http://mahapps.com/guides/styles.html
This guide will introduce you to the many accents and themes that MahApps.Metro has and how to create your own.
All of MahApps.Metro's accents and themes are contained within separate resource dictionaries (Make sure that all file names are spelled correct. They are Case Sensitive!).
You can choose between these available accents:
"Red", "Green", "Blue", "Purple", "Orange", "Lime", "Emerald", "Teal", "Cyan", "Cobalt", "Indigo", "Violet", "Pink", "Magenta", "Crimson", "Amber", "Yellow", "Brown", "Olive", "Steel", "Mauve", "Taupe", "Sienna"
and these themes:
"BaseLight", "BaseDark"
The fastest way is to specify the accent and theme resource in App.xaml.
<Application x:Class="MahAppsMetroThemesSample.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
StartupUri="MainWindow.xaml">
<Application.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml" />
<!-- accent resource -->
<!-- change "Cobalt" to the accent color you want -->
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Cobalt.xaml" />
<!-- theme resource -->
<!-- change "BaseLight" to the theme you want -->
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
</Application>
MahApps.Metro has a ThemeManager method that lets you change the accent and theme using the code-behind file. It can be done in 2 lines, like so:
public partial class App : Application
{
protected override void OnStartup (StartupEventArgs e)
{
// get the theme from the current application
var theme = ThemeManager.DetectAppStyle(Application.Current);
// now set the Green accent and dark theme
ThemeManager.ChangeAppStyle(Application.Current,
ThemeManager.GetAccent("Green"),
ThemeManager.GetAppTheme("BaseDark"));
base.OnStartup(e);
}
}
With MahApps.Metro you can have a different accent and theme for a MetroWindow. The main window or any other MetroWindow will keep the specified accent and theme in the App.xaml.
<Controls:MetroWindow.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<!-- this window should be blue -->
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Blue.xaml" />
<!-- and should use the light theme -->
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Controls:MetroWindow.Resources>
You can also do this with the ThemeManager, like so:
public partial class AccentStyleWindow : MetroWindow
{
public void ChangeAppStyle()
{
// get the theme from the window
var theme = ThemeManager.DetectAppStyle(this);
// now set the Red accent and dark theme
ThemeManager.ChangeAppStyle(this,
ThemeManager.GetAccent("Red"),
ThemeManager.GetAppTheme("BaseDark"));
}
}
Another nice feature of MahApps.Metro ThemeManager is to use custom created accents and themes or use a dynamically created accent and theme.
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<!--ACCENT COLORS-->
<Color x:Key="HighlightColor">#FF9F0055</Color>
<!--80%-->
<Color x:Key="AccentColor">#CCD80073</Color>
<!--60%-->
<Color x:Key="AccentColor2">#99D80073</Color>
<!--40%-->
<Color x:Key="AccentColor3">#66D80073</Color>
<!--20%-->
<Color x:Key="AccentColor4">#33D80073</Color>
<!-- re-set brushes too -->
<SolidColorBrush x:Key="HighlightBrush" Color="{StaticResource HighlightColor}" />
<SolidColorBrush x:Key="AccentColorBrush" Color="{StaticResource AccentColor}"/>
<SolidColorBrush x:Key="AccentColorBrush2" Color="{StaticResource AccentColor2}"/>
<SolidColorBrush x:Key="AccentColorBrush3" Color="{StaticResource AccentColor3}"/>
<SolidColorBrush x:Key="AccentColorBrush4" Color="{StaticResource AccentColor4}"/>
<SolidColorBrush x:Key="WindowTitleColorBrush" Color="{StaticResource AccentColor}" />
<SolidColorBrush x:Key="AccentSelectedColorBrush" Color="White" />
<LinearGradientBrush x:Key="ProgressBrush" EndPoint="0.001,0.5" StartPoint="1.002,0.5">
<GradientStop Color="{StaticResource HighlightColor}" Offset="0" />
<GradientStop Color="{StaticResource AccentColor3}" Offset="1" />
</LinearGradientBrush>
<SolidColorBrush x:Key="CheckmarkFill" Color="{StaticResource AccentColor}" />
<SolidColorBrush x:Key="RightArrowFill" Color="{StaticResource AccentColor}" />
<Color x:Key="IdealForegroundColor">White</Color>
<SolidColorBrush x:Key="IdealForegroundColorBrush" Color="{StaticResource IdealForegroundColor}"/>
</ResourceDictionary>
In order to use this custom accent, you need to add it to the ThemeManager first.
public partial class App : Application
{
protected override void OnStartup(StartupEventArgs e)
{
// add custom accent and theme resource dictionaries
ThemeManager.AddAccent("CustomAccent1", new Uri("pack://application:,,,/MahAppsMetroThemesSample;component/CustomAccents/CustomAccent1.xaml"));
// get the theme from the current application
var theme = ThemeManager.DetectAppStyle(Application.Current);
// now use the custom accent
ThemeManager.ChangeAppStyle(Application.Current,
ThemeManager.GetAccent("CustomAccent1"),
theme.Item1);
base.OnStartup(e);
}
}
It is also possible to create an accent resource dictionary dynamically by using a specific color.
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