ScreenToGif.Modern.btnConfig_Click C# (CSharp) Method

        private void btnConfig_Click(object sender, EventArgs e)
        {
            Control ctrlParent = panelTransparent; //Defines the parent

            if (!btnConfig.Checked)
            {
                ctrlParent.Controls.Clear(); //Removes all pages

                this.TransparencyKey = Color.LimeGreen;
                panelTransparent.BackColor = Color.LimeGreen;
            }
            else
            {
                panelTransparent.BackColor = Color.FromArgb(239, 239, 242);

                panelTransparent.Visible = false;
                ctrlParent.Controls.Clear(); //Removes all pages
                ctrlParent.Controls.Add(_appSettings);
                _appSettings.Dock = DockStyle.Fill;
                panelTransparent.Visible = true;

                btnGifConfig.Checked = false;
                btnInfo.Checked = false;

                this.TransparencyKey = Color.Empty;
            }
        }