private void FindingForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            foreach (TabPage tabPage in TabControlMethods.TabControl.TabPages)
            {
                TypingArea textArea = (tabPage.Controls[0] as MyRichTextBox).TypingArea;
                textArea.ClearBackColor(textArea.BackColor);
            }

            this.Visible = false;

            e.Cancel = true;
        }
        private void findButton_Click(object sender, EventArgs e)
        {
            TypingArea currentTextArea = TabControlMethods.CurrentTextArea;

            previousText = currentTextArea.Text;

            //Remove the highlight backcolor of the privous search
            currentTextArea.ClearBackColor(currentTextArea.BackColor);

            textsFound.Clear();
            textsFound = currentTextArea.FindAndColorAll(searchTextbox.Text, AllFoundTextBackColor);

            indexOfSearchText = -1;

            this.Focus();
        }