Using Non Automated Annotations in Run Mode

Take the following steps to create and run a program that implements non-automated annotations, This program will let you create a Note and a button annotations, set the user mode through a menu, and activate the annotations by left clicking on the annotation.

Start Visual Studio .NET.
Choose File->New->Project… from the menu.
In the New Project dialog box, choose either "Visual C# Projects" or "Visual Basic Projects" in the Projects Type List, and choose "Windows Application " in the Templates List.
Type the project name as "Using Non Automated Annotations in Run Mode" in the Project Name field, and then choose OK. If desired, type a new location for your project or select a directory using the Browse button, and then choose OK .
In the "Solution Explorer" window, right-click on the "References" folder, and select "Add Reference…" from the context menu. In the "Add Reference" dialog box, select the ".NET" tab and browse to Leadtools For .NET "\LEAD Technologies\LEADTOOLS 15\Bin\DotNet\Win32 " folder and select the following DLLs:
- Leadtools.dll
- Leadtools.Annotations.dll
- Leadtools.Codecs.dll
- Leadtools.WinForms.dll
Click the Select button and then press the OK button to add the above DLLs to the application.
Make sure Form1 is in design view. Go to the toolbox (View->Toolbox) and Drag and drop an instance of RasterImageViewer to the form. If you do not have RasterImageViewer in your toolbox, select Tools->Add Remove Toolbox Items from the menu. Click Browse and then select Leadtools.WinForms.DLL from "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Bin\DotNet\Win32" and then click Open and then click OK.
Go to the toolbox (View->Toolbox) and Drag and drop a 2 instance of RadioButton control to the top of the form and set the following properties for them:

Text Name Checked

Design Mode radioButton1 True

Run Mode radioButton2 False

Switch to Form1 code view (right-click Form1 in the solution explorer then select View Code ) and add the following lines at the beginning of the file:

[Visual Basic]

 
Imports Leadtools
Imports Leadtools.Annotations
Imports Leadtools.Codecs
Imports Leadtools.WinForms

[C#]

 
using Leadtools;
using Leadtools.Annotations;
using Leadtools.Codecs;
using Leadtools.WinForms;

Declare the following private enumeration:

[Visual Basic]

 
' user mode
Private Enum UserModeEnum
   RunMode
   DesignMode
End Enum

[C#]

 
// user mode
private enum UserModeEnum
{
   RunMode,
   DesignMode
}

Declare the following private variables:

[Visual Basic]

 
' Annotation container object
Private annContainerObj As AnnContainer
' Current user mode
Private currentUserMode As UserModeEnum

[C#]

 
// Annotation container object
private AnnContainer annContainerObj;
// Current user mode
private UserModeEnum currentUserMode;

Add an event handler to the Form1 Load event and code it as follows:

[Visual Basic]


Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
   ' intitialize a new RasterCodecs
   RasterCodecs.Startup()
   Dim codecs As New RasterCodecs()

   ' load the main image into our viewer
   rasterImageViewer1.Image = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Sample1.cmp")
   RasterCodecs.Shutdown()
   
   ' we are in design mode now
   currentUserMode = UserModeEnum.DesignMode
   
   If (Not IsNothing(RasterImageViewer1.Image)) Then
      ' initialize the AnnContainer object and associate it with rasterImageViewer1 image
      annContainerObj = New AnnContainer
      annContainerObj.Bounds = New AnnRectangle(0, 0, RasterImageViewer1.ImageSize.Width, RasterImageViewer1.ImageSize.Height, AnnUnit.Pixel)
      annContainerObj.Name = "Container"
      annContainerObj.Visible = True
      annContainerObj.UnitConverter = New AnnUnitConverter(96, 96)
      ' create Annotation Button Object and add it to the container
      annContainerObj.Objects.Add(CreateAnnButtonObject(New AnnRectangle(1, 1, annContainerObj.Bounds.Right / 4, annContainerObj.Bounds.Bottom / 4)))
      ' create Annotation Note Object and add it to the container
      annContainerObj.Objects.Add(CreateAnnNoteObject(New AnnRectangle(annContainerObj.Bounds.Right / 2, annContainerObj.Bounds.Bottom / 2, (annContainerObj.Bounds.Right / 4) - 1, (annContainerObj.Bounds.Bottom / 4) - 1)))
   End If
End Sub

[C#]


private void Form1_Load(object sender, System.EventArgs e)
{
   // intitialize a new RasterCodecs
   RasterCodecs.Startup();
   RasterCodecs codecs = new RasterCodecs();

   // load the main image into our viewer 
   rasterImageViewer1.Image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Sample1.cmp");
   RasterCodecs.Shutdown();
   
   // we are in design mode now
   currentUserMode = UserModeEnum.DesignMode;
   
   if(rasterImageViewer1.Image != null)
   {
      // initialize the AnnContainer object and associate it with rasterImageViewer1 image
      annContainerObj = new AnnContainer();
      annContainerObj.Bounds = new AnnRectangle(0, 0, rasterImageViewer1.ImageSize.Width, rasterImageViewer1.ImageSize.Height, AnnUnit.Pixel);
      annContainerObj.Name = "Container";
      annContainerObj.Visible = true;
      annContainerObj.UnitConverter = new AnnUnitConverter(96, 96);
      // create Annotation Button Object and add it to the container
      annContainerObj.Objects.Add(CreateAnnButtonObject(new AnnRectangle(1, 1, annContainerObj.Bounds.Right/4, annContainerObj.Bounds.Bottom/4)));
      // create Annotation Note Object and add it to the container
      annContainerObj.Objects.Add(CreateAnnNoteObject(new AnnRectangle(annContainerObj.Bounds.Right/2, annContainerObj.Bounds.Bottom/2, (annContainerObj.Bounds.Right/4) - 1, (annContainerObj.Bounds.Bottom/4) - 1)));
   }
}

Add an event handler to the radioButton1 CheckedChanged event and code it as follows:

[Visual Basic]


Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
   UserModeChanged(sender)
End Sub

[C#]


private void radioButton1_CheckedChanged(object sender, System.EventArgs e)
{
   UserModeChanged(sender);
}

Add an event handler to the radioButton2 CheckedChanged event and code it as follows:

[Visual Basic]

 
Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
   UserModeChanged(sender)
End Sub

[C#]

 
private void radioButton2_CheckedChanged(object sender, System.EventArgs e)
{
   UserModeChanged(sender);
}

Add an event handler to the rasterImageViewer1 MouseDown event and code it as follows:

[Visual Basic]


Private Sub RasterImageViewer1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles RasterImageViewer1.MouseDown
   If (IsNothing(RasterImageViewer1.Image)) Then
      Return
   End If
   If (currentUserMode = UserModeEnum.RunMode) Then
      Dim obj As AnnObject = HitTest(e.X, e.Y)
      If ((Not IsNothing(obj)) AndAlso ((TypeOf (obj) Is AnnButtonObject) OrElse (TypeOf (obj) Is AnnNoteObject))) Then
         If (TypeOf (obj) Is AnnButtonObject) Then
            Dim buttonObj As AnnButtonObject = obj
            buttonObj.Pushed = True
            RasterImageViewer1.Invalidate(buttonObj.InvalidRectangle)
            HandleHyperLink(buttonObj)
            buttonObj.Pushed = False
            RasterImageViewer1.Invalidate(buttonObj.InvalidRectangle)
         Else
            Dim annNoteObj As AnnNoteObject = obj
            HandleHyperLink(annNoteObj)
         End If
      End If
   End If
End Sub

[C#]


private void rasterImageViewer1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
   if(rasterImageViewer1.Image == null)
      return;
   if(currentUserMode == UserModeEnum.RunMode)
   {
      AnnObject obj = HitTest(e.X, e.Y);
      if(obj != null && ((obj is AnnButtonObject) || (obj is AnnNoteObject)))
      {
         if(obj is AnnButtonObject)
         {
            AnnButtonObject buttonObj = obj as AnnButtonObject;
            buttonObj.Pushed = true;
               rasterImageViewer1.Invalidate(buttonObj.InvalidRectangle);
            HandleHyperLink(buttonObj);
            buttonObj.Pushed = false;
               rasterImageViewer1.Invalidate(buttonObj.InvalidRectangle);
         }
         else
         {
            AnnNoteObject annNoteObj = obj as AnnNoteObject;
            HandleHyperLink(annNoteObj);
         }
      }
   }
}

Add an event handler to the rasterImageViewer1 TransformChanged event and code it as follows:

[Visual Basic]

 
Private Sub RasterImageViewer1_TransformChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RasterImageViewer1.TransformChanged
   If (Not IsNothing(annContainerObj)) Then
      annContainerObj.Transform = RasterImageViewer1.Transform.Clone()
   End If
End Sub

[C#]


private void rasterImageViewer1_TransformChanged(object sender, System.EventArgs e)
{
   if(annContainerObj != null)
      annContainerObj.Transform = rasterImageViewer1.Transform.Clone();
}

Add an event handler to the rasterImageViewer1 PostImagePaint event and code it as follows:

[Visual Basic]


Private Sub RasterImageViewer1_PostImagePaint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles RasterImageViewer1.PostImagePaint
   If (Not IsNothing(annContainerObj)) Then
      annContainerObj.Draw(e.Graphics)
   End If
End Sub

[C#]


private void rasterImageViewer1_PostImagePaint(object sender, System.Windows.Forms.PaintEventArgs e)
{
   if(annContainerObj != null)
      annContainerObj.Draw(e.Graphics);
}

Add the following functions code to class Form1:

[Visual Basic]


Private Sub UserModeChanged(ByVal sender As Object)
   If (sender Is radioButton1) Then
      currentUserMode = UserModeEnum.DesignMode
   Else
      currentUserMode = UserModeEnum.RunMode
   End If
End Sub

Private Function CreateAnnButtonObject(ByVal boundingRect As AnnRectangle) As AnnObject
   Dim annButtonObj As AnnButtonObject = New AnnButtonObject
   annButtonObj.Text = "Click me"
   annButtonObj.TextColor = Color.FromArgb(255, 0, 0)
   annButtonObj.Pen = New AnnPen(Color.Red, New AnnLength(3))
   annButtonObj.Brush = New AnnSolidBrush(Color.Yellow)
   annButtonObj.Font = New AnnFont(New FontFamily("Arial"), New AnnLength(14), FontStyle.Bold)
   annButtonObj.Hyperlink = "www.leadtools.com"
   annButtonObj.Bounds = boundingRect
   Return annButtonObj
End Function

Private Function CreateAnnNoteObject(ByVal boundingRect As AnnRectangle) As AnnObject
   Dim annNoteObj As AnnNoteObject = New AnnNoteObject
   annNoteObj.Text = "This is my Text"
   annNoteObj.TextColor = Color.FromArgb(255, 0, 0)
   annNoteObj.Pen = New AnnPen(Color.Red, New AnnLength(3))
   annNoteObj.Brush = New AnnSolidBrush(Color.Yellow)
   annNoteObj.Font = New AnnFont(New FontFamily("Arial"), New AnnLength(14), FontStyle.Bold)
   annNoteObj.Hyperlink = "Notepad.exe"
   annNoteObj.Bounds = boundingRect
   Return annNoteObj
End Function

Private Function HitTest(ByVal x As Single, ByVal y As Single) As AnnObject
   Dim hitTestBuffer As Integer = 2
   Dim obj As AnnObject = Nothing
   If (Not IsNothing(RasterImageViewer1.Image)) Then
   
      Dim testPoint As AnnPoint = New AnnPoint(x, y, AnnUnit.Pixel)
      obj = annContainerObj.HitTest(testPoint, hitTestBuffer)
   End If
   
   Return obj
End Function
   
Private Sub HandleHyperLink(ByVal obj As AnnObject)
   If (Not IsNothing(obj.Hyperlink)) Then
      Try
         System.Diagnostics.Process.Start(obj.Hyperlink)
      Catch ex As Exception
         MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
      End Try
   End If
End Sub

[C#]


private void UserModeChanged(object sender)
{
   currentUserMode = (sender == radioButton1)?UserModeEnum.DesignMode: UserModeEnum.RunMode;
}

private AnnObject CreateAnnButtonObject( AnnRectangle boundingRect)
{
   AnnButtonObject annButtonObj = new AnnButtonObject();
   annButtonObj.Text = "Click me";
   annButtonObj.TextColor = Color.FromArgb(255, 0, 0);
   annButtonObj.Pen = new AnnPen(Color.Red , new AnnLength(3));
   annButtonObj.Brush = new AnnSolidBrush(Color.Yellow);
   annButtonObj.Font = new AnnFont(new FontFamily("Arial"), new AnnLength(14), FontStyle.Bold);
   annButtonObj.Hyperlink = "www.leadtools.com";
   annButtonObj.Bounds = boundingRect;
   return annButtonObj;
}

private AnnObject CreateAnnNoteObject( AnnRectangle boundingRect)
{
   AnnNoteObject annNoteObj = new AnnNoteObject();
   annNoteObj.Text = "This is my Text";
   annNoteObj.TextColor = Color.FromArgb(255, 0, 0);
   annNoteObj.Pen = new AnnPen(Color.Red , new AnnLength(3));
   annNoteObj.Brush = new AnnSolidBrush(Color.Yellow);
   annNoteObj.Font = new AnnFont(new FontFamily("Arial"), new AnnLength(14), FontStyle.Bold);
   annNoteObj.Hyperlink = "Notepad.exe";
   annNoteObj.Bounds = boundingRect;
   return annNoteObj;
}

private AnnObject HitTest(float x, float y)
{
   int hitTestBuffer = 2;
   AnnObject obj = null;
   if(rasterImageViewer1.Image != null)
   {
      AnnPoint testPoint = new AnnPoint(x, y, AnnUnit.Pixel);
      obj = annContainerObj.HitTest(testPoint, hitTestBuffer);
   }

   return obj;
}

private void HandleHyperLink(AnnObject obj)
{
   if(obj.Hyperlink != string.Empty)
   {
      try
      {
         System.Diagnostics.Process.Start(obj.Hyperlink);
      }
      catch(Exception ex)
      {
         MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
      }
   }
}

Build, and Run the program to test it. Click on the Note and Button annotations. Since the User Mode is Design Mode, nothing happens. Select Run Mode Radio button then click on each annotation.

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Using Non Automated Annotations in Run Mode

Text	Name	Checked
Design Mode	radioButton1	True
Run Mode	radioButton2	False