syncfusion-winforms-domainupdownext

Q: How do I install syncfusion-winforms-domainupdownext?

Run npx skills add https://github.com/syncfusion/winforms-ui-components-skills --skill syncfusion-winforms-domainupdownext in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/syncfusion-winforms-domainupdownext/ (personal) or .claude/skills/syncfusion-winforms-domainupdownext/ (project).

by syncfusionFrontend & Design

Implement and configure the Syncfusion DomainUpdownExt control in Windows Forms applications. Use this skill when you need to create dropdown/selection controls with spin buttons, customize appearance, manage items, and enable keyboard navigation in WinForms projects.

Installs: 76
Last 24h: —
Trending rank: —
Security: Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/syncfusion/winforms-ui-components-skills --skill syncfusion-winforms-domainupdownext

01
Install
Run the command in your project. The CLI asks which agents to install for.
02
Describe the task
Ask your agent for something this skill covers. It loads syncfusion-winforms-domainupdownext automatically when relevant.
03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Implementing DomainUpdownExt in Windows Forms

DomainUpdownExt is an advanced Windows Forms control that provides a modern dropdown interface with spin buttons for value selection. It's ideal for scenarios where users need to browse through a predefined list of items using increment/decrement buttons or keyboard navigation.

When to Use This Skill

Use this skill when you need to:

Create a dropdown control with spin button navigation
Allow users to browse through a list of predefined values
Customize control appearance (borders, colors, styles)
Enable arrow key navigation for value selection
Configure text alignment and spin button orientation
Handle user interactions and keyboard events
Add dynamic items based on user input

Component Overview

DomainUpdownExt combines the functionality of a text box with spin buttons and a predefined list of items. Unlike a standard ComboBox, it displays only the current item and lets users navigate through the list using arrow keys or spin buttons.

Key Capabilities:

Item management with programmatic access
Spin button customization (orientation, alignment)
Keyboard support (arrow keys, keyboard events)
Appearance customization (borders, colors, text alignment)
Event handling for state changes
Text and item validation

Documentation and Navigation Guide

Getting Started

📄 Read: references/getting-started.md

Assembly dependencies and project setup
Adding control via designer
Adding control manually in code
Creating your first DomainUpdownExt control
Basic item management

Text and Item Management

📄 Read: references/text-and-items.md

Adding and removing items from the collection
Text alignment properties
MaxLength configuration
Managing selected items programmatically
Item validation patterns

Spin Button Control

📄 Read: references/spinbutton-control.md

SpinOrientation property (horizontal vs. vertical)
UpDownAlign property (left vs. right alignment)
Configuring spin button appearance
Default button behaviors

Appearance and Customization

📄 Read: references/appearance-customization.md

Border styles and properties
Background and foreground colors
Border 3D styles
Customizing control look and feel
Visual appearance patterns

Keyboard Navigation and Interaction

📄 Read: references/keyboard-and-interaction.md

Arrow key support (InterceptArrowKeys property)
KeyDown event handling
UpButton and DownButton methods
Programmatic value browsing
Keyboard navigation patterns

Advanced Usage and Patterns

📄 Read: references/advanced-usage.md

Adding items at runtime based on user input
Programmatic navigation through values
Event handling strategies
Common use cases and patterns
Best practices for interaction design

Quick Start Example

Create a basic DomainUpdownExt control with items and keyboard navigation:

using Syncfusion.Windows.Forms.Tools;
using System.Windows.Forms;

public class Form1 : Form
{
    private DomainUpDownExt domainUpDownExt1;

    public Form1()
    {
        // Create control
        domainUpDownExt1 = new DomainUpDownExt();
        
        // Add items
        domainUpDownExt1.Items.Add("Option 1");
        domainUpDownExt1.Items.Add("Option 2");
        domainUpDownExt1.Items.Add("Option 3");
        domainUpDownExt1.Items.Add("Option 4");
        
        // Configure appearance
        domainUpDownExt1.BorderStyle = BorderStyle.FixedSingle;
        domainUpDownExt1.BackColor = System.Drawing.Color.White;
        domainUpDownExt1.SpinOrientation = Orientation.Vertical;
        
        // Enable keyboard navigation
        domainUpDownExt1.InterceptArrowKeys = true;
        
        // Add to form
        this.Controls.Add(domainUpDownExt1);
    }
}

Common Patterns

Pattern 1: Vertical Spin Button with Right Alignment

domainUpDownExt1.SpinOrientation = Orientation.Vertical;
domainUpDownExt1.UpDownAlign = LeftRightAlignment.Right;

Pattern 2: Horizontal Spin Button with Left Alignment

domainUpDownExt1.SpinOrientation = Orientation.Horizontal;
domainUpDownExt1.UpDownAlign = LeftRightAlignment.Left;

Pattern 3: Custom Appearance with Colored Border

domainUpDownExt1.BorderStyle = BorderStyle.FixedSingle;
domainUpDownExt1.BorderColor = System.Drawing.Color.Blue;
domainUpDownExt1.BackColor = System.Drawing.Color.LightGray;

Pattern 4: Programmatic Navigation

domainUpDownExt1.UpButton();    // Navigate to previous item
domainUpDownExt1.DownButton();  // Navigate to next item

Key Properties

Property	Type	Purpose	Common Values
`Items`	Collection	Gets the collection of items	Add/Remove items
`SelectedIndex`	Int32	Gets/sets the selected item index	0 to Items.Count - 1
`Text`	String	Gets/sets the current display text	Any string
`SpinOrientation`	Orientation	Controls spin button direction	Vertical, Horizontal
`UpDownAlign`	LeftRightAlignment	Controls spin button position	Left, Right
`InterceptArrowKeys`	Boolean	Enable/disable arrow key navigation	true, false
`BorderStyle`	BorderStyle	Sets border appearance	FixedSingle, Fixed3D, None
`BorderColor`	Color	Sets border color	Any System.Drawing.Color
`BackColor`	Color	Sets background color	Any System.Drawing.Color
`TextAlign`	HorizontalAlignment	Controls text alignment	Left, Center, Right
`MaxLength`	Int32	Maximum text length	0 to 32768

Common Use Cases

Numeric Range Selection - Allow users to select values from a predefined range
Category Navigation - Browse through predefined categories or options
Status Selection - Choose from discrete status values in a compact interface
Configuration Options - Select from a set of predefined configuration values
Priority Levels - Choose priority from a discrete set of values
Difficulty Levels - Select difficulty/intensity levels with spin navigation

FAQ

What does the syncfusion-winforms-domainupdownext skill do?

How do I install syncfusion-winforms-domainupdownext?

Run npx skills add https://github.com/syncfusion/winforms-ui-components-skills --skill syncfusion-winforms-domainupdownext in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/syncfusion-winforms-domainupdownext/ (personal) or .claude/skills/syncfusion-winforms-domainupdownext/ (project).

Which AI agents can use syncfusion-winforms-domainupdownext?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is syncfusion-winforms-domainupdownext safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains syncfusion-winforms-domainupdownext?

It is published by syncfusion in syncfusion/winforms-ui-components-skills. It has 76 recorded installs.