Media Namespace WPF

WPF > Windows > Media

Media enable integration of rich media:

• drawings
• text
• audio/video content

Classes

• VisualTreeHelper

Extract the Text Content from a RichTextBox

WPF > Windows > Documents > TextRange

TextRange is a selection of content between two TextPointer positions.

Example

Extract the Text Content from a RichTextBox

 TextRange textRange = new TextRange(richTB.Document.ContentStart,   richTB.Document.ContentEnd);

WPF Documents Namespace

WPF > Windows > Documents

WPF Documents contains types that support FixedDocument, FlowDocument and XPS document creation. 

• TextRange

Menu WPF Example

WPF > Controls > Menu

Menu presents a list of items that specify commands or options for an application. Typically, clicking an item on a menu opens a submenu or causes an application execute a command.


Example

<Window x:Class="MapDecision.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="525">

    <DockPanel>

        <Menu DockPanel.Dock="Top">

            <MenuItem Header="_File">

                <MenuItem Header="_New"/>

                <MenuItem Header="_Open"/>

                <MenuItem Header="_Close"/>

                <MenuItem Header="_Save"/>

            </MenuItem>

        </Menu>

        <StackPanel></StackPanel>

    </DockPanel>

</Window>

MultiBinding WPF Example

WPF > Windows > Data > MultiBinding

Represents a collection of Binding objects attached to a single binding target property.

Example

XAML

<Window x:Class="WpfApplication4.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="525"

        xmlns:local="clr-namespace:WpfApplication4">

    <Window.Resources>

        <local:NameConvertor x:Key="nameConvertor"></local:NameConvertor>

    </Window.Resources>

    <Grid>

        <Grid>

            <TextBlock HorizontalAlignment="Left" Margin="20,30,0,0" TextWrapping="Wrap" Text="First Name" VerticalAlignment="Top"/>

            <TextBox x:Name="txtFirstName" HorizontalAlignment="Left" Height="23" Margin="86,27,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>

            <TextBlock HorizontalAlignment="Left" Margin="20,68,0,0" TextWrapping="Wrap" Text="Last Name" VerticalAlignment="Top"/>

            <TextBox x:Name="txtLastName" HorizontalAlignment="Left" Height="23" Margin="86,65,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>

            <TextBlock HorizontalAlignment="Left" Margin="20,110,0,0" TextWrapping="Wrap" Text="Full Name" VerticalAlignment="Top"/>

            <TextBox x:Name="txtLastName_Copy" HorizontalAlignment="Left" Height="23" Margin="86,107,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="267">

                <TextBox.Text>

                    <MultiBinding Converter="{StaticResource nameConvertor}" UpdateSourceTrigger="PropertyChanged">

                        <Binding ElementName="txtFirstName" Path="Text" />

                        <Binding ElementName="txtLastName" Path="Text" />

                    </MultiBinding>

                </TextBox.Text>

            </TextBox>

        </Grid>

    </Grid>

</Window>

C#

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

namespace WpfApplication4

{

    public class NameConvertor : IMultiValueConverter

    {

        public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)

        {

            return String.Concat(values[0], ",", values[1]);

        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)

        {

            return (value as string).Split(',');

        }

    }

    /// <summary>

    /// Interaction logic for MainWindow.xaml

    /// </summary>

    public partial class MainWindow : Window

    {

        public MainWindow()

        {

            InitializeComponent();

        }

    }

}

Data Namespace WPF

WPF > Windows > Data Namespace

Contains classes used for binding properties to data sources

• MultiBinding

ComboBoxItem WPF Example

WPF > Controls  > ContentControl > ComboBoxItem 

ComboBoxItem represent an item in a ComboBox.


Example:

XAML

<Window x:Class="WpfApplication3.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="525">

    <Grid>

        <ComboBox x:Name="cbo" HorizontalAlignment="Left" VerticalAlignment="Top" Width="120" SelectionChanged="ComboBox_SelectionChanged">

            <ComboBoxItem>Option1</ComboBoxItem>

            <ComboBoxItem>Option2</ComboBoxItem>

        </ComboBox>

    </Grid>

</Window>

C#

private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)

{

  string value = ((ComboBoxItem)cbo.SelectedItem).Content.ToString();

}