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AngleSharp

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3 Jul 2013BSD28 min read 261.3K   4.3K   166  
Bringing the DOM to C# with a HTML5/CSS3 parser written in C#.
<Page x:Class="Samples.Pages.Sheets"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:mui="http://firstfloorsoftware.com/ModernUI"
      mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="300" Title="Sheets">

    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition Width="80" />
        </Grid.ColumnDefinitions>

        <Grid.RowDefinitions>
            <RowDefinition Height="40" />
            <RowDefinition />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>

        <TextBox Grid.Row="0"
                 Grid.Column="0"
                 Padding="5"
                 x:Name="Url"
                 KeyDown="UrlKeyDown"
                 Style="{StaticResource UrlHint}"
                 Margin="0 5 5 5" />
        <Button Grid.Row="0"
                Click="Button_Click"
                Grid.Column="1"
                Margin="5 5 0 5">
            Go
        </Button>

        <TextBlock Grid.Row="2"
                   Text="{Binding Status}"
                   Grid.Column="0"
                   Grid.ColumnSpan="2" 
                   Foreground="SteelBlue"
                   FontWeight="Bold" />

        <Grid Grid.Column="0"
              Grid.Row="1"
              Grid.ColumnSpan="2">
            
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="6" />
                <ColumnDefinition Width="*" />
            </Grid.ColumnDefinitions>

            <ScrollViewer Grid.Column="0"
                          Margin="{StaticResource SplitLeft}">
                <ListBox ItemsSource="{Binding Source}"
                         SelectedItem="{Binding Selected}">
                    
                    <ListBox.ItemTemplate>
                        <DataTemplate>
                            
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Padding="5"
                                           Foreground="Black"
                                           Background="LightGray"
                                           Margin="3">
                                    
                                    <TextBlock.Style>
                                        <Style TargetType="{x:Type TextBlock}">
                                            <Setter Property="Text"
                                                    Value="{Binding Href}"/>
                                            
                                            <Style.Triggers>

                                                <DataTrigger Binding="{Binding Path=Href.Length, FallbackValue=0, TargetNullValue=0}"
                                                             Value="0">
                                                    <Setter Property="Text"
                                                            Value="&lt;inlined&gt;"/>
                                                    
                                                    <Setter Property="Foreground"
                                                            Value="DarkGray"/>
                                                </DataTrigger>
                                                
                                            </Style.Triggers>
                                        </Style>
                                    </TextBlock.Style>
                                </TextBlock>
                            </StackPanel>
                            
                        </DataTemplate>
                    </ListBox.ItemTemplate>
                    
                </ListBox>
            </ScrollViewer>
            
            <GridSplitter Grid.Column="1" />
            
            <ScrollViewer Grid.Column="2"
                          Margin="{StaticResource SplitRight}">
                <TreeView ItemsSource="{Binding Tree}">

                    <TreeView.ItemContainerStyle>
                        <Style TargetType="{x:Type TreeViewItem}">

                            <Setter Property="FontWeight"
                                    Value="Normal" />

                            <Style.Triggers>
                                <Trigger Property="IsSelected" Value="True">
                                    <Setter Property="FontWeight" Value="Bold" />
                                </Trigger>

                            </Style.Triggers>
                        </Style>
                    </TreeView.ItemContainerStyle>

                    <TreeView.ItemTemplate>
                        <HierarchicalDataTemplate ItemsSource="{Binding Children}">

                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="{Binding Name}"
                                           Padding="5"
                                           Margin="3" />

                                <TextBlock Text="{Binding TypeName}"
                                           Margin="3"
                                           Padding="5"
                                           Background="LightGray" 
                                           Foreground="DarkGray" />
                            </StackPanel>

                        </HierarchicalDataTemplate>
                    </TreeView.ItemTemplate>

                </TreeView>
            </ScrollViewer>
        </Grid>
    </Grid>
</Page>

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License

This article, along with any associated source code and files, is licensed under The BSD License


Written By
Chief Technology Officer
Germany Germany
Florian lives in Munich, Germany. He started his programming career with Perl. After programming C/C++ for some years he discovered his favorite programming language C#. He did work at Siemens as a programmer until he decided to study Physics.

During his studies he worked as an IT consultant for various companies. After graduating with a PhD in theoretical particle Physics he is working as a senior technical consultant in the field of home automation and IoT.

Florian has been giving lectures in C#, HTML5 with CSS3 and JavaScript, software design, and other topics. He is regularly giving talks at user groups, conferences, and companies. He is actively contributing to open-source projects. Florian is the maintainer of AngleSharp, a completely managed browser engine.

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