3rdpartylibs/fastreports.wpf/FastReport.Mono/Controls/FRToolStripDropDown.cs

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

namespace FastReport.Controls
{
    internal class FRToolStripDropDown : ToolStripDropDown
    {
        private ToolStripControlHost controlHost;

        public FRToolStripDropDown(Control control)
        {
            controlHost = new ToolStripControlHost(control);
            controlHost.AutoSize = false;
            Items.Add(controlHost);
            AutoSize = false;

            control.SizeChanged += Control_SizeChanged;
            Control_SizeChanged(control, EventArgs.Empty);
        }

        private void Control_SizeChanged(object sender, EventArgs e)
        {
            var control = sender as Control;
            controlHost.Size = control.Size;
#if !(WPF || AVALONIA)
            Size = new Size(control.Size.Width + 2, control.Size.Height + 2);
            control.Location = new Point(1, 1);
#endif
        }
    }
}