using System;
using System.Drawing;
using System.Windows.Forms;
using Syncfusion.Windows.Forms;

public class ColorPickerForm : Form
{
    private ColorUIControl colorUIControl1;
    
    public ColorPickerForm()
    {
        InitializeComponent();
    }
    
    private void InitializeComponent()
    {
        // Create ColorUIControl instance
        this.colorUIControl1 = new ColorUIControl();
        
        // Set size
        this.colorUIControl1.Size = new Size(210, 200);
        this.colorUIControl1.Location = new Point(20, 20);
        
        // Set initial color and group
        this.colorUIControl1.SelectedColor = Color.OrangeRed;
        this.colorUIControl1.SelectedColorGroup = 
            ColorUISelectedGroup.StandardColors;
        
        // Handle color selection
        this.colorUIControl1.ColorSelected += ColorUIControl1_ColorSelected;
        
        // Add to form
        this.Controls.Add(this.colorUIControl1);
        
        // Form settings
        this.Text = "Color Picker Example";
        this.Size = new Size(300, 300);
    }
    
    private void ColorUIControl1_ColorSelected(object sender, EventArgs e)
    {
        Color selectedColor = this.colorUIControl1.SelectedColor;
        MessageBox.Show($"Selected Color: {selectedColor.Name}");
    }
}

Imports System.Drawing
Imports System.Windows.Forms
Imports Syncfusion.Windows.Forms

Public Class ColorPickerForm
    Inherits Form
    
    Private colorUIControl1 As ColorUIControl
    
    Public Sub New()
        InitializeComponent()
    End Sub
    
    Private Sub InitializeComponent()
        ' Create ColorUIControl instance
        Me.colorUIControl1 = New ColorUIControl()
        
        ' Set size
        Me.colorUIControl1.Size = New Size(210, 200)
        Me.colorUIControl1.Location = New Point(20, 20)
        
        ' Set initial color and group
        Me.colorUIControl1.SelectedColor = Color.OrangeRed
        Me.colorUIControl1.SelectedColorGroup = _
            ColorUISelectedGroup.StandardColors
        
        ' Handle color selection
        AddHandler Me.colorUIControl1.ColorSelected, _
            AddressOf ColorUIControl1_ColorSelected
        
        ' Add to form
        Me.Controls.Add(Me.colorUIControl1)
        
        ' Form settings
        Me.Text = "Color Picker Example"
        Me.Size = New Size(300, 300)
    End Sub
    
    Private Sub ColorUIControl1_ColorSelected(sender As Object, e As EventArgs)
        Dim selectedColor As Color = Me.colorUIControl1.SelectedColor
        MessageBox.Show($"Selected Color: {selectedColor.Name}")
    End Sub
End Class

// Display only Standard and Custom color groups
this.colorUIControl1.ColorGroups = 
    ColorUIGroups.StandardColors | ColorUIGroups.CustomColors;

// Enable panel stretching for better visual layout
this.colorUIControl1.CustomColorsStretchOnResize = true;

// Set border style
this.colorUIControl1.BorderStyle = BorderStyle.FixedSingle;

// Customize tab names
this.colorUIControl1.StandardTabName = "Web Colors";
this.colorUIControl1.SystemTabName = "System";
this.colorUIControl1.UserTabName = "My Colors";
this.colorUIControl1.CustomTabName = "Theme Palette";

// Customize font
this.colorUIControl1.Font = new Font("Segoe UI", 9F);

// Setup: Create PopupMenu, PopupControlContainer, and ColorUIControl
private PopupMenu popupMenu1;
private PopupControlContainer popupContainer1;
private ColorUIControl colorUIControl1;
private Panel colorButton;

private void InitializePopupColorPicker()
{
    // Create and configure ColorUIControl
    colorUIControl1 = new ColorUIControl();
    colorUIControl1.Size = new Size(210, 200);
    
    // Create PopupControlContainer and add ColorUI
    popupContainer1 = new PopupControlContainer();
    popupContainer1.Controls.Add(colorUIControl1);
    
    // Create PopupMenu
    popupMenu1 = new PopupMenu();
    
    // Add DropDownBarItem to popup menu
    var dropDownItem = new DropDownBarItem();
    dropDownItem.PopupControlContainer = popupContainer1;
    popupMenu1.ParentBarItem.Items.Add(dropDownItem);
    
    // Handle panel click to show popup
    colorButton.MouseUp += ColorButton_MouseUp;
    
    // Close popup when color selected
    colorUIControl1.ColorSelected += ColorUIControl1_ColorSelected;
}

private void ColorButton_MouseUp(object sender, MouseEventArgs e)
{
    popupMenu1.Show(colorButton, new Point(e.X, e.Y));
}

private void ColorUIControl1_ColorSelected(object sender, EventArgs e)
{
    // Update UI with selected color
    colorButton.BackColor = colorUIControl1.SelectedColor;
    
    // Close the popup
    var cuiControl = sender as ColorUIControl;
    var pcc = cuiControl.Parent as PopupControlContainer;
    pcc.HidePopup(PopupCloseType.Done);
}

// Customize UserColors collection with blue gradient
for (int i = 0; i < colorUIControl1.UserColors.Count; i++)
{
    colorUIControl1.UserColors[i] = Color.FromArgb(0, 0, i * 5);
}

// Customize UserCustomColors collection with red gradient
for (int i = 0; i < colorUIControl1.UserCustomColors.Count; i++)
{
    colorUIControl1.UserCustomColors[i] = Color.FromArgb(i * 15, 0, 0);
}

// Make sure UserColors group is displayed
colorUIControl1.ColorGroups = 
    ColorUIGroups.StandardColors | 
    ColorUIGroups.CustomColors | 
    ColorUIGroups.UserColors;

// Select UserColors group by default
colorUIControl1.SelectedColorGroup = ColorUISelectedGroup.UserColors;

// Enable stretching
colorUIControl1.UserColorsStretchOnResize = true;