■ RichTextBox 클래스에서 이미지를 캡처하는 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(); Load += Form_Load; this.captureButton.Click += captureButton_Click; } #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 = "Outside of a dog, a book is man's best friend. Inside of a dog it's too dark to read."; this.richTextBox.Select(18, 27); this.richTextBox.SelectionColor = Color.Blue; this.richTextBox.Select(20, 4); this.richTextBox.SelectionFont = new Font(richTextBox.Font, FontStyle.Italic); this.richTextBox.Select(63, 21); this.richTextBox.SelectionColor = Color.Red; this.richTextBox.SelectionFont = new Font(richTextBox.Font, FontStyle.Bold); this.richTextBox.Select(0, 0); } #endregion #region Capture 버튼 클릭시 처리하기 - captureButton_Click(sender, e) /// <summary> /// Capture 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void captureButton_Click(object sender, EventArgs e) { this.pictureBox.Image = GetBitmap(this.richTextBox); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 비트맵 구하기 - GetBitmap(richTextBox) /// <summary> /// 비트맵 구하기 /// </summary> /// <param name="richTextBox">리치 텍스트 박스</param> /// <returns>비트맵</returns> private Bitmap GetBitmap(RichTextBox richTextBox) { this.richTextBox.Update(); int width = this.richTextBox.ClientSize.Width; int height = this.richTextBox.ClientSize.Height; Bitmap bitmap = new Bitmap(width, height); using(Graphics graphics = Graphics.FromImage(bitmap)) { graphics.CopyFromScreen ( this.richTextBox.PointToScreen(new Point(0, 0)), new Point(0, 0), richTextBox.ClientSize ); } return bitmap; } #endregion } } |
