Be.HexEditor.FormHexEditor.FindNext C# (CSharp) Method

        void FindNext()
        {
            if (_findBuffer.Length == 0)
            {
                Find();
                return;
            }

            // show cancel dialog
            _formFindCancel = new FormFindCancel();
            _formFindCancel.SetHexBox(hexBox);
            _formFindCancel.Closed += new EventHandler(FormFindCancel_Closed);
            _formFindCancel.Show();

            // block activation of main form
            Activated += new EventHandler(FocusToFormFindCancel);

            // start find process
            long res = hexBox.Find(_findBuffer, hexBox.SelectionStart + hexBox.SelectionLength);

            _formFindCancel.Dispose();

            // unblock activation of main form
            Activated -= new EventHandler(FocusToFormFindCancel);

            if (res == -1) // -1 = no match
            {
                MessageBox.Show(strings.FindOperationEndOfFile, Program.SOFTWARENAME,
                    MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else if (res == -2) // -2 = find was aborted
            {
                return;
            }
            else // something was found
            {
                if (!hexBox.Focused)
                    hexBox.Focus();
            }

            ManageAbility();
        }