Seal.Forms.ExecutionForm.ExecutionForm_FormClosing C# (CSharp) Method

        private void ExecutionForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (_thread != null && _thread.IsAlive)
            {
                DialogResult dlgResult = MessageBox.Show("You are about to Close the Form but a job is being executing.\r\nAre you sure ?", "Warning", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning);
                if (dlgResult != DialogResult.Yes)
                {
                    cancelJob();
                    e.Cancel = true;
                }
            }
        }