using Syncfusion.Windows.Forms;

public partial class Form1 : Form
{
    private PopupControlContainer popupControlContainer1;
    private Button button1;
    private RichTextBox richTextBox1;
    
    public Form1()
    {
        InitializeComponent();
        
        // Initialize popup container
        this.popupControlContainer1 = new PopupControlContainer();
        
        // Add child control (button in this example)
        this.button1 = new Button();
        this.button1.Text = "Click Me";
        this.button1.Location = new Point(10, 10);
        this.popupControlContainer1.Controls.Add(this.button1);
        
        // Configure popup
        this.popupControlContainer1.Size = new Size(200, 100);
        
        // Create parent control
        this.richTextBox1 = new RichTextBox();
        this.richTextBox1.Size = new Size(150, 50);
        this.richTextBox1.Location = new Point(20, 20);
        this.richTextBox1.Click += RichTextBox1_Click;
        
        // Associate popup with parent
        this.popupControlContainer1.ParentControl = this.richTextBox1;
        
        // Add controls to form
        this.Controls.Add(this.richTextBox1);
    }
    
    private void RichTextBox1_Click(object sender, EventArgs e)
    {
        // Show popup at default position
        this.popupControlContainer1.ShowPopup(Point.Empty);
    }
}

// Show at specific screen coordinates
this.popupControlContainer1.ShowPopup(new Point(100, 200));

// Show below parent control
Point location = this.richTextBox1.PointToScreen(
    new Point(0, this.richTextBox1.Height));
this.popupControlContainer1.ShowPopup(location);

// Simple hide
this.popupControlContainer1.HidePopup();

// Hide with close type
this.popupControlContainer1.HidePopup(PopupCloseType.Done);
this.popupControlContainer1.HidePopup(PopupCloseType.Canceled);

// Prevent auto-close on outside clicks
this.popupControlContainer1.IgnoreMouseMessages = true;

// Close only when condition is met
private void ValidateButton_Click(object sender, EventArgs e)
{
    if (ValidateInput())
    {
        this.popupControlContainer1.HidePopup(PopupCloseType.Done);
    }
}

private void PopupControlContainer1_CloseUp(object sender, PopupClosedEventArgs e)
{
    if (e.PopupCloseType == PopupCloseType.Done)
    {
        // Transfer data from popup to parent form
        this.textBox1.Text = this.popupTextBox.Text;
    }
    else if (e.PopupCloseType == PopupCloseType.Canceled)
    {
        // Discard changes
    }
}

private void PopupControlContainer1_BeforePopup(object sender, CancelEventArgs e)
{
    // Make popup resizable
    this.popupControlContainer1.PopupHost.FormBorderStyle = FormBorderStyle.SizableToolWindow;
    this.popupControlContainer1.Dock = DockStyle.Fill;
    
    // Set minimum size
    if (this.popupControlContainer1.PopupHost.Size.Width < 200)
    {
        this.popupControlContainer1.PopupHost.Size = new Size(200, 150);
    }
}

private void PopupControlContainer1_BeforePopup(object sender, CancelEventArgs e)
{
    // Set opacity for transparency
    this.popupControlContainer1.PopupHost.Opacity = 0.75;
}