using System;

​

using System.Collections.Generic;

​

using System.ComponentModel;

​

using System.Data;

​

using System.Drawing;

​

using System.Linq;

​

using System.Text;

​

using System.Threading.Tasks;

​

using System.Windows.Forms;

​

namespace WinFormsApp2

​

{

​

    public partial class Form1 : Form

​

    {

​

        public Form1()

​

        {

​

            InitializeComponent();

​

        }

​

        private void panel1_Paint(object sender, PaintEventArgs e)

​

        {

​

            panel1.BackColor = Color.FromArgb(100, 128, 128, 255);

​

        }

​

        private void openToolStripMenuItem_Click(object sender, EventArgs e)

​

        {

​

        }

​

        private void saveToolStripMenuItem_Click(object sender, EventArgs e)

​

        {

​

            MessageBox.Show("Save... is clicked", "Text Editor", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);

​

        }

​

        private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)

​

        {

​

            DialogResult result = MessageBox.Show("Save As... is clicked", "Text Editor", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);

​

        }

​

        private void closeToolStripMenuItem_Click(object sender, EventArgs e)

​

        {

​

            DialogResult result = MessageBox.Show("You Want Close this application?", "Text Editor", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);

​

            if (result == System.Windows.Forms.DialogResult.Yes)

​

            {

​

                Application.Exit();

​

            }

​

        }

​

        private void clearAllToolStripMenuItem_Click(object sender, EventArgs e)

​

        {

​

            DialogResult result = MessageBox.Show("You want to Clear All?", "Text Editor", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);

​

            if (result == DialogResult.Yes)

​

            {

​

                rTxtMain.Clear();

​

            }

​

        }

​

        private void btnBold_Click(object sender, EventArgs e)

​

        {

​

            if (btnBold.BackColor == SystemColors.Control)

​

            {

​

                btnBold.BackColor = SystemColors.ActiveBorder;

​

                rTxtMain.SelectionFont = new Font(rTxtMain.SelectionFont, FontStyle.Bold);

​

                rTxtMain.Font = new Font(rTxtMain.SelectionFont, FontStyle.Bold);

​

            }

​

            else

​

            {

​

                btnBold.BackColor = SystemColors.Control;

​

                rTxtMain.SelectionFont = new Font(rTxtMain.SelectionFont, FontStyle.Bold);

​

            }

​

        }

​

        private void btnItalic_Click(object sender, EventArgs e)

​

        {

​

            if (btnItalic.BackColor == SystemColors.Control)

​

            {

​

                btnItalic.BackColor = SystemColors.ActiveBorder;

​

                rTxtMain.SelectionFont = new Font(rTxtMain.SelectionFont, FontStyle.Italic);

​

                rTxtMain.Font = new Font(rTxtMain.SelectionFont, FontStyle.Italic);

​

            }

​

            else

​

            {

​

                btnItalic.BackColor = SystemColors.Control;

​

                rTxtMain.SelectionFont = new Font(rTxtMain.SelectionFont, FontStyle.Italic);

​

            }

​

        }

​

        private void btnUnderline_Click(object sender, EventArgs e)

​

        {

​

            if (btnUnderline.BackColor == SystemColors.Control)

​

            {

​

                btnUnderline.BackColor = SystemColors.ActiveBorder;

​

                rTxtMain.SelectionFont = new Font(rTxtMain.SelectionFont, FontStyle.Underline);

​

                rTxtMain.Font = new Font(rTxtMain.SelectionFont, FontStyle.Underline);

​

            }

​

            else

​

            {

​

                btnBold.BackColor = SystemColors.Control;

​

                rTxtMain.SelectionFont = new Font(rTxtMain.SelectionFont, FontStyle.Underline);

​

            }

​

        }

​

        private void cbmFontstyle_SelectedIndexChanged(object sender, EventArgs e)

​

        {

​

            try

​

            {

​

                rTxtMain.Font = new Font(cbmFontstyle.Text, rTxtMain.Font.Size);

​

            }

​

            catch { }

​

        }

​

        private void cmbSize_SelectedIndexChanged(object sender, EventArgs e)

​

        {

​

            try

​

            {

​

                rTxtMain.Font = new Font(rTxtMain.Font.FontFamily, float.Parse(cmbSize.SelectedItem.ToString()));

​

            }

​

            catch { }

​

        }

​

    }

​

}

​

​