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 "WPF 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 (For a VB project, right-click on the project file in solution explorer), and select "Add Reference…" from the context menu. In the "Add Reference" dialog box, select the ".NET" tab and browse to the "<LEADTOOLS_INSTALLDIR>\Bin\DotNet\Win32 " folder and select the following DLLs:
- Leadtools.Windows.Annotations.dll
- Leadtools.Windows.Controls.dll
- Leadtools.Windows.Media.Transitions.dll
Click the Select button and then press the OK button to add the above DLLs to the application.
- Open Window1.xaml file and replace it by the following: [Visual Basic]
<Window x:Class="Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Using_Non_Automated_Annotations_in_Run_Mode" Height="300" Width="300"
Loaded="WindowLoaded"
xmlns:Leadtools_Windows_Controls="clr-namespace:Leadtools.Windows.Controls;assembly="Leadtools.Windows.Controls"
>
<StackPanel>
<RadioButton Name="rbDesignMode" GroupName="UserMode" Content="Design Mode" IsChecked="True" Checked="CheckedChanged"/>
<RadioButton Name="rbRunMode" GroupName="UserMode" Content="Run Mode" Checked="CheckedChanged"/>
<Separator/>
<Leadtools_Windows_Controls:ImageViewer x:Name="imageViewer1" Width="NaN" Height="NaN"/>
</StackPanel>
</Window>
[C#]
<Window x:Class="Using_Non_Automated_Annotations_in_Run_Mode.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Using_Non_Automated_Annotations_in_Run_Mode" Height="300" Width="300"
Loaded="WindowLoaded"
xmlns:Leadtools_Windows_Controls="clr-namespace:Leadtools.Windows.Controls;assembly="Leadtools.Windows.Controls"
>
<StackPanel>
<RadioButton Name="rbDesignMode" GroupName="UserMode" Content="Design Mode" IsChecked="True" Checked="CheckedChanged"/>
<RadioButton Name="rbRunMode" GroupName="UserMode" Content="Run Mode" Checked="CheckedChanged"/>
<Separator/>
<Leadtools_Windows_Controls:ImageViewer x:Name="imageViewer1" Width="NaN" Height="NaN"/>
</StackPanel>
</Window>
- Switch to Window1 code view (for VB project right-click Window1 in the solution explorer then select View Code and for C# project open Window1.xaml.cs file) and add the following lines at the beginning of the file: [Visual Basic]
Imports Leadtools.Windows.Annotations
[C#]
using Leadtools.Windows.Annotations;
- 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 the following functions code to class Window1: [Visual Basic]
Private Sub WindowLoaded(ByVal sender As Object, ByVal e As RoutedEventArgs)
' load the main image into our viewer
imageViewer1.Source = New BitmapImage(New Uri("C:\Users\Public\Documents\LEADTOOLS Images\eye.gif"))
' we are in design mode now
currentUserMode = UserModeEnum.DesignMode
If (Not imageViewer1.Source Is Nothing) Then
' initialize the AnnContainer object and associate it with rasterImageViewer1 image
annContainerObj = New AnnContainer()
annContainerObj.Width = imageViewer1.Source.Width
annContainerObj.Height = imageViewer1.Source.Height
' set the annContainerObj as a content of ImageViewer.
imageViewer1.Content = annContainerObj
' create Annotation Button Object and add it to the container
annContainerObj.Children.Add(CreateAnnButtonObject(New Rect(1, 1, annContainerObj.Width / 4, annContainerObj.Height / 4)))
' create Annotation Note Object and add it to the container
annContainerObj.Children.Add(CreateAnnNoteObject(New Rect(annContainerObj.Width / 2, annContainerObj.Height / 2, (annContainerObj.Width / 4) - 1, (annContainerObj.Height / 4) - 1)))
'handle the container MouseLeftButtonDown event
AddHandler annContainerObj.MouseLeftButtonDown, New MouseButtonEventHandler(AddressOf annContainerObj_MouseLeftButtonDown)
End If
End Sub
Sub annContainerObj_MouseLeftButtonDown(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
If (imageViewer1.Source Is Nothing) Then
Return
End If
If (currentUserMode = UserModeEnum.RunMode) Then
Dim obj As AnnObject = annContainerObj.HitTest(e.GetPosition(annContainerObj))
If ((Not obj Is Nothing) AndAlso ((TypeOf obj Is AnnButtonObject) Or (TypeOf obj Is AnnNoteObject))) Then
If (TypeOf obj Is AnnButtonObject) Then
Dim buttonObj As AnnButtonObject = obj
buttonObj.IsPushed = True
HandleHyperLink(buttonObj)
buttonObj.IsPushed = False
Else
Dim annNoteObj As AnnNoteObject = obj
HandleHyperLink(annNoteObj)
End If
End If
End If
End Sub
Private Sub CheckedChanged(ByVal sender As Object, ByVal e As RoutedEventArgs)
UserModeChanged(sender)
End Sub
Private Sub UserModeChanged(ByVal sender As Object)
currentUserMode = IIf(sender Is rbDesignMode, UserModeEnum.DesignMode, UserModeEnum.RunMode)
End Sub
Private Function CreateAnnButtonObject(ByVal boundingRect As Rect) As AnnObject
Dim annButtonObj As AnnButtonObject = New AnnButtonObject()
annButtonObj.Text = "Click me"
annButtonObj.Stroke = Colors.Red
annButtonObj.StrokeThickness = 3
annButtonObj.Fill = Colors.Yellow
annButtonObj.FontFamilyName = "Arial"
annButtonObj.FontSize = 14
annButtonObj.FontWeight = AnnFontWeight.Bold
annButtonObj.Hyperlink = "www.leadtools.com"
annButtonObj.Rect = boundingRect
Return annButtonObj
End Function
Private Function CreateAnnNoteObject(ByVal boundingRect As Rect) As AnnObject
Dim annNoteObj As AnnNoteObject = New AnnNoteObject()
annNoteObj.Text = "This is my Text"
annNoteObj.Stroke = Colors.Red
annNoteObj.StrokeThickness = 3
annNoteObj.Fill = Colors.Yellow
annNoteObj.FontFamilyName = "Arial"
annNoteObj.FontSize = 14
annNoteObj.FontWeight = AnnFontWeight.Bold
annNoteObj.Hyperlink = "Notepad.exe"
annNoteObj.Rect = boundingRect
Return annNoteObj
End Function
Private Sub HandleHyperLink(ByVal obj As AnnObject)
If (Not obj.Hyperlink = String.Empty) Then
Try
System.Diagnostics.Process.Start(obj.Hyperlink)
Catch ex As Exception
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Exclamation)
End Try
End If
End Sub
[C#]
private void WindowLoaded(object sender, RoutedEventArgs e)
{
// load the main image into our viewer
imageViewer1.Source = new BitmapImage(new Uri(@"C:\Users\Public\Documents\LEADTOOLS Images\eye.gif"));
// we are in design mode now
currentUserMode = UserModeEnum.DesignMode;
if(imageViewer1.Source != null)
{
// initialize the AnnContainer object and associate it with rasterImageViewer1 image
annContainerObj = new AnnContainer();
annContainerObj.Width = imageViewer1.Source.Width;
annContainerObj.Height = imageViewer1.Source.Height;
// set the annContainerObj as a content of ImageViewer.
imageViewer1.Content = annContainerObj;
// create Annotation Button Object and add it to the container
annContainerObj.Children.Add(CreateAnnButtonObject(new Rect(1, 1, annContainerObj.Width / 4, annContainerObj.Height / 4)));
// create Annotation Note Object and add it to the container
annContainerObj.Children.Add(CreateAnnNoteObject(new Rect(annContainerObj.Width / 2, annContainerObj.Height / 2, (annContainerObj.Width / 4) - 1, (annContainerObj.Height / 4) - 1)));
//handle the container MouseLeftButtonDown event
annContainerObj.MouseLeftButtonDown += new MouseButtonEventHandler(annContainerObj_MouseLeftButtonDown);
}
}
void annContainerObj_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if(imageViewer1.Source == null)
return;
if(currentUserMode == UserModeEnum.RunMode)
{
AnnObject obj = annContainerObj.HitTest(e.GetPosition(annContainerObj));
if(obj != null && ((obj is AnnButtonObject) || (obj is AnnNoteObject)))
{
if(obj is AnnButtonObject)
{
AnnButtonObject buttonObj = obj as AnnButtonObject;
buttonObj.IsPushed = true;
HandleHyperLink(buttonObj);
buttonObj.IsPushed = false;
}
else
{
AnnNoteObject annNoteObj = obj as AnnNoteObject;
HandleHyperLink(annNoteObj);
}
}
}
}
private void CheckedChanged(object sender, RoutedEventArgs e)
{
UserModeChanged(sender);
}
private void UserModeChanged(object sender)
{
currentUserMode = (sender == rbDesignMode) ? UserModeEnum.DesignMode : UserModeEnum.RunMode;
}
private AnnObject CreateAnnButtonObject(Rect boundingRect)
{
AnnButtonObject annButtonObj = new AnnButtonObject();
annButtonObj.Text = "Click me";
annButtonObj.Stroke = Colors.Red;
annButtonObj.StrokeThickness = 3;
annButtonObj.Fill = Colors.Yellow;
annButtonObj.FontFamilyName = "Arial";
annButtonObj.FontSize = 14;
annButtonObj.FontWeight = AnnFontWeight.Bold;
annButtonObj.Hyperlink = "www.leadtools.com";
annButtonObj.Rect = boundingRect;
return annButtonObj;
}
private AnnObject CreateAnnNoteObject(Rect boundingRect)
{
AnnNoteObject annNoteObj = new AnnNoteObject();
annNoteObj.Text = "This is my Text";
annNoteObj.Stroke = Colors.Red;
annNoteObj.StrokeThickness = 3;
annNoteObj.Fill = Colors.Yellow;
annNoteObj.FontFamilyName = "Arial";
annNoteObj.FontSize = 14;
annNoteObj.FontWeight = AnnFontWeight.Bold;
annNoteObj.Hyperlink = "Notepad.exe";
annNoteObj.Rect = boundingRect;
return annNoteObj;
}
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", MessageBoxButton.OK, MessageBoxImage.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.