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How to use Image Brush in Silverlight and Windows phone applications?

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This article demonstrates how to create and use an image brush in Silverlight using XAML and C#.

Image Brush

An image brush paints an area with an image. The ImageSource property represents the image to be used during the painting by an image brush. The ImageBrush object represents an image brush. 

Creating an Image Brush

The ImageBrush element in XAML creates an image brush. The ImageSource property of the ImageBrush represents the image used in the painting process.

The following code snippet creates an image brush and sets the ImageSource property to an image.

<ImageBrush ImageSource="dock.jpg" />

We can fill a shape with an image brush by setting a shape's Fill property to the image brush. The code snippet in Listing 1 creates a rectangle shape sets the Fill property to an ImageBrush.







        <ImageBrush ImageSource="dock.jpg" />



Listing 1

The output looks like Figure 1.



Figure 1

The CreateAnImageBrush method listed in Listing 2 draws same rectangle with an image brush in Figure 1 dynamically.

/// <summary>

/// Fills a rectangle with an ImageBrush

/// </summary>

public void CreateAnImageBrush()


    // Create a Rectangle

    Rectangle blueRectangle = new Rectangle();

    blueRectangle.Height = 100;

    blueRectangle.Width = 200;


    // Create an ImageBrush

    ImageBrush imgBrush = new ImageBrush();


    imgBrush.ImageSource =

        new BitmapImage(new Uri(@"Dock.jpg", UriKind.Relative));


    // Fill rectangle with an ImageBrush

    blueRectangle.Fill = imgBrush;


    // Add Rectangle to the Grid.



Listing 2


In this article, we saw how to create and use an image brush in Silverlight using XAML and C#.

posted Dec 9, 2015 by Jdk

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In this article we will explore on Pie Chart in Silverlight 3. Pie Chart comes with Silverlight 3 Toolkit.

Crating Silverlight Project

Fire up Expression Blend 3 and create a Silverlight Application. Name it as PieChartInSL3.



Go ahead and add a Pie Series into your application.

You can find it in Asset Library.


By adding a Pie Series, you just added an Assembly System.Windows.Controls.DataVisualization.

And Blend automatically refers to the Namespace.

If you see the xaml code behind you will find the following:


Now we will add some data into it.

Create a class called Appointment and add the following code into it.

public class Appointment


        public int Id { get; set; }

        public string AppName { get; set; }

        public string AppointmentDetails { get; set; }

        public int Duration { get; set; }


        public Appointment()




        public Appointment(int id, string appName, string appointmentDetails, int duration)


            Id = id;

            AppName = appName;

            AppointmentDetails = appointmentDetails;

            Duration = duration;




Pie Series takes Key Value pair as it's data. So we will create a class named AppointmentHelper which will convert a Dictionary to Key Value Pair.


public static Dictionary<String, int> GetTimeDistribution(this List<Appointment> appts)


            Dictionary<String, int> myTimeDistribution = new Dictionary<string, int>();


            var appointments = (from time in appts

                                select time.AppName).Distinct();


            foreach (var app in appointments)


                var time = (from pjts in appts

                            where pjts.AppName == app

                            select pjts.Duration).Sum();


                myTimeDistribution.Add(app, time);



            return myTimeDistribution;



Now we will add values.

List<Appointment> appointments;


                                public MainPage()






        private List<AppointmentDTO> CreateTimeLists()


            appointments = new List<Appointment>


                new Appointment { Id=1, AppName="Meeting", AppointmentDetails="Video COnference", Duration=30},

                new Appointment { Id=1, AppName="Call", AppointmentDetails="Audio COnference", Duration=90},

                new Appointment { Id=1, AppName="Session", AppointmentDetails="Session for Silverlight", Duration=120}


            return appointments;


Now we will bind our data to Pie Series.

<chartingToolkit:Chart x:Name="TypicalChart" Title="Typical Pie Chart">


                <chartingToolkit:PieSeries Margin="0,0,20,20" d:LayoutOverrides="Width, Height" Title="Pie Chart Sample"IndependentValueBinding="{Binding Path=Key}"

                    DependentValueBinding="{Binding Path=Value}"/>



As you see from the above code I have added two properties as IndependentValueBinding and DependentValueBinding. We need to give the Binding Path to respective key and value.

Now Type cast the chart to Pie Series and assign the ItemSource property.

private void UserControl_Loaded(object sender, RoutedEventArgs e)


            ((PieSeries)TypicalChart.Series[0]).ItemsSource = appointments.GetTimeDistribution();



Now go ahead run the application to see the Pie Chart.


That's it you have successfully used Pie Series in Silverlight 3.


The GroupBox element in XAML is used to add a header to an area and within that area you can place controls. By default, a GroupBox can have one child but multiple child controls can be added by placing a container control on a GroupBox such as a Grid or StackPanel.

How to create a GroupBox in WPF and Windows phone application,.

The GroupBox element in XAML represents a GroupBox control. The following code snippet creates a GroupBox control and sets its background and font. The code also sets the header using GroupBox.Header. 

  1. <Window x:Class="GroupBoxSample.Window1"  
  2.     xmlns=""  
  3.     xmlns:x=""  
  4.     Title="Window1" Height="300" Width="300">  
  5.     <Grid>  
  6.         <GroupBox Margin="10,10,10,10" FontSize="16" FontWeight="Bold"  
  7.                   Background="LightGray">  
  8.             <GroupBox.Header>                  
  9.                Mindcracker Network  
  10.             </GroupBox.Header>   
  12.             <TextBlock FontSize="12" FontWeight="Regular">  
  13.                 This is a group box control content.                  
  14.             </TextBlock>               
  16.         </GroupBox>  
  18.     </Grid>  
  19. </Window>  

The output looks like this.


Calendar Events

Besides the normal control events, the Calendar control has three events calendar related events. These events are the DisplayDateChanged, DisplayModeChanged and SelectedDatesChanged. The DisplayDateChanged event is fired where the DisplayDate property is changed. The DisplayModeChanged event is fired when the DisplayMode property is changed. The SelectedDatesChanged event is fired when the SelectedDate or SelectedDates properties are changed. The following code snippet sets these three events attributes. 

<Calendar SelectionMode="SingleRange"  

The code behind for these events look as in Listing 4. 

private void MonthlyCalendar_SelectedDatesChanged(object sender,   
    SelectionChangedEventArgs e)  
private void MonthlyCalendar_DisplayDateChanged(object sender,   
    CalendarDateChangedEventArgs e)  
private void MonthlyCalendar_DisplayModeChanged(object sender,   
    CalendarModeChangedEventArgs e)  

Listing 4

Normally, on a date selection, you may want to capture that event and know what the current selected date is. Now how about we add a TextBox control to the page and on the date selection, we will set the text of the TextBox to the currently selected date. 

We add the following code to the XAML just below the Calendar control. <TextBox Width="200" Height="30"  

On the SelectedDateChanged event handler, we set the TextBox.Text property to the SelectedDate property of the Calendar control as you can see from the code in Listing 5. 

private void MonthlyCalendar_SelectedDatesChanged(object sender,   
    SelectionChangedEventArgs e)  
    SelectedDateTextBox.Text = MonthlyCalendar.SelectedDate.ToString();  

Listing 5

Now when you run the application, you will see the output that looks as in Figure 10. When you select a date in the Calendar, it will be displayed in the TextBox. 

Figure 10

Formatting a Calendar

How about we create a Calendar control with a border formatting, background and foreground of the Calendar?

The BorderBrush property of the Calendar sets a brush to draw the border of a Calendar. You may use any brush to fill the border. The following code snippet uses a linear gradient brush to draw the border with a combination of the colors Red and Blue.

   <LinearGradientBrush StartPoint="0,0" EndPoint="1,1" >  
      <GradientStop Color="Blue" Offset="0" />  
      <GradientStop Color="Red" Offset="1.0" />  

The Background and Foreground properties of the Calendar set the background and foreground colors of a Calendar. You may use any brush to fill the border. The following code snippet uses linear gradient brushes to draw the background and foreground of a Calendar. 

    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1" >  
        <GradientStop Color="Blue" Offset="0.1" />  
        <GradientStop Color="Orange" Offset="0.25" />  
        <GradientStop Color="Green" Offset="0.75" />  
        <GradientStop Color="Red" Offset="1.0" />  
    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1" >  
        <GradientStop Color="Black" Offset="0.25" />  
        <GradientStop Color="Green" Offset="1.0" />  

The new Calendar looks as in Figure 11. 

Figure 11

Setting Image as Background of a Calendar

To set an image as the background of a Calendar, we can set an image as the Background of the Calendar. The following code snippet sets the background of a Calendar to an image. The code also sets the opacity of the image.

   <ImageBrush ImageSource="Garden.jpg" Opacity="0.3"/>  

The new output looks as in Figure 12.

Figure 12

Creating a Calendar Dynamically

The code listed in Listing 6 creates a Calendar control programmatically. First, it creates a Calendar object and sets its DisplayMode and SelectedMode and other properties and later the Calendar is added to the LayoutRoot. 

private void CreateDynamicCalendar()  
    Calendar MonthlyCalendar = new Calendar();  
    MonthlyCalendar.Name = "MonthlyCalendar";  
    MonthlyCalendar.Width = 300;  
    MonthlyCalendar.Height = 400;  
    MonthlyCalendar.Background = Brushes.LightBlue;  
    MonthlyCalendar.DisplayMode = CalendarMode.Month;  
    MonthlyCalendar.SelectionMode = CalendarSelectionMode.SingleRange;  
    MonthlyCalendar.DisplayDateStart = new DateTime(2010, 3, 1);  
    MonthlyCalendar.DisplayDateEnd = new DateTime(2010, 3, 31);  
    MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 5));  
    MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 15));  
    MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 25));    
    MonthlyCalendar.FirstDayOfWeek = DayOfWeek.Monday;  
    MonthlyCalendar.IsTodayHighlighted = true;    

Listing 6


In this article, I discussed the calendar control using XAML and C#. We also saw how to set display modes, selection modes, blackout dates, selected dates, border, background and foreground properties. After that, we saw you to set an image as the background of a Calendar. In the end of this article, we saw how to create a Calendar dynamically.


The following code snippet adds blackout dates to a Calendar. 

   <CalendarDateRange Start="3/1/2010" End="3/7/2010"/>  
   <CalendarDateRange Start="3/8/2010" End="3/8/2010"/>  
   <CalendarDateRange Start="3/15/2010" End="3/15/2010"/>  
   <CalendarDateRange Start="3/22/2010" End="3/22/2010"/>  
   <CalendarDateRange Start="3/29/2010" End="3/29/2010"/>  

We can do this by adding the code listed in Listing 2. As you can see from Listing 3, the BlackoutDates.Add method takes a CalendarDateRange object, that is a collection of two DateTime objects. The first date is the start date of the range and the second date is the end date of the date range. 

private void SetBlackOutDates()  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
        new DateTime(2010, 3, 1),  
        new DateTime(2010, 3, 7)  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
        new DateTime(2010, 3, 8),  
        new DateTime(2010, 3, 8)  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
      new DateTime(2010, 3, 15),  
      new DateTime(2010, 3, 15)  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
      new DateTime(2010, 3, 22),  
      new DateTime(2010, 3, 22)  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
      new DateTime(2010, 3, 29),  
      new DateTime(2010, 3, 29)  

Listing 2

DisplayDateStart and DisplayDateEnd

The Calendar control allows you to set the start and end display dates using the DisplayDateStart and DisplayDateEnd properties. If you see Figure 5 in the previous section, you may notice the March 2010 month calendar display starts with the March 01, 2010 date. But now, what if you want to display the dates for only the month of March 2010? We can use the DisplayStartDate and DisplayEndDate properties to control the start and end dates of a month. 

DisplayDate property represents the current date to display. 

The following code snippet sets the DisplayDate, DisplayDateStart and DisplayDateEnd attributes of the Calendar element in XAML.

<Calendar Name="MonthlyCalendar"   

The code listed in Listing 3 makes sure the start date is March 01, 2010 and end date is March 31, 2010. The current selected date is March 05. 

private void SetDisplayDates()  
   MonthlyCalendar.DisplayDate = new DateTime(2010, 3, 5);  
   MonthlyCalendar.DisplayDateStart = new DateTime(2010, 3, 1);  
   MonthlyCalendar.DisplayDateEnd = new DateTime(2010, 3, 31);  

Listing 3

The new calendar looks as in Figure 6. 

Figure 6

FirstDayOfWeek and IsTodayHighlighted

By default, Sunday is the first day of the week. If you would like to change it, you use the FirstDayOfWeek property. The IsTodayHightlighted property is used to highlight today. 

The following code snippet sets the FirstDayOfWeek to Tuesday and makes today highlighted.

<Calendar Name="MonthlyCalendar"   
   xmlns:sys="clr-namespace:System;assembly=mscorlib" Margin="15,39,88,19">  

The following code snippet sets the FirstDayOfWeek to Tuesday and makes today highlighted in WPF.

MonthlyCalendar.FirstDayOfWeek = DayOfWeek.Tuesday;  
MonthlyCalendar.IsTodayHighlighted = true;

The new calendar looks as in Figure 7, where you can see the start day of the week is Tuesday.

Figure 7

Selected Date and Selected Dates

The SelectedDate property represents the current selected date. If multiple date selection is true then the SelectedDates property represents all the selected dates in a Calendar. The following code snippet sets the SelectedDates in XAML at design-time. 

<Calendar Name="MonthlyCalendar"   
    xmlns:sys="clr-namespace:System;assembly=mscorlib" Margin="15,39,88,19">    

The selected dates in a Calendar looks as in Figure 8 where you can see March 5th, 15th and 25th have a light blue background and represents the selected dates. 

Figure 8

The following code snippet sets the SelectedDates property in WPF at run-time. 

private void AddSelectedDates()  
   MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 5));  
   MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 15));  
   MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 25));  

Note: If you have set the selected dates to any of the blackout dates, you will see the parser in XAML will throw an error as in Figure 9. 

Figure 9


A calendar control is used to create a visual calendar that lets users pick a date and fire an event on the selection of the date. This article demonstrates how to create and use a calendar control using XAML and C# in WPF.

Creating a Calendar

The Calendar element represents a calendar control in XAML as in the following:

  1. <Calendar/>  

The Calendar control is defined in the System.Windows.Controls namespace. When you drag and drop a Calendar control from the Toolbox to the page, the XAML code will look like the following code where you can see a Calendar XAML element has been added within the Grid element and its Width, Height, Name and VerticalAlignment and HorizontalAlignment attributes are set.

  1. <Grid>  
  2.    <Calendar Height="170" HorizontalAlignment="Left" Margin="58,32,0,0"   
  3.       Name="calendar1" VerticalAlignment="Top" Width="180" />  
  4. </Grid>  

The default view of the Calendar control looks as in Figure 1. 

Figure 1

The Width and Height attributes of the Calendar element represent the width and the height of a Calendar. The Content attribute represents the text of a Calendar. The Name attribute represents the name of the control, that is a unique identifier of a control. 

The code snippet in Listing 1 creates a Calendar control and sets the name, height and width properties of a Calendar control. 

  1. <Calendar Name=" MonthlyCalendar" Height="30" Width="100" >  
  2. </Calendar>  

Listing 1

Display Modes

The DisplayMode property of the Calendar class represents the format of the display of a Calendar, that can be a month, year, or decade. Month is the default mode. Setting the DisplayMode to Year and Decade generates Figure 2 and Figure 3 respectively. 

Figure 2

Figure 3

The Month view that is also the default view looks as in Figure 4.

Figure 4

If you use an example of the Decade and click on the year 2008 in Figure 3, you will get another Calendar format with all the months in the year 2008 and if you click on any month, you will eventually get the month view of the Calendar. 

The following code snippet sets the DisplayMode property to Decade. 

  1. <Calendar DisplayMode="Decade">   
  2. </Calendar>  

Selection Modes and Selection Dates

The SelectedDate property represents the currently selected date. If multiple dates selection is true, the SelectedDates property represents a collection of currently selected dates. 

The SelectionMode of type CalendarSelectionMode enumeration represents the selection mode of calendar. Table 1 describes the CalendarSelectionMode enumeration and its members. 

NoneNo selections are allowed.
SingleDateOnly a single date can be selected, either by setting SelectedDate or the first value in SelectedDates. AddRange cannot be used.
SingleRangeA single range of dates can be selected. Setting SelectedDate, adding a date individually to SelectedDates, or using AddRange will clear all previous values from SelectedDates.
MultipleRangeMultiple non-contiguous ranges of dates can be selected. Adding a date individually to SelectedDates or using AddRange will not clear SelectedDates. Setting SelectedDate will still clear SelectedDates, but additional dates or range can then be added. Adding a range that includes some dates that are already selected or overlaps with another range results in the union of the ranges and does not cause an exception.

The following code snippet sets the SelectionMode property to a single range.

  1. <Calendar SelectionMode="SingleRange">  
  2. </Calendar>  


The BlackoutDates property of the Calendar class represents a collection of dates that are not available for selection. All non-selection dates are marked by a cross. For example, say in the month of March of the year 2010, we would like to block the dates from Jan 1st to Jan 7th and then all Sundays and the final calendar should look as in Figure 5.

Figure 5

Part 2 Continuous..



The RichTextBox control allows you to view and edit text, paragraph, images, tables and other rich text format contents. 

The RichTextBox tag represents a RichTextBox control in XAML. 


The Width and Height properties represent the width and the height of a RichTextBox. The Name property represents the name of the control, that is a unique identifier of a control. The Margin property tells the location of a RichTextBox on the parent control. The HorizontalAlignment andVerticalAlignment properties are used to set horizontal and vertical alignments. 

The following code snippet sets the name, height and width of a RichTextBox control. The code also sets the horizontal alignment to left and the vertical alignment to top. 

<RichTextBox Margin="10,10,0,13" Name="RichTextBox1" HorizontalAlignment="Left"   

                 VerticalAlignment="Top" Width="500" Height="300" />  

Displaying and Edit Text 

RichTextBox control hosts a collection of RichTextBoxItem. The following code snippet adds items to a RichTextBox control.


<RichTextBox Margin="10,10,0,13" Name="RichTextBox1" HorizontalAlignment="Left"   
             VerticalAlignment="Top" Width="500" Height="300">  
            I am a flow document. Would you like to edit me?  
            <Bold>Go ahead.</Bold>                  
        <Paragraph Foreground="Blue">            
            I am blue I am blue I am blue.    

The preceding code generates Figure 1 where you can begin editing text right away.

RichTextBox with editable text

Creating and Using RichTectBox Dynamically 

In the previous section, we saw how to create and use a RichTextBox in XAML. WPF provides the RichTextBox class that represents a RichTextBox control. In this section, we will see how to use this class to create and use a RichTextBox control dynamically. 

The code listed in Listing 1 creates a FlowDocument, adds a paragraph to the flow document and sets the Document property of the RichTextBox to FlowDocument.


private void CreateAndLoadRichTextBox()  
    // Create a FlowDocument  
    FlowDocument mcFlowDoc = new FlowDocument();  
    // Create a paragraph with text  
    Paragraph para = new Paragraph();  
    para.Inlines.Add(new Run("I am a flow document. Would you like to edit me? "));  
    para.Inlines.Add(new Bold(new Run("Go ahead.")));  
    // Add the paragraph to blocks of paragraph  
    // Create RichTextBox, set its hegith and width  
    RichTextBox mcRTB = new RichTextBox();  
    mcRTB.Width = 560;  
    mcRTB.Height = 280;  
    // Set contents  
    mcRTB.Document = mcFlowDoc;  
    // Add RichTextbox to the container  

Listing 1

The output of Listing 1 generates Figure 2.

Listing 1 doc

Enable Spelling Check 

RichTextBox control comes with spell check functionality out-of-the-box. By setting theSpellCheck.IsEnabled property to true enables spell checking in a RichTextBox


You can set this in code as follows:

mcRTB.SpellCheck.IsEnabled = true;  

Now if you type some text, the wrong word would be underlined with the Red color. See in Figure 3.

RichTextBox with Spell Check Enabled

Loading a Document in RichTextBox
We can use the RichTextBox.Items.Remove or RichTextBox.Items.RemoveAt methods to delete an item from the collection of items in the RichTextBox. The RemoveAt method takes the index of the item in the collection. 
Now, we modify our application and add a new button called Delete Item. The XAML code for this button looks as in the following:  

private void LoadTextDocument(string fileName)  
    TextRange range;  
    System.IO.FileStream fStream;  
    if (System.IO.File.Exists(fileName))  
        range = new TextRange(RichTextBox1.Document.ContentStart, RichTextBox1.Document.ContentEnd);  
        fStream = new System.IO.FileStream(fileName, System.IO.FileMode.OpenOrCreate);  
        range.Load(fStream, System.Windows.DataFormats.Text );  


Data Binding with Controls

The last data binding type we will see is how to provide a data exchange between a ListBox and other controls using data binding in WPF.

We will create an application that looks as in Figure 12. In Figure 12, I have a ListBox with a list of colors, a TextBox and a Canvas. When we pick a color from the ListBox, the text of TextBox and color of Canvas changes dynamically to the color selected in the ListBox and this is possible to do all inXAML without writing a single line of code in the code behind file.

looks like Figure
                                                Figure 12.

The XAML code of the page looks as in following.

​       <StackPanel Orientation="Vertical">  
    <TextBlock Margin="10,10,10,10" FontWeight="Bold">  
        Pick a color from below list  
    <ListBox Name="mcListBox" Height="100" Width="100"  
             Margin="10,10,0,0" HorizontalAlignment="Left" >  
   <TextBox Height="23" Name="textBox1" Width="120" Margin="10,10,0,0" HorizontalAlignment="Left"  >  
            <Binding ElementName="mcListBox" Path="SelectedItem.Content"/>  
    <Canvas Margin="10,10,0,0" Height="200" Width="200" HorizontalAlignment="Left" >  
            <Binding ElementName="mcListBox" Path="SelectedItem.Content"/>  

If you look at the TextBox XAML code, you will see the Binding within the TextBox.Text property that sets the binding from TextBox to another control and another control ID is ElementName and another control's property is Path. So in the following code, we are setting the SelectedItem.Content property ofListBox to the TextBox.Text property. 


   <Binding ElementName="mcListBox" Path="SelectedItem.Content"/>  

Now the same applies to the Canvas.Background property, where we set it to theSelectedItem.Content of the ListBox. Now, every time you select an item in the ListBox, theTextBox.Text and Canvas.Background properties are set to that selected item in the ListBox.

   <Binding ElementName="mcListBox" Path="SelectedItem.Content"/>  


In this article, I explained how to create and use a ListBox control available in WPF and WP8. We saw how to add items to a ListBox, change item properties and add images add check boxes. In the end of this article, we saw how data binding works in ListBox and how to bind a ListBox with data coming from objects, databases and other controls. 

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