Implementing WPF ColorPicker

The ColorPicker is a WPF user interface control for selecting and adjusting color values. It supports multiple color specifications including RGB (Red Green Blue), HSV (Hue Saturation Value), and hexadecimal codes, with built-in gradient editor, eyedropper, color palette, and theming support.

When to Use This Skill

Use the ColorPicker when you need to:

• Allow users to select solid colors in WPF applications
• Create linear or radial gradient brushes with multiple color stops
• Edit color values manually using RGB, HSV, or Hex input
• Include an eyedropper tool for picking colors from anywhere in the app
• Control color opacity/alpha channel
• Provide a color palette for quick color selection
• Handle color-changed and brush-changed events
• Apply built-in or custom themes to match application design

Navigation Guide

Getting Started

📄 Read: references/getting-started.md

• Assembly dependencies and NuGet package setup
• Adding ColorPicker via Designer, XAML, and C#
• Control structure overview
• Basic configuration

Solid and Gradient Colors

📄 Read: references/solid-gradient-colors.md

• Selecting solid colors with Color property
• Creating linear gradients with StartPoint, EndPoint, and GradientStops
• Creating radial gradients with GradientOrigin, Center, RadiusX, RadiusY
• Runtime color editing and selection
• Managing opacity with alpha channel
• Switching between solid, linear, and gradient modes

Customization Options

📄 Read: references/customization.md

• Enabling/disabling color palette visibility
• Gradient brush display modes (Default vs Extended)
• Inverted color calculation for contrast
• ScRGB color support
• Hiding or showing alpha value editors
• Restricting brush mode transitions

Appearance and Theming

📄 Read: references/appearance-theming.md

• Built-in theme support
• SfSkinManager integration for theme application
• ThemeStudio custom theme creation
• Theme-based appearance customization

Events and Integration

📄 Read: references/events-integration.md

• ColorChanged event handling
• SelectedBrushChanged event handling
• Runtime color change notifications
• Integration patterns with other controls

Quick Start

Basic XAML Setup

<Window xmlns:syncfusion="http://schemas.syncfusion.com/wpf">
    <Grid>
        <syncfusion:ColorPicker Name="colorPicker" 
                                Width="280" 
                                Height="100"/>
    </Grid>
</Window>

Basic C# Setup

using Syncfusion.Windows.Shared;

ColorPicker colorPicker = new ColorPicker();
colorPicker.Width = 300;
colorPicker.Height = 100;
grid.Children.Add(colorPicker);

Set Initial Color

<syncfusion:ColorPicker Color="Yellow" />

Common Patterns

Pattern 1: Solid Color Selection - Set Color property and IsColorPaletteVisible="True" for user solid color picking.

Pattern 2: Gradient Selection - Set Brush property with LinearGradientBrush or RadialGradientBrush with GradientStops for gradient selection.

Pattern 3: Respond to Color Changes - Subscribe to ColorChanged and SelectedBrushChanged events to handle real-time color/brush updates.

Pattern 4: Hide Alpha Channel - Set IsAlphaVisible="False" for opaque colors only.

Pattern 5: Lock to Solid Colors - Set EnableSolidToGradientSwitch="False" to prevent gradient mode switching.

Key Properties

Key Events

Dependencies

• Assembly: Syncfusion.Shared.WPF
• Framework: .NET Framework 4.5+
• Dependencies: Syncfusion WPF shared components