RichTextBox Keyword 비쥬얼 스튜디오 효과내기

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;

namespace WebSolus.Windows.Controls
{
    class KeyWordRichTextBox:RichTextBox
    {
        #region 속성
        /// <summary>
        /// 검색할 KeyWord를 가져오거나 설정합니다.
        /// </summary>
        public List<string> KeyWords {get;set; }
        #endregion

        #region 생성자
        /// <summary>
        /// 생성자
        /// </summary>
        public KeyWordRichTextBox()
        {
            InitializeComponent();
        }
        #endregion

        #region InitializeComponent
        /// <summary>
        /// InitializeComponent
        /// </summary>
        private void InitializeComponent()
        {
            this.SuspendLayout();
            this.ResumeLayout(false);
            this.KeyWords = new List<string>();
            this.KeyUp += new KeyEventHandler(KeyWordRichTextBox_KeyUp);
        }
        #endregion

        #region Api Function
        /// <summary>
        /// Caret의 위치를 가져옵니다.
        /// </summary>
        /// <param name="pt">Point 개체</param>
        /// <returns>true 성공,false 실패</returns>
        [System.Runtime.InteropServices.DllImport("user32.dll")]
        private static extern bool GetCaretPos(out System.Drawing.Point pt);
        #endregion

        #region Event
        /// <summary>
        /// 키를 놓을 때 발생합니다.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void KeyWordRichTextBox_KeyUp(object sender, KeyEventArgs e)
        {
            for (int i = 0; i < this.KeyWords.Count; i++)
            {
                string word = this.KeyWords[i];
                if (this.SelectionStart >= word.Length)
                {
                    int result = this.Find(word, this.SelectionStart - word.Length, this.SelectionStart, RichTextBoxFinds.MatchCase);
                    if (result != -1)
                    {
                        System.Drawing.Point nearPoint = new System.Drawing.Point();
                        GetCaretPos(out nearPoint);
                        int index = this.GetCharIndexFromPosition(nearPoint);
                        this.SelectionColor = System.Drawing.Color.Blue;
                        if (index + 1 == this.TextLength)
                        {
                            this.SelectionStart = index + 1;
                        }
                        else
                        {
                            this.SelectionStart = index;
                        }
                        this.SelectionColor = System.Drawing.Color.Black;
                        this.DeselectAll();

                    }

                }
            }
        }
        #endregion
    }
}

 

 

 

결과 이미지

 

 

 

 

 

프레임워크 버젼 : 닷넷 프레임워크 2.0

 

 

TestRichTextBox.zip