WPF

<Button Height="25"
        Width="75">

    <Viewbox Stretch="Uniform"
             Height="20"
             Width="20">

        <Canvas Height="122.88"
                Width="122.88">

            <Path Fill="Red"
                  Data="M73.48,15.84A46.87,46.87,0,0,1,84.87,21L91,14.84a7.6,7.6,0,0,1,10.72,0L108,21.15a7.6,7.6,0,0,1,0,10.72l-6.6,6.6a46.6,46.6,0,0,1,4.34,10.93h9.52A7.6,7.6,0,0,1,122.88,57V65.9a7.6,7.6,0,0,1-7.58,7.58h-9.61a46.83,46.83,0,0,1-4.37,10.81L108,91a7.6,7.6,0,0,1,0,10.72L101.73,108A7.61,7.61,0,0,1,91,108l-6.34-6.35a47.22,47.22,0,0,1-11.19,5v8.59a7.6,7.6,0,0,1-7.58,7.58H57a7.6,7.6,0,0,1-7.58-7.58v-7.76a47.39,47.39,0,0,1-12.35-4.68L31.87,108a7.62,7.62,0,0,1-10.72,0l-6.31-6.31a7.61,7.61,0,0,1,0-10.72l4.72-4.72A47.38,47.38,0,0,1,14,73.48H7.58A7.6,7.6,0,0,1,0,65.9V57A7.6,7.6,0,0,1,7.58,49.4h6.35a47.2,47.2,0,0,1,5.51-12.94l-4.6-4.59a7.62,7.62,0,0,1,0-10.72l6.31-6.31a7.6,7.6,0,0,1,10.72,0l5,5A46.6,46.6,0,0,1,49.4,15V7.58A7.6,7.6,0,0,1,57,0H65.9a7.6,7.6,0,0,1,7.58,7.58v8.26ZM59.86,36.68a24.6,24.6,0,1,1-24.6,24.59,24.59,24.59,0,0,1,24.6-24.59Z" />

        </Canvas>

    </Viewbox>

</Button>

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="MainWindow"
        Height="450"
        Width="800">
    <Grid>
        <Button Height="25"
                Width="75">

<pre>
        <Viewbox Stretch="Uniform"
                 Height="20"
                 Width="20">

            <Canvas Height="122.88"
                    Width="122.88">

            <Path Fill="Red"
                  Data="M73.48,15.84A46.87,46.87,0,0,1,84.87,21L91,14.84a7.6,7.6,0,0,1,10.72,0L108,21.15a7.6,7.6,0,0,1,0,10.72l-6.6,6.6a46.6,46.6,0,0,1,4.34,10.93h9.52A7.6,7.6,0,0,1,122.88,57V65.9a7.6,7.6,0,0,1-7.58,7.58h-9.61a46.83,46.83,0,0,1-4.37,10.81L108,91a7.6,7.6,0,0,1,0,10.72L101.73,108A7.61,7.61,0,0,1,91,108l-6.34-6.35a47.22,47.22,0,0,1-11.19,5v8.59a7.6,7.6,0,0,1-7.58,7.58H57a7.6,7.6,0,0,1-7.58-7.58v-7.76a47.39,47.39,0,0,1-12.35-4.68L31.87,108a7.62,7.62,0,0,1-10.72,0l-6.31-6.31a7.61,7.61,0,0,1,0-10.72l4.72-4.72A47.38,47.38,0,0,1,14,73.48H7.58A7.6,7.6,0,0,1,0,65.9V57A7.6,7.6,0,0,1,7.58,49.4h6.35a47.2,47.2,0,0,1,5.51-12.94l-4.6-4.59a7.62,7.62,0,0,1,0-10.72l6.31-6.31a7.6,7.6,0,0,1,10.72,0l5,5A46.6,46.6,0,0,1,49.4,15V7.58A7.6,7.6,0,0,1,57,0H65.9a7.6,7.6,0,0,1,7.58,7.58v8.26ZM59.86,36.68a24.6,24.6,0,1,1-24.6,24.59,24.59,24.59,0,0,1,24.6-24.59Z" />

            </Canvas>

        </Viewbox>

    </Button>
</Grid>

tbenner1960 wrote:

when I select an image for the background on a page in WPF

tbenner1960 wrote:

Is there a way to turn this off, and why is Visual Studio doing this?

<DataGrid>
    <DataGrid.Background>
        <ImageBrush TileMode="Tile" 
                    ImageSource="Images\Tile.bmp" 
                    Viewport="0,0,.2,.4" 
                    ViewportUnits="RelativeToBoundingBox" />
    </DataGrid.Background>
</DataGrid>

Maximilien wrote:

XAML

<components:MyListView DataContext="MyModel"/>

Maximilien wrote:

XAML

<ListView Margin="10" ItemsSource="{Binding Items}"/>

private void loopDir(DirectoryInfo folder, DataTable table, List<string> errors)
{
    try
    {
        foreach (DirectoryInfo subFolder in folder.EnumerateDirectories())
        {
            loopDir(subFolder, table, errors);
        }
        
        string pfad = folder.FullName.Substring(2);
        foreach (FileInfo file in folder.EnumerateFiles())
        {
            string extension = Path.GetExtension(file.Name);
            if (!fext.Contains(extension)) continue;
            
            table.Rows.Add(pfad, file.Name);
        }
    }
    catch (Exception ex)
    {
        errors.Add(ex.Message);
    }
}

private int ImportFiles(string initialFolder, List<string> errors)
{
    DirectoryInfo folder = new DirectoryInfo(initialFolder);
    DataTable table = new DataTable();
    table.Columns.Add("Pfad", typeof(string));
    table.Columns.Add("Datei", typeof(string));
    loopDir(folder, table, errors);
    
    if (table.Rows.Count == 0)
    {
        MessageBox.Show("No files found to import.", "Import", MessageBoxButton.OK, MessageBoxImage.Error);
        return 0;
    }
    
    using (SQLiteTransaction dbTrans = dbConn.BeginTransaction())
    {
        using (SQLiteCommand dbCom = new SQLiteCommand("DELETE FROM Dateien", dbConn, dbTrans))
        {
            dbCom.ExecuteNonQuery();
        }
        
        using (SQLiteCommand dbCom = new SQLiteCommand("INSERT INTO Dateien (Pfad, Datei) VALUES ($Pfad, $Datei)", dbConn, dbTrans))
        {
            SQLiteParameter pPfad = dbCom.CreateParameter();
            pPfad.ParameterName = "$Pfad";
            dbCom.Parameters.Add(pPfad);
            
            SQLiteParameter pDatei = dbCom.CreateParameter();
            pDatei.ParameterName = "$Datei";
            dbCom.Parameters.Add(pDatei);
            
            foreach (DataRow row in table.Rows)
            {
                pPfad.Value = row["Pfad"];
                pDatei.Value = row["Datei"];
                dbCom.ExecuteNonQuery();
            }
        }
        
        transaction.Commit();
    }
    
    return table.Rows.Count;
}

private void ButtonImport_Click(object sender, RoutedEventArgs e)
{
    Cursor cu = this.Cursor;
    this.Cursor = Cursors.Wait;
    try
    {
        const string initdir = @"H:\mp3\";
        List<string> errors = new List<string>();
        
        Stopwatch sw = Stopwatch.StartNew();
        int recordCount = ImportFiles(initdir);
        sw.Stop();
        
        string message = $"{recordCount} files saved in {sw.Elapsed.TotalMinutes:0.0} minutes.";
        if (errors.Count != 0) message += Environment.NewLine + Environment.NewLine + string.Join(Environment.NewLine, errors);

        MessageBox.Show(message, "Import", MessageBoxButton.OK, MessageBoxImage.Information);
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message, "Import Error", MessageBoxButton.OK, MessageBoxImage.Error);
    }
    finally
    {
        this.Cursor = cu;
    }
}

using (SQLiteCommand dbCom = new SQLiteCommand("INSERT INTO Dateien (Pfad, Datei) VALUES ($Pfad, $Datei)"))

using (SQLiteCommand dbCom = new SQLiteCommand("INSERT INTO Dateien (Pfad, Datei) VALUES ($Pfad, $Datei)", dbConn, dbTrans))

Kevin Marois wrote:

The Hyperlink.TextDecorations does not.

<TextBlock>
    <Hyperlink TextDecorations="None">

<TextBlock>
    <Style TargetType="Hyperlink">
        <Setter Property="TextDecorations" Value="None" />
    </Style>
    <Hyperlink>

public class MaroisHyperlink : ControlBase
{
    public static readonly DependencyProperty TextDecorationsProperty = Inline.TextDecorationsProperty.AddOwner(typeof(MaroisHyperlink));
    
    public TextDecorationCollection TextDecorations
    {
        get { return (TextDecorationCollection)GetValue(TextDecorationsProperty); }
        set { SetValue(TextDecorationsProperty, value); }
    }

<Hyperlink TextDecorations="{TemplateBinding TextDecorations}">

Kevin Marois wrote:

None of the triggers at the bottom work.

<Style.Triggers>
    <Trigger Property="IsMouseOver" Value="true">
        <Setter Property="Foreground" Value="{TemplateBinding HoverBrush}" />
        <Setter Property="TextDecorations" Value="Underline" />
    </Trigger>

    <Trigger Property="IsEnabled" Value="false">
        <Setter Property="Foreground" Value="Gray" />
        <Setter Property="TextDecorations" Value="None" />
    </Trigger>
</Style.Triggers>

<Hyperlink TextDecorations="{TemplateBinding TextDecorations}" Foreground="{TemplateBinding Foreground}>

Kevin Marois wrote:

The HoverBrush does not work

public static readonly DependencyProperty TextDecorationsProperty =
            DependencyProperty.Register("TextDecorations",
            typeof(TextDecorations),
            typeof(MaroisHyperlink),
            new PropertyMetadata(TextDecorations.Underline));

public TextDecorations TextDecorations
{
    get { return (TextDecorations)GetValue(TextDecorationsProperty);}
    set { SetValue(TextDecorationsProperty, value); }
}

Cannot convert to static type 'TextDecorations'
'TextDecorations': static types cannot be used as return types
'TextDecorations': static types cannot be used as paramters

Reference Source[^]:

C#

/// <summary>
/// DependencyProperty for <see cref="TextDecorations" /> property.
/// </summary>
public static readonly DependencyProperty TextDecorationsProperty = 
    DependencyProperty.Register(
        "TextDecorations", 
        typeof(TextDecorationCollection), 
        typeof(Inline),
        new FrameworkPropertyMetadata(
            new FreezableDefaultValueFactory(TextDecorationCollection.Empty), 
            FrameworkPropertyMetadataOptions.AffectsRender 
        ));

/// <summary>
/// The TextDecorations property specifies decorations that are added to the text of an element.
/// </summary>
public TextDecorationCollection TextDecorations
{
    get { return (TextDecorationCollection) GetValue(TextDecorationsProperty); }
    set { SetValue(TextDecorationsProperty, value); }
}

<ControlTemplate.Triggers>

    <Trigger Property="IsMouseOver" Value="true">
        <Setter TargetName="hyperLink" Property="TextDecorations" Value="{Binding TextDecorations, RelativeSource={RelativeSource TemplatedParent}}"/>
        <Setter TargetName="hyperLink" Property="Foreground" Value="{Binding HoverBrush, RelativeSource={RelativeSource TemplatedParent}}"/>
    </Trigger>

</ControlTemplate.Triggers>

<Style TargetType="{x:Type local:MaroisHyperlink}">

    <Setter Property="Template">

        <Setter.Value>

            <ControlTemplate>

                <TextBlock>

                    <Hyperlink x:Name="hyperLink" 
                                Foreground="{Binding Foreground, RelativeSource={RelativeSource TemplatedParent}}"
                                TextDecorations="{Binding TextDecorations, RelativeSource={RelativeSource TemplatedParent}}">

                        <TextBlock Text="{Binding LinkText, 
                                    RelativeSource={RelativeSource TemplatedParent}}"/>

                        <i:Interaction.Triggers>
                            <i:EventTrigger EventName="Click">
                                <i:InvokeCommandAction Command="{Binding RelativeSource={RelativeSource FindAncestor, 
                                                                    AncestorType=Control}, Path=LinkClickedCommand}"/>
                            </i:EventTrigger>
                        </i:Interaction.Triggers>

                    </Hyperlink>

                </TextBlock>

            <ControlTemplate.Triggers>

                <Trigger Property="IsMouseOver" Value="true">
                    <Setter TargetName="hyperLink" Property="TextDecorations" Value="{Binding TextDecorations, RelativeSource={RelativeSource TemplatedParent}}"/>
                    <Setter TargetName="hyperLink" Property="Foreground" Value="{Binding HoverBrush, RelativeSource={RelativeSource TemplatedParent}}"/>
                </Trigger>

            </ControlTemplate.Triggers>

            </ControlTemplate>

        </Setter.Value>

    </Setter>

</Style>

public class MaroisHyperlink : ControlBase
{
    #region Routed Events
    #region LinkClickedEvent
    public static readonly RoutedEvent LinkClickedEvent =
                EventManager.RegisterRoutedEvent("LinkClicked",
                RoutingStrategy.Bubble,
                typeof(RoutedEventHandler),
                typeof(MaroisHyperlink));

    public event RoutedEventHandler LinkClicked
    {
        add { AddHandler(LinkClickedEvent, value); }
        remove { RemoveHandler(LinkClickedEvent, value); }
    }

    private void RaiseLinkClickedEvent()
    {
        RoutedEventArgs args = new RoutedEventArgs(LinkClickedEvent);
        RaiseEvent(args);
    }
    #endregion
    #endregion

    #region DP's
    #region DP TextDecorations
    public static readonly DependencyProperty TextDecorationsProperty =
        Inline.TextDecorationsProperty.AddOwner(typeof(MaroisHyperlink));

    public TextDecorationCollection TextDecorations
    {
        get { return (TextDecorationCollection)GetValue(TextDecorationsProperty); }
        set { SetValue(TextDecorationsProperty, value); }
    }
    #endregion

    #region DP HoverBrush
    public static readonly DependencyProperty HoverBrushProperty =
                DependencyProperty.Register("HoverBrush",
                typeof(SolidColorBrush),
                typeof(MaroisHyperlink),
                new PropertyMetadata(new SolidColorBrush(Colors.Green)));

    public SolidColorBrush HoverBrush
    {
        get { return (SolidColorBrush)GetValue(HoverBrushProperty); }
        set { SetValue(HoverBrushProperty, value); }
    }
    #endregion

    #region DP LinkText
    public static readonly DependencyProperty LinkTextProperty =
                DependencyProperty.Register("LinkText",
                typeof(string),
                typeof(MaroisHyperlink),
                new PropertyMetadata("MaroisHyperlink"));

    public string LinkText
    {
        get { return (string)GetValue(LinkTextProperty); }
        set { SetValue(LinkTextProperty, value); }
    }
    #endregion
    #endregion

    #region Commands
    private ICommand? _LinkClickedCommand;
    public ICommand LinkClickedCommand
    {
        get
        {
            if (_LinkClickedCommand == null)
                _LinkClickedCommand = new RelayCommand(LinkClickedExecuted);
            return _LinkClickedCommand;
        }
    }
    #endregion

    #region CTOR
    static MaroisHyperlink()
    {
        DefaultStyleKeyProperty.OverrideMetadata(typeof(MaroisHyperlink),
            new FrameworkPropertyMetadata(typeof(MaroisHyperlink)));
    }
    #endregion

    #region Private Methods
    private void LinkClickedExecuted()
    {
        RaiseLinkClickedEvent();
    }
    #endregion
}

<Window x:Class="Marois.Framework.Core.WPF.Controls.Demo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:marois="clr-namespace:Marois.Framework.Core.WPF.Controls;assembly=Marois.Framework.Core.WPF.Controls"
        mc:Ignorable="d"
        WindowStartupLocation="CenterScreen"
        Title="Marois Controls Demo" 
        Height="450" 
        Width="800">

    <Window.Resources>

        <Style TargetType="{x:Type marois:MaroisHyperlink}">

            <Setter Property="HoverBrush" Value="OliveDrab"/>
            <Setter Property="Foreground" Value="Cyan"/>
            <Setter Property="FontSize" Value="30"/>

            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="true">
                    <Setter Property="Foreground" Value="BlanchedAlmond" />
                    <Setter Property="TextDecorations" Value="Underline" />
                </Trigger>

                <Trigger Property="IsEnabled" Value="false">
                    <Setter Property="Foreground" Value="LightGray" />
                    <Setter Property="TextDecorations" Value="None" />
                </Trigger>

            </Style.Triggers>

        </Style>

    </Window.Resources>

    <Grid>

        <StackPanel Orientation="Vertical">

            <CheckBox x:Name="checkBox"
                      Content="Enabled"
                      IsChecked="True"
                      Margin="5"/>

            <marois:MaroisHyperlink x:Name="link" 
                                    Margin="5"
                                    IsEnabled="{Binding ElementName=checkBox, Path=IsChecked}"
                                    HorizontalAlignment="Left"
                                    VerticalAlignment="Top">

                <i:Interaction.Triggers>
                    <i:EventTrigger EventName="LinkClicked">
                        <i:InvokeCommandAction Command="{Binding MaroisLinkClickedCommand}"/>
                    </i:EventTrigger>
                </i:Interaction.Triggers>

            </marois:MaroisHyperlink>

        </StackPanel>

    </Grid>

</Window>