CustomPalette Class

Represents a custom color palette.

Namespace: DevExpress.Xpf.Editors

Assembly: DevExpress.Xpf.Core.v23.2.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public class CustomPalette :
    ColorPalette

VB.NET

Public Class CustomPalette
    Inherits ColorPalette

Remarks

The ColorEdit and PopupColorEdit controls store their palettes within the Palettes collection. This collection provides methods that allow you to add new palettes and remove existing ones. Individual palettes are represented by ColorPalette descendants.

By default, an editor displays three color palettes: Theme Colors, Gradient Theme Colors and Standard Colors. The Recent Colors palette is automatically created when an end-user selects a custom color from the ‘More Colors’ dialog.

You can replace default palettes or add any number of custom color palettes. To create a color palette, create a new instance of the CustomPalette class, and define the colors using the ColorPalette.Colors property. Finally, add the palette to the editor’s Palettes collection.

Example

The following code sample creates custom palettes and displays them within a ColorEdit control.

MainWindow.xaml

<Window x:Class="DXEditors_ColorEdit.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="400" Width="497"
        xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors"
        xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/core">
    <Grid>
        <Grid.Resources>
            <ResourceDictionary>
                <dxc:ColorToBrushConverter x:Key="ColorToBrushConverter"/>
            </ResourceDictionary>
        </Grid.Resources>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <GroupBox Header="Text Color" Grid.Column="0" HorizontalAlignment="Left"
                  Margin="3" Name="groupBox1" VerticalAlignment="Top">
            <Grid>
                <dxe:ColorEdit Name="colorEdit1" Color="Green"/>
            </Grid>
        </GroupBox>
        <GroupBox HorizontalAlignment="Stretch" Header="Text Box" Grid.Column="1"
                  Margin="3" Name="groupBox2" VerticalAlignment="Top">
            <Grid>
                <TextBox Text="Sample text..." Grid.Column="1"
                         Foreground="{Binding Path=Color, ElementName=colorEdit1, Converter={StaticResource ColorToBrushConverter}}"
                         Height="100" Margin="3"
                         Name="textBox1" VerticalAlignment="Top" />                
            </Grid>
        </GroupBox>
    </Grid>
</Window>

MainWindow.xaml.cs

using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using DevExpress.Xpf.Editors;

namespace DXEditors_ColorEdit {
    public partial class MainWindow : Window {
        public MainWindow() {
            InitializeComponent();

            // Removes the 'Standard Colors' palette.
            colorEdit1.Palettes.Remove(colorEdit1.Palettes["Standard Colors"]);

            // Adds a custom gradient palette.
            colorEdit1.Palettes.Add(CustomPalette.CreateGradientPalette("Apex Colors", PredefinedColorCollections.Apex));

            // Adds a new palette with three custom RGB colors.
            colorEdit1.Palettes.Add(new CustomPalette("Custom RGB Colors", new List<Color>() {
                Color.FromRgb(150, 18, 30),
                Color.FromRgb(20, 40, 20),
                Color.FromRgb(88, 73, 29) 
            }));
        }
    }
}

MainWindow.xaml.vb

Imports Microsoft.VisualBasic
Imports System.Collections.Generic
Imports System.Windows.Controls
Imports System.Windows.Media
Imports DevExpress.Xpf.Editors

Namespace DXEditors_ColorEdit
    Partial Public Class MainWindow
        Inherits Window
        Public Sub New()
            InitializeComponent()

            ' Removes the 'Standard Colors' palette.
            colorEdit1.Palettes.Remove(colorEdit1.Palettes("Standard Colors"))

            ' Adds a custom gradient palette.
            colorEdit1.Palettes.Add(CustomPalette.CreateGradientPalette("Apex Colors", PredefinedColorCollections.Apex))

            ' Adds a new palette with three custom RGB colors.
            Dim customColors As List(Of Color) = New List(Of Color)
            customColors.Add(Color.FromRgb(150, 18, 30))
            customColors.Add(Color.FromRgb(20, 40, 20))
            customColors.Add(Color.FromRgb(88, 73, 29))
            Dim palette As CustomPalette = New CustomPalette("Custom RGB Colors", customColors)
            colorEdit1.Palettes.Add(palette)
        End Sub
    End Class
End Namespace

Inheritance

Object

ColorPalette

CustomPalette