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Pick Colors Like a Boss Using Syncfusion Color Controls in WinUI

Pick Colors Like a Boss Using Syncfusion Color Controls in WinUI

The Syncfusion WinUI toolkit includes feature-rich controls like DataGrid, Charts, and TreeView,  that embody a Fluent design for building modern and seamless Windows apps. In this blog, let’s see how to select solid, linear gradient, and radial gradient colors using these four distinct color controls in our WinUI suite:

  • ColorPalette: A rich visual interface for solid color selection. It supports standard colors and various theme colors.
  • ColorPicker: Pick a solid or gradient color and fine-tune it with a precise color. The control supports various color specifications like RGB (red green blue), HSV (hue saturation value), and hex codes.
  • DropDown ColorPalette: This control hosts the WinUI ColorPalette as its flyout. You can customize the ColorPalette by attaching it as a flyout.
  • DropDown ColorPicker: Similarly, the WinUI DropDown ColorPicker contains the WinUI ColorPicker as its flyout.

Note: As the ColorPalette and ColorPicker controls occupy a lot of space, they are hosted inside a dropdown to form the two latter controls in WinUI (DropDown ColorPalette and Picker).

WinUI DropDown ColorPalette

Let’s see how to add the WinUI DropDown ColorPalette control to your application:

  1. First, create a WinUI 3 desktop app for C# and .NET 5.
  2. Then, download and install the Syncfusion.Editors.WinUI NuGet package in your project.
  3. Import the control namespace Syncfusion.UI.Xaml.Editors in the XAML page.
  4. Finally, initialize the WinUI DropDown ColorPalette control like in the following code example.
    <Window
        x:Class="ExploringColorControls.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="using:WinUI_UG_Check"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
        xmlns:calendar="using:Syncfusion.UI.Xaml.Calendar"
        xmlns:editor="using:Syncfusion.UI.Xaml.Editors"
        mc:Ignorable="d">
         <Grid>
            <editor:SfDropDownColorPalette HorizontalAlignment="Center" VerticalAlignment="Center"
                                                                        x:Name="sfDropDownColorPalette"
                                                                        />
        </Grid>
    </Window>
WinUI DropDown ColorPalette
WinUI DropDown ColorPalette

Note: In the WinUI DropDown ColorPalette:

Customizing the ColorPalette in the Dropdown

You can customize the ColorPalette control hosted inside the dropdown of the WinUI DropDown ColorPalette using the AttachedFlyout and DropDownFlyout properties.

Refer to the following code example.

<editor:SfDropDownColorPalette HorizontalAlignment="Center" VerticalAlignment=" Center "
                                                            x:Name="sfDropDownColorPalette" 
                                                            >
    <FlyoutBase.AttachedFlyout>
       <editor:DropDownFlyout >
          <editor:SfColorPalette x:Name="colorPalette" ActivePalette="GreenYellow" />
       </editor:DropDownFlyout>
    </FlyoutBase.AttachedFlyout>
</editor:SfDropDownColorPalette>
Customized Palette in WinUI DropDown ColorPalette
Customized Palette in WinUI DropDown ColorPalette

Theme Colors

The ColorPalette has a variety of base theme colors shaded from light to dark.

You can change the displayed theme color palette using the ActivePalette property. By default, the value of the ActivePalette property is Office.

Refer to the following code example.

<editor:SfColorPalette x:Name="colorPalette" ActivePalette="GreenYellow" />
WinUI DropDown ColorPalette Theme Colors
WinUI DropDown ColorPalette Theme Colors

You can also add your own set of theme colors in the ColorPalette control using the PaletteColors property and ColorModel class. The ColorPaletteModel class allows you to customize the header and show or hide the custom theme color shades.

Refer to the following code example.

<editors:SfColorPalette Name="colorPalette">
    <editors:SfColorPalette.PaletteColors>
        <editors:ColorPaletteModel ShowColors="True" 
                                   ShowColorShades="True"
                                   Header="Custom Theme Colors" >
            <editors:ColorPaletteModel.Colors>
                <editors:ColorCollection>
                    <editors:ColorModel Color="#FF11EBF8" Tooltip="Custom Aqua" />
                    <editors:ColorModel Color="#FFF80FA6" Tooltip="Custom Deep Pink" />
                    <editors:ColorModel Color="#FF8BA7C2" Tooltip="Custom Dark Gray" />
                    <editors:ColorModel Color="#F53CDF07" Tooltip="Custom Lime Green" />
                    <editors:ColorModel Color="#C2929545" Tooltip="Custom Olive Drab" />
                    <editors:ColorModel Color="#2E956145" Tooltip="Custom Sienna" />
                    <editors:ColorModel Color="#78458E95" Tooltip="Custom Steel Blue" />
                    <editors:ColorModel Color="#8B8220E4" Tooltip="Custom Blue Violet" />
                    <editors:ColorModel Color="#FF352722" Tooltip="Custom Dark Slate Gray" />
                    <editors:ColorModel Color="#FF318B86" Tooltip="Custom Sea Green" />
                </editors:ColorCollection>
            </editors:ColorPaletteModel.Colors>
        </editors:ColorPaletteModel>
    </editors:SfColorPalette.PaletteColors>
</editors:SfColorPalette>
WinUI DropDown Color Palette: Custom Theme Colors
WinUI DropDown ColorPalette: Custom Theme Colors

Also, you can easily show or hide the base theme colors and their variants in the ColorPalette using the ShowColors and ShowColorShades properties in the ColorPaletteModel class. To hide all the theme colors in the ColorPalette, set the value of both the ShowColors and ShowColorShades properties to false.

Refer to the following screenshot.

WinUI DropDown Color Palette Displaying Only Standard ColorsWinUI DropDown Color Palette Displaying Themes ColorsWinUI DropDown Color Palette Displaying Themes Colors With Shades

Customizing the WinUI DropDown ColorPalette’s Theme Colors visible Mode

Standard Colors

The ColorPalette supports a variety of standard colors. The colors’ shades are hidden by default.

Refer to the following code example.

<editor:SfDropDownColorPalette HorizontalAlignment="Center" VerticalAlignment=" Center "
                                                     x:Name="sfDropDownColorPalette" 
                                                      >
   <FlyoutBase.AttachedFlyout>
      <editor:DropDownFlyout >
         <editor:SfColorPalette x:Name="colorPalette"  />
       </editor:DropDownFlyout>
    </FlyoutBase.AttachedFlyout>
</editor:SfDropDownColorPalette>
WinUI DropDown ColorPalette: Standard Colors
WinUI DropDown ColorPalette: Standard Colors

Like in the theme colors, you can also add your own set of standard colors in the ColorPalette control using the StandardColors property and ColorModel class. The StandardPaletteModel class allows you to customize the header and show or hide the custom standard colors and their shades.

Refer to the following code example.

<editors:SfColorPalette Name="colorPalette">
    <editors:SfColorPalette.StandardColors>
        <editors:StandardPaletteModel ShowColors="True" 
                                      ShowColorShades="True"
                                      Header="Custom Standard Colors" >
            <editors:StandardPaletteModel.Colors>
                <editors:ColorCollection>
                    <editors:ColorModel Color = "Blue" Tooltip = "Custom Blue" />
                    <editors:ColorModel Color = "Orchid" Tooltip = "Custom Orchid" />
                    <editors:ColorModel Color = "Gray" Tooltip = "Custom Gray" />
                    <editors:ColorModel Color = "Gold" Tooltip = "Custom Gold" />
                    <editors:ColorModel Color = "SandyBrown" Tooltip = "Custom SandyBrown" />
                    <editors:ColorModel Color = "Pink" Tooltip = "Custom Pink" />
                    <editors:ColorModel Color = "Violet" Tooltip = "Custom Violet" />
                    <editors:ColorModel Color = "Yellow" Tooltip = "Custom Yellow" />
                    <editors:ColorModel Color = "Orange" Tooltip = "Custom Orange" />
                    <editors:ColorModel Color = "Red" Tooltip = "Custom Red" />
                </editors:ColorCollection>
            </editors:StandardPaletteModel.Colors>
        </editors:StandardPaletteModel>
    </editors:SfColorPalette.StandardColors>
</editors:SfColorPalette>
Customizing the Standard Colors of WinUI DropDown Color Palette
Customizing the Standard Colors of WinUI DropDown ColorPalette

You can show or hide the standard colors and their variants using the ShowColors and ShowColorShades properties in the StandardPaletteModel. To hide all the standard colors in the ColorPalette, set the value of both the ShowColors and ShowColorShades properties to false.

Hiding the Standard Color Palette in WinUI DropDown ColorPalette
Hiding the Standard Color Palette in WinUI DropDown ColorPalette

More Colors

If you want to choose a color that is not available in the theme and standard palette, click the More Colors button. Then, select a color from the color spectrum and click OK. You can show or hide the More Colors button using the ShowMoreColorsButton property.

WinUI DropDown Color Palette With More Colors ButtonMore Colors Editor Window In WinUI DropDown Color Palette

Choosing Colors from the WinUI DropDown ColorPalette: More Colors Window

Recent Colors

If you want to choose a color recently selected from the More Colors dialog, use the Recent Colors panel.

WinUI DropDown ColorPalette Showing Recent Colors
WinUI DropDown ColorPalette Showing Recent Colors

No Color

You can reset the selected color back to transparent by using the No Color button. You can show or hide the No Color button using the ShowNoColorButton property. By default, the value of the ShowNoColorButton property is false.

WinUI DropDown ColorPalette Displaying No Color Button
WinUI DropDown ColorPalette Displaying No Color Button

Customize Content

Also, you can customize a selected color button using the ContentTemplate property.

<editors:SfDropDownColorPalette>
 
    <!--Custom UI for Selected color button-->
    <editors:SfDropDownColorPalette.ContentTemplate>
        <DataTemplate>
            <StackPanel Height="30" 
                        Orientation="Vertical">
                <Path Data="…Path Data…" 
                      Stretch="Uniform"
                      Fill="Black" 
                      Width="20" Height="20" 
                      RenderTransformOrigin="0.5,0.5"/>
                <Border Margin="5" 
                        Background="{Binding}"
                        Grid.Row="1"
                        Width="25"
                        Height="7">
                </Border>
            </StackPanel>
        </DataTemplate>
    </editors:SfDropDownColorPalette.ContentTemplate> 
</editors:SfDropDownColorPalette>
WinUI DropDown ColorPalette Header Customization
WinUI DropDown ColorPalette Header Customization

DropDown ColorPicker

Let’s see how to add the WinUI DropDown ColorPicker control to your application:

  1. First, create a WinUI 3 desktop app for C# and .NET 5.
  2. Then, download and install the Syncfusion.Editors.WinUI NuGet package in the project.
  3. Import the control namespace Syncfusion.UI.Xaml.Editors in your XAML page.
  4. Finally, initialize the WinUI DropDown ColorPicker control like in the following code example.
    <Window
        x:Class="ExploringColorControls.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="using:WinUI_UG_Check"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
        xmlns:calendar="using:Syncfusion.UI.Xaml.Calendar"
        xmlns:editors="using:Syncfusion.UI.Xaml.Editors"
        mc:Ignorable="d">
        <Grid>
            <editors:SfDropDownColorPicker HorizontalAlignment="Center" VerticalAlignment="Center"
                                                                        x:Name="dropdownColorPicker" />
        </Grid>
    </Window>
WinUI DropDown ColorPicker
WinUI DropDown ColorPicker

Note: In the WinUI DropDown ColorPicker control:

  • A default ColorPicker will be created and attached as a flyout.
  • You can get the currently selected brush using the SelectedBrush property.
  • When the selected color is changed, the SelectedBrushChanged event will be triggered.

Customizing the ColorPicker in the Dropdown

You can customize the ColorPicker control displayed in the dropdown using the AttachedFlyout and DropDownFlyout properties.

Refer to the following code example.

<editors:SfDropDownColorPicker Name="sfDropDownColorPicker">
    <FlyoutBase.AttachedFlyout>
        <editors:DropDownFlyout>
            <editors:SfColorPicker BrushTypeOptions="LinearGradientBrush"
                                   Width="250" />
        </editors:DropDownFlyout>
    </FlyoutBase.AttachedFlyout>        
</editors:SfDropDownColorPicker>

Switch among Solid, Linear, and Radial Gradient Editors

The ColorPicker allows you to select a solid, linear, or radial gradient bush using interactive editors. You can also restrict choosing a particular brush type using the BrushTypeOptions property.

Switch among Solid, Linear and Radial Gradient Editors
Switch among Solid, Linear, and Radial Gradient Editors

Solid Color Brush

By default, the value of the SelectedBrush property is SolidColorBrush. You can also choose a color using the spectrum, slider, number box, or hexadecimal editors.

<editors:SfColorPicker x:Name="colorPicker"
                        SelectedBrush="Yellow"/>

Input Options and Their Visibility

There are various input options available to choose a precise color. You can show or hide them using the following properties:

Note: By default, the Spectrum editor is always visible, you cannot hide it.

Color Picker Editor Window With Various Input Options
ColorPicker Editor Window With Various Input Options

Color Channels

The ColorPicker supports four color channels: RGB, HSV, HSL, CMYK. You can limit the color channels using the ColorChannelOptions property. The end user can change a color channel interactively, using the editor combo box.

Refer to the following .gif image.

Color Channel Editor Window
Color Channel Editor Window

Gradient Brush

You can choose a linear or radial gradient brush using the SelectedBrush property. For more details, refer to the LinearGraidentBrush and RadialGradientBrush documentation.

Refer to the following code example.

Linear gradient:

<editors:SfColorPicker>
    <editors:SfColorPicker.SelectedBrush>
        <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
            <GradientStop Color="Yellow" Offset="0.0" />
            <GradientStop Color="Red" Offset="0.25" />
            <GradientStop Color="Blue" Offset="0.75" />
            <GradientStop Color="LimeGreen" Offset="1.0" />
        </LinearGradientBrush>
    </editors:SfColorPicker.SelectedBrush>
</editors:SfColorPicker>

Radial gradient:

<editors:SfColorPicker>
    <editors:SfColorPicker.SelectedBrush>
        <RadialGradientBrush>
            <GradientStop Color="Yellow" Offset="0.0" />
            <GradientStop Color="Red" Offset="0.25" />
            <GradientStop Color="Blue" Offset="0.75" />
            <GradientStop Color="LimeGreen" Offset="1.0" />
        </RadialGradientBrush>
    </editors:SfColorPicker.SelectedBrush>
</editors:SfColorPicker>

Edit Gradient Stops

The WinUI DropDown ColorPicker allows you to add gradient stop and change its color interactively like in the following .gif image.

Editing Gradient Stops in WinUI DropDown ColorPicer
Editing Gradient Stops in WinUI DropDown ColorPicker

Edit Gradient Direction

The linear and radial gradient editors support both simple and advanced editing modes. You can switch between the modes using the AxisInputOption property.

In the Simple editor, you can change the linear gradient angle to anywhere between 0 and 365 degrees.

Simple Editor for Linear Gradient
Simple Editor for Linear Gradient

In the advanced editor, you can fine-tune the linear gradient direction using the start and end points.

Advanced Editor for Linear Gradient
Advanced Editor for Linear Gradient

You can change the radial gradient direction using the Direction dropdown in the simple editor.

Simple Editor for Radial Gradient
Simple Editor for Radial Gradient

Like for the linear gradient, you can also fine-tune the radial gradient direction using the start and end points in the advanced editor.

Advanced Editor for Radial Gradient
Advanced Editor for Radial Gradient

Customize Content

Also, you can customize the selected color button using the ContentTemplate property.

<editors:SfDropDownColorPicker DropDownMode="Split"                   
                               Name="sfDropDownColorPicker">
    <!--Custom UI for Selected color button-->
    <editors:SfDropDownColorPicker.ContentTemplate>
        <DataTemplate>
            <StackPanel Height="30" 
                        Orientation="Vertical">
                <Path Data=".…PathData…." 
                      Stretch="Uniform"                          
                      Fill="Black" 
                      Width="20" Height="18" 
                      RenderTransformOrigin="0.5,0.5"/>
                <Border Margin="5" 
                        Background="{Binding}"
                        Grid.Row="1"
                        Width="25"
                        Height="8">
                </Border>
            </StackPanel>
        </DataTemplate>
    </editors:SfDropDownColorPicker.ContentTemplate>
</editors:SfDropDownColorPicker>
WinUI DropDown ColorPicker Header Customization
WinUI DropDown ColorPicker Header Customization

Conclusion

Thanks for reading! In this blog post, we have explored the marvelous features of the WinUI ColorPicker, ColorPalette, DropDown ColorPalette, and DropDown ColorPicker controls. You can also download examples for the color controls in WinUI from this GitHub repository.

So, try them out and design your application with appealing color patterns.

For existing customers, the newest version of Essential Studio is available for download from the license and downloads page. If you are not yet a customer, you can try our 30-day free trial to check out these new features.

You can also contact us through support forums, feedback portal, or the Direct-Trac support system. We are always happy to assist you!

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