LEADTOOLS Annotations for WPF and Silverlight (Leadtools.Windows.Annotations assembly)

AnnObjectCollection Class

Show in webframe
Example 





Members 
Leadtools.Windows.Annotations Namespace : AnnObjectCollection Class
Represents an ordered collection of AnnObject.
Object Model
Syntax
'Usage
 
Dim instance As AnnObjectCollection

            

        

            

            

            

        

            
        

            

        

            
            
            
            
            
            
            
Example

    

            
            

            Copy Code
                
            

            

    

     

            
Imports Leadtools.Windows.Controls
Imports Leadtools.Windows.Annotations

Public Sub AnnObjectCollectionExample(ByVal container As AnnContainer)
   AddHandler container.ObjectAdded, AddressOf container_ObjectAdded
   AddHandler container.ObjectRemoved, AddressOf container_ObjectRemoved
   ' add a few objects
   Dim lineObj As AnnLineObject = New AnnLineObject()
   lineObj.Start = New Point(100, 100)
   lineObj.End = New Point(200, 200)
   lineObj.Stroke = Colors.Blue
   lineObj.StrokeThickness = 2.0
   lineObj.Header = "Object 1"

   Dim rectObj As AnnRectangleObject = New AnnRectangleObject()
   rectObj.Rect = New Rect(200, 200, 100, 100)
   rectObj.Stroke = Colors.Blue
   rectObj.StrokeThickness = 2.0
   rectObj.Fill = Colors.Transparent
   rectObj.Header = "Object 2"

   Dim ellipseObj As AnnEllipseObject = New AnnEllipseObject()
   ellipseObj.Rect = New Rect(200, 200, 150, 100)
   ellipseObj.Stroke = Colors.Yellow
   ellipseObj.StrokeThickness = 2.0
   ellipseObj.Fill = Colors.Green
   ellipseObj.Header = "Object 3"

   container.Children.Add(lineObj)
   container.Children.Add(rectObj)
   container.Children.Add(ellipseObj)

   ' insert new Object
   Dim newLineObj As AnnLineObject = DirectCast(lineObj.Clone(), AnnLineObject)
   newLineObj.Start = New Point(110, 110)
   newLineObj.End = New Point(210, 210)
   newLineObj.Stroke = Colors.Red
   newLineObj.StrokeThickness = 2.0
   newLineObj.Header = "New Object"

   container.Children.Insert(1, newLineObj)

   ' check if collection contains this new item 
   System.Diagnostics.Debug.Assert(container.Children.Contains(newLineObj))

   ' remove this new item 
   container.Children.Remove(newLineObj)
   System.Diagnostics.Debug.Assert((Not container.Children.Contains(newLineObj)))

   ' remove the last item 
   container.Children.RemoveAt(container.Children.Count - 1)
   System.Diagnostics.Debug.Assert(container.Children.Count = 2)

   ' send the first item to the end of the collection 
   container.Children.SendToBack(lineObj, True)
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) = container.Children.Count - 1)

   ' bring it back to the front 
   container.Children.BringToFront(lineObj, True)
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) = 0)

   ' clean the collection 
   container.Children.Clear()
   System.Diagnostics.Debug.Assert(container.Children.Count = 0)
End Sub

Private Sub container_ObjectAdded(ByVal sender As Object, ByVal e As AnnObjectCollectionEventArgs)
   Console.WriteLine("The Object ((" & e.Object.Header & ")) Has been added to the collection")
End Sub

Private Sub container_ObjectRemoved(ByVal sender As System.Object, ByVal e As AnnObjectCollectionEventArgs)
   Console.WriteLine("The Object ((" & e.Object.Header & ")) Has been removed from the collection")
End Sub

            

   

     

            
using Leadtools.Windows.Controls;
using Leadtools.Windows.Annotations;
using Leadtools.Demos;
using Leadtools.Help;

public void AnnObjectCollectionExample(AnnContainer container)
{
   container.ObjectAdded += new EventHandler<AnnObjectCollectionEventArgs>(container_ObjectAdded);
   container.ObjectRemoved += new EventHandler<AnnObjectCollectionEventArgs>(container_ObjectRemoved);
   // add a few objects
   AnnLineObject lineObj = new AnnLineObject();
   lineObj.Start = new Point(100, 100);
   lineObj.End = new Point(200, 200);
   lineObj.Stroke = Colors.Blue;
   lineObj.StrokeThickness = 2.0;
   lineObj.Header = "Object 1";

   AnnRectangleObject rectObj = new AnnRectangleObject();
   rectObj.Rect = new Rect(200, 200, 100, 100);
   rectObj.Stroke = Colors.Blue;
   rectObj.Fill = Colors.Transparent;
   rectObj.StrokeThickness = 2.0;
   rectObj.Header = "Object 2";

   AnnEllipseObject ellipseObj = new AnnEllipseObject();
   ellipseObj.Rect = new Rect(200, 200, 150, 100);
   ellipseObj.Stroke = Colors.Yellow;
   ellipseObj.Fill = Colors.Green;
   ellipseObj.StrokeThickness = 2.0;
   ellipseObj.Header = "Object 3";

   container.Children.Add(lineObj);
   container.Children.Add(rectObj);
   container.Children.Add(ellipseObj);

   // insert new Object
   AnnLineObject newLineObj = lineObj.Clone() as AnnLineObject;
   newLineObj.Start = new Point(110, 110);
   newLineObj.End = new Point(210, 210);
   newLineObj.Stroke = Colors.Red;
   newLineObj.StrokeThickness = 2.0;
   newLineObj.Header = "New Object";

   container.Children.Insert(1, newLineObj);

   // check if collection contains this new item 
   System.Diagnostics.Debug.Assert(container.Children.Contains(newLineObj));

   // remove this new item 
   container.Children.Remove(newLineObj);
   System.Diagnostics.Debug.Assert(!container.Children.Contains(newLineObj));

   // remove the last item 
   container.Children.RemoveAt(container.Children.Count - 1);
   System.Diagnostics.Debug.Assert(container.Children.Count == 2);

   // send the first item to the end of the collection 
   container.Children.SendToBack(lineObj, true);
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) == container.Children.Count - 1);

   // bring it back to the front 
   container.Children.BringToFront(lineObj, true);
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) == 0);

   // clean the collection 
   container.Children.Clear();
   System.Diagnostics.Debug.Assert(container.Children.Count == 0);
}

private void container_ObjectAdded(object sender, AnnObjectCollectionEventArgs e)
{
   Console.WriteLine("The Object ((" + e.Object.Header + ")) Has been added to the collection");
}

private void container_ObjectRemoved(System.Object sender, AnnObjectCollectionEventArgs e)
{
   Console.WriteLine("The Object ((" + e.Object.Header + ")) Has been removed from the collection");
}

            

   

     

            
using Leadtools.Windows.Controls;
using Leadtools.Windows.Annotations;
using Leadtools.Examples;

public void AnnObjectCollectionExample(AnnContainer container)
{
   container.ObjectAdded += new EventHandler<AnnObjectCollectionEventArgs>(container_ObjectAdded);
   container.ObjectRemoved += new EventHandler<AnnObjectCollectionEventArgs>(container_ObjectRemoved);
   // add a few objects
   AnnLineObject lineObj = new AnnLineObject();
   lineObj.Start = new Point(100, 100);
   lineObj.End = new Point(200, 200);
   lineObj.Stroke = Colors.Blue;
   lineObj.StrokeThickness = 2.0;
   lineObj.Header = "Object 1";

   AnnRectangleObject rectObj = new AnnRectangleObject();
   rectObj.Rect = new Rect(200, 200, 100, 100);
   rectObj.Stroke = Colors.Blue;
   rectObj.Fill = Colors.Transparent;
   rectObj.StrokeThickness = 2.0;
   rectObj.Header = "Object 2";

   AnnEllipseObject ellipseObj = new AnnEllipseObject();
   ellipseObj.Rect = new Rect(200, 200, 150, 100);
   ellipseObj.Stroke = Colors.Yellow;
   ellipseObj.Fill = Colors.Green;
   ellipseObj.StrokeThickness = 2.0;
   ellipseObj.Header = "Object 3";

   container.Children.Add(lineObj);
   container.Children.Add(rectObj);
   container.Children.Add(ellipseObj);

   // insert new Object
   AnnLineObject newLineObj = lineObj.Clone() as AnnLineObject;
   newLineObj.Start = new Point(110, 110);
   newLineObj.End = new Point(210, 210);
   newLineObj.Stroke = Colors.Red;
   newLineObj.StrokeThickness = 2.0;
   newLineObj.Header = "New Object";

   container.Children.Insert(1, newLineObj);

   // check if collection contains this new item 
   System.Diagnostics.Debug.Assert(container.Children.Contains(newLineObj));

   // remove this new item 
   container.Children.Remove(newLineObj);
   System.Diagnostics.Debug.Assert(!container.Children.Contains(newLineObj));

   // remove the last item 
   container.Children.RemoveAt(container.Children.Count - 1);
   System.Diagnostics.Debug.Assert(container.Children.Count == 2);

   // send the first item to the end of the collection 
   container.Children.SendToBack(lineObj, true);
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) == container.Children.Count - 1);

   // bring it back to the front 
   container.Children.BringToFront(lineObj, true);
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) == 0);

   // clean the collection 
   container.Children.Clear();
   System.Diagnostics.Debug.Assert(container.Children.Count == 0);
}

private void container_ObjectAdded(object sender, AnnObjectCollectionEventArgs e)
{
   Console.WriteLine("The Object ((" + e.Object.Header + ")) Has been added to the collection");
}

private void container_ObjectRemoved(System.Object sender, AnnObjectCollectionEventArgs e)
{
   Console.WriteLine("The Object ((" + e.Object.Header + ")) Has been removed from the collection");
}

            

   

     

            
Imports Leadtools.Windows.Controls
Imports Leadtools.Windows.Annotations

Public Sub AnnObjectCollectionExample(ByVal container As AnnContainer)
   AddHandler container.ObjectAdded, AddressOf container_ObjectAdded
   AddHandler container.ObjectRemoved, AddressOf container_ObjectRemoved
   ' add a few objects
   Dim lineObj As AnnLineObject = New AnnLineObject()
   lineObj.Start = New Point(100, 100)
   lineObj.End = New Point(200, 200)
   lineObj.Stroke = Colors.Blue
   lineObj.StrokeThickness = 2.0
   lineObj.Header = "Object 1"

   Dim rectObj As AnnRectangleObject = New AnnRectangleObject()
   rectObj.Rect = New Rect(200, 200, 100, 100)
   rectObj.Stroke = Colors.Blue
   rectObj.Fill = Colors.Transparent
   rectObj.StrokeThickness = 2.0
   rectObj.Header = "Object 2"

   Dim ellipseObj As AnnEllipseObject = New AnnEllipseObject()
   ellipseObj.Rect = New Rect(200, 200, 150, 100)
   ellipseObj.Stroke = Colors.Yellow
   ellipseObj.Fill = Colors.Green
   ellipseObj.StrokeThickness = 2.0
   ellipseObj.Header = "Object 3"

   container.Children.Add(lineObj)
   container.Children.Add(rectObj)
   container.Children.Add(ellipseObj)

   ' insert new Object
   Dim newLineObj As AnnLineObject = TryCast(lineObj.Clone(), AnnLineObject)
   newLineObj.Start = New Point(110, 110)
   newLineObj.End = New Point(210, 210)
   newLineObj.Stroke = Colors.Red
   newLineObj.StrokeThickness = 2.0
   newLineObj.Header = "New Object"

   container.Children.Insert(1, newLineObj)

   ' check if collection contains this new item 
   System.Diagnostics.Debug.Assert(container.Children.Contains(newLineObj))

   ' remove this new item 
   container.Children.Remove(newLineObj)
   System.Diagnostics.Debug.Assert((Not container.Children.Contains(newLineObj)))

   ' remove the last item 
   container.Children.RemoveAt(container.Children.Count - 1)
   System.Diagnostics.Debug.Assert(container.Children.Count = 2)

   ' send the first item to the end of the collection 
   container.Children.SendToBack(lineObj, True)
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) = container.Children.Count - 1)

   ' bring it back to the front 
   container.Children.BringToFront(lineObj, True)
   System.Diagnostics.Debug.Assert(container.Children.IndexOf(lineObj) = 0)

   ' clean the collection 
   container.Children.Clear()
   System.Diagnostics.Debug.Assert(container.Children.Count = 0)
End Sub

Private Sub container_ObjectAdded(ByVal sender As Object, ByVal e As AnnObjectCollectionEventArgs)
   Console.WriteLine("The Object ((" & e.Object.Header & ")) Has been added to the collection")
End Sub

Private Sub container_ObjectRemoved(ByVal sender As System.Object, ByVal e As AnnObjectCollectionEventArgs)
   Console.WriteLine("The Object ((" & e.Object.Header & ")) Has been removed from the collection")
End Sub

            

   

      
	
      
	
    

            
           
            
Requirements
Target Platforms

            
            
See Also
Reference
AnnObjectCollection Members

Leadtools.Windows.Annotations Namespace




        
    

	
    

        

 
 
          

























Products | Support | Contact Us | Copyright Notices 
 © 2006-2014 All Rights Reserved. LEAD Technologies, Inc.