This example saves the objects from an existing container to a disk file and loads them back.

Visual Basic

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Public Sub AnnCodecs_AnnCodecs(ByVal fileName As String)    ' create a new annotation container    Dim container As AnnContainer = New AnnContainer()    ' add a few objects into the container    Dim rectObj As AnnRectangleObject = New AnnRectangleObject()    rectObj.Bounds = New AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel)    rectObj.Pen = New AnnPen(Color.Blue, New AnnLength(1, AnnUnit.Pixel))    rectObj.Brush = Nothing    container.Objects.Add(rectObj)    Dim lineObj As AnnLineObject = New AnnLineObject()    lineObj.StartPoint = New AnnPoint(100, 100, AnnUnit.Pixel)    lineObj.EndPoint = New AnnPoint(200, 200, AnnUnit.Pixel)    lineObj.Pen = New AnnPen(Color.Red, New AnnLength(1, AnnUnit.Pixel))    container.Objects.Add(lineObj)    ' create a new AnnCodecs class    Dim codecs As AnnCodecs = New AnnCodecs()    ' save this container into a file    ' save the objects in this container    codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 1, AnnCodecsSavePageMode.Overwrite)    ' get information about the file    Dim information As AnnCodecsInformation = New AnnCodecsInformation()    codecs.GetInformation(fileName, information)    MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages))    ' save the objects again (as a second page)    codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 2, AnnCodecsSavePageMode.Insert)    ' get information about the file    information = New AnnCodecsInformation()    codecs.GetInformation(fileName, information)    MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages))    ' delete the first page    codecs.DeletePage(fileName, 1)    ' get information about the file    information = New AnnCodecsInformation()    codecs.GetInformation(fileName, information)    MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages)) End Sub

C#

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public void AnnCodecs_AnnCodecs(string fileName)  {     // create a new annotation container     AnnContainer container = new AnnContainer();     // add a few objects into the container       AnnRectangleObject rectObj = new AnnRectangleObject();     rectObj.Bounds = new AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel);     rectObj.Pen = new AnnPen(Color.Blue, new AnnLength(1, AnnUnit.Pixel));     rectObj.Brush = null;     container.Objects.Add(rectObj);       AnnLineObject lineObj = new AnnLineObject();     lineObj.StartPoint = new AnnPoint(100, 100, AnnUnit.Pixel);     lineObj.EndPoint = new AnnPoint(200, 200, AnnUnit.Pixel);     lineObj.Pen = new AnnPen(Color.Red, new AnnLength(1, AnnUnit.Pixel));     container.Objects.Add(lineObj);       // create a new AnnCodecs class     AnnCodecs codecs = new AnnCodecs();       // save this container into a file     // save the objects in this container     codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 1, AnnCodecsSavePageMode.Overwrite);       // get information about the file     AnnCodecsInformation information = new AnnCodecsInformation();     codecs.GetInformation(fileName, information);     MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages));       // save the objects again (as a second page)     codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 2, AnnCodecsSavePageMode.Insert);       // get information about the file     information = new AnnCodecsInformation();     codecs.GetInformation(fileName, information);     MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages));       // delete the first page     codecs.DeletePage(fileName, 1);       // get information about the file     information = new AnnCodecsInformation();     codecs.GetInformation(fileName, information);     MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages));  }

This class supports loading and saving annotation objects from and to disk files and to memory stream as well as getting information on information objects saved in a disk file or a memory stream.

This class also supports saving and loading multi-page annotation files or streams.

System.Object
   Leadtools.Annotations.AnnCodecs

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

Reference