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Since I upgraded Elegant Ribbon from version 3.8 to 4.0 my application frequently crashes with Stack Overflow exception (unfortunately stack trace of this exception is not available in this case).

Exception happens randomly after few hours of application usage. Did you change something drastically in version 4.0?

Here is simple example how you can reproduce problem:

using System;
using System.Windows.Forms;
 
namespace ElegantRibbonTest
{
	public partial class Form1 : Form
	{
		public Form1()
		{
			InitializeComponent();
		}
 
		protected override void OnShown(EventArgs e)
		{
			base.OnShown(e);
 
			System.Windows.Forms.TextBox winFormsTextBox = new TextBox();
			winFormsTextBox.Text = "Test";
			winFormsTextBox.Width = 100;
			Controls.Add(winFormsTextBox);
			Controls.Remove(winFormsTextBox);
			winFormsTextBox.Dispose(); //successfully disposed
 
			Elegant.Ui.TextBox textBox = new Elegant.Ui.TextBox();
			textBox.Text = "Test";
			textBox.Width = 100;
			Controls.Add(textBox);
			Controls.Remove(textBox);
			textBox.Dispose(); //System.StackOverflowException exception
		}
	}
}

I think it has something to do with dynamic Elegant Ribbon controls creation (Elegant.Ui.TextBox and Elegant.Ui.Button) and Dispose() call...

Thank you for the bug report. We have fixed it and will send you the updated assemblies soon.