destFileName, 1); 
 
   // Show it 
   ShowContainer("After load", container); 
 
   // delete the container 
   container = null; 
 
   // Load the XML container just saved  
   container = codecs.LoadFromString(xmlDoc.OuterXml, 1); 
 
   // Show it 
   ShowContainer("After load from string", container); 
 
   // Save Active Layer using a Stream output 
   AnnLayer layer = AnnLayer.Create("MyLayer"); 
   container.ActiveLayer = layer; 
   Stream stream = File.Create("StreamActiveLayer.xml"); 
   codecs.SaveLayer(stream, container.ActiveLayer, AnnFormat.Annotations, 1); 
 
   // Save Active Layer using a File output 
   AnnLayer layer2 = AnnLayer.Create("MyLayer2"); 
   container.ActiveLayer = layer2; 
   codecs.SaveLayer("StringActiveLayer.xml", layer2, AnnFormat.Annotations, 1); 
          
   // Save Layer to string 
   AnnLayer layer4 = AnnLayer.Create("MyLayer4"); 
   string stringLayer = codecs.SaveLayerToString(layer4, AnnFormat.Annotations); 
   Debug.WriteLine($"{stringLayer}"); 
 
   // Use SelectionObject, set ActiveLayer, Change Offset, Change PageNumber, and Save to string 
   AnnLayer layer5 = AnnLayer.Create("MyLayer5"); 
   AnnSelectionObject annSelectionObject = container.SelectionObject; 
   annSelectionObject.IsSelected = true; 
   container.ActiveLayer = layer5; 
   container.Offset = new LeadPointD(10, 10); 
   container.PageNumber = 3; 
   string saveToString = codecs.SaveToString(container, AnnFormat.Annotations, 1); 
   Debug.WriteLine($"{saveToString}"); 
 
   //Load from String 
   AnnContainer annContainer = codecs.LoadFromString(saveToString, 1); 
   Debug.WriteLine($"{annContainer.PageNumber}"); 
 
} 
 
private void ShowContainer(String message, AnnContainer container) 
{ 
   string str = message + "\nContainer size: "; 
 
   // Add the size 
   double inch = 720; 
   double width = container.Size.Width / inch; 
   double height = container.Size.Height / inch; 
   str += width + " by " + height + " inches" + "\n"; 
 
   // Add the objects 
   str += "Contains " + container.Children.Count + " objects(s)\n"; 
   for (int i = 0; i < container.Children.Count; i++) 
   { 
      AnnObject annObj = container.Children[i]; 
 
      str += "Object: " + annObj.FriendlyName + " at "; 
      for (int j = 0; j < annObj.Points.Count; j++) 
      { 
         LeadPointD pt = annObj.Points[j]; 
         double x = pt.X / inch; 
         double y = pt.Y / inch; 
         str += "(" + x + ", " + y + ") "; 
      } 
 
      str += "\n"; 
   } 
 
   Debug.WriteLine(str); 
}