Csharp: Winform 顏色選擇器 Color convert RGB and RGB convert Color

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/// <summary>        /// 選擇顏色        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button2_Click(object sender, EventArgs e)        {            //是否選擇了顏色            if (colorDialog1.ShowDialog(this) == DialogResult.OK)            {                //System.Drawing.Color.FromArgb                this.textBox2.Text = ColorTranslator.ToHtml(colorDialog1.Color);                this.textBoxA.Text = colorDialog1.Color.A.ToString();                this.textBoxB.Text = colorDialog1.Color.B.ToString();                this.textBoxG.Text = colorDialog1.Color.G.ToString();                this.textBoxR.Text = colorDialog1.Color.R.ToString();                this.textBoxArgb.Text = colorDialog1.Color.ToArgb().ToString();                    //1                //this.button1.BackColor = ColorTranslator.FromHtml(this.textBox2.Text.Trim());                //2                //this.button1.BackColor =Color.FromArgb(int.Parse(this.textBoxArgb.Text.Trim()));                //3                this.button1.BackColor = Color.FromArgb(int.Parse(this.textBoxR.Text.Trim()), int.Parse(this.textBoxG.Text.Trim()), int.Parse(this.textBoxB.Text.Trim()));                               }        }        /// <summary>        /// 選擇字體        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button3_Click(object sender, EventArgs e)        {            if (fontDialog1.ShowDialog(this) == DialogResult.OK)            {                this.textBox1.Text = fontDialog1.Font.ToString();            }        }