■ RichTextBox 클래스에서 위/아래 첨자를 사용하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 이벤트를 설정한다. Load += Form_Load; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.richTextBox.Text = "2H2 + O2 = 2H2O\n32 + 42 = 52"; float fontSize = this.richTextBox.Font.Size; Font smallFont = new Font(this.richTextBox.Font.FontFamily, fontSize * 0.75f); int[] subscriptIndexArray = { 2, 7, 13 }; int offset = (int)(fontSize * 0.5); foreach(int subscriptIndex in subscriptIndexArray) { this.richTextBox.Select(subscriptIndex, 1); this.richTextBox.SelectionCharOffset = -offset; this.richTextBox.SelectionFont = smallFont; } int[] superscriptIndexArray = { 17, 22, 27 }; foreach(int superscriptIndex in superscriptIndexArray) { this.richTextBox.Select(superscriptIndex, 1); this.richTextBox.SelectionCharOffset = +offset; this.richTextBox.SelectionFont = smallFont; } this.richTextBox.Select(0, richTextBox.Text.Length); this.richTextBox.SelectionAlignment = HorizontalAlignment.Center; this.richTextBox.Select(0, 0); } #endregion } } |
