searchandmark.cs

来自「自己做的一个浏览器~~大家请看看~如果合意给个彩头」· CS 代码 · 共 70 行

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace WebPort.Tools
{
	public partial class SearchAndMark : ToolStrip
	{
		public SearchAndMark()
		{
			InitializeComponent();
		}

		private void Mark(string text, string fore, string bg)
		{
			MainForm main = this.FindForm() as MainForm;
			if (main != null)
			{
				try
				{
					HtmlDocument doc = main.GetDocument();
					string func = string.Format("highlight_{0}", Guid.NewGuid().ToString().Replace("-", ""));
					string code = string.Format(@"function {0}(text)
					{{
						var r=document.body.createTextRange();
						while(r.findText(text))
						{{
							r.execCommand('BackColor','','{1}');
							r.execCommand('ForeColor','','{2}');
							r.execCommand('Bold','','');
							r.collapse(false);
						}}
					}}", func, bg, fore);
					Script script = new Script(doc);
					script.Execute(code, null);
					script.Invoke(func, text);
				}
				catch
				{
				}
			}
		}

		private void tsGo_Click(object sender, EventArgs e)
		{
			Mark(tsText.Text, "red", "yellow");
		}

		private void tsText_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if (e.KeyChar == 13)
			{
				tsText.SelectAll();
				tsGo_Click(tsGo, EventArgs.Empty);
				e.Handled = true;
			}
		}

		private void tsText_Enter(object sender, EventArgs e)
		{
			tsText.Focus();
			tsText.SelectAll();
		}
	}
}