using system colors to create gradients : Color « Windows Presentation Foundation « C# / C Sharp

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C# / C Sharp » Windows Presentation Foundation » ColorScreenshots 
using system colors to create gradients
using system colors to create gradients
  

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="SystemColorsAndBrushes_csharp.Window1"
    Title="System Colors" >
   <Window.Resources>
    <Style TargetType="{x:Type Rectangle}">
      <Setter Property="Margin" Value="10,0,10,0"/>
      <Setter Property="HorizontalAlignment" Value="Left"/>
      <Setter Property="Height" Value="20"/>
      <Setter Property="Width" Value="120"/>
      <Setter Property="Stroke" Value="Black"/>
      <Setter Property="StrokeThickness" Value="1"/>
    </Style>
    <Style TargetType="{x:Type TextBlock}">
      <Setter Property="Margin" Value="10,20,10,0"/>
    </Style>
    <Style TargetType="{x:Type Button}">
      <Setter Property="Margin" Value="10,0,10,0"/>
      <Setter Property="HorizontalAlignment" Value="Left"/>
    </Style>
    </Window.Resources>
    <ScrollViewer>

    <Grid>
      <Grid.ColumnDefinitions>
        <ColumnDefinition />
        <ColumnDefinition Width="5" />
        <ColumnDefinition />
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
        <RowDefinition />
      </Grid.RowDefinitions>
      <Rectangle Grid.Column="1" Grid.Row="0" 
        HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Fill="Black"
        RadiusX="10" RadiusY="10" />
    
      <StackPanel Name="systemBrushesPanel" Background="White" Grid.Row="0" Grid.Column="0"/> 
      <StackPanel Name="gradientExamplePanel" Background="White" Grid.Row="0" Grid.Column="2"/>

  </Grid>
  
  </ScrollViewer>
</Window>


//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Data;

namespace SystemColorsAndBrushes_csharp
{
    public partial class Window1 : Window
    {
        public Window1() {
            InitializeComponent();
            System.Windows.Controls.TextBlock t = new System.Windows.Controls.TextBlock();
            t.Text = "System Color Gradient Examples";
            t.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
            t.FontWeight = System.Windows.FontWeights.Bold;
            gradientExamplePanel.Children.Add(t);

            t = new System.Windows.Controls.TextBlock();
            t.Text = "ControlDark to ControlLight";
            System.Windows.Shapes.Rectangle r = new System.Windows.Shapes.Rectangle();
            r.Fill = new System.Windows.Media.RadialGradientBrush(
                System.Windows.SystemColors.ControlDarkColor, System.Windows.SystemColors.ControlLightColor);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(r);

            t = new System.Windows.Controls.TextBlock();
            t.Text = "ControlDarkDark to ControlLightLight";
            r = new System.Windows.Shapes.Rectangle();
            r.Fill = new System.Windows.Media.LinearGradientBrush(System.Windows.SystemColors.ControlDarkDarkColor, System.Windows.SystemColors.ControlLightLightColor, 45);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(r);
            
            // Try it out on a button.
            t = new System.Windows.Controls.TextBlock();
            t.Text = "Desktop to AppWorkspace";
            System.Windows.Controls.Button b = new System.Windows.Controls.Button();
            b.Width = 120;
            b.Height = 20;
            b.Background = new System.Windows.Media.RadialGradientBrush(System.Windows.SystemColors.DesktopColor, System.Windows.SystemColors.AppWorkspaceColor);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(b);

            t = new System.Windows.Controls.TextBlock();
            t.Text = "Desktop to Control";
            b = new System.Windows.Controls.Button();
            b.Width = 120;
            b.Height = 20;
            b.Background = new System.Windows.Media.RadialGradientBrush(System.Windows.SystemColors.DesktopColor, System.Windows.SystemColors.ControlColor);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(b);

        }

    }
}

   
    
  
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