using?System;
using?System.Collections.Generic;
using?System.Windows.Forms;
using?System.Drawing;
using?System.ComponentModel;


namespace?CSSDemo
{
??public?class?EditCtrl?:?UserControl
??{
????public?EditCtrl（）
????{
??????BackColor?=?SystemColors.Window;
??????AutoScroll?=?true;
??????DoubleBuffered?=?true;
??????Font?=?new?Font（“Courier?New“?13?Fontstyle.Regular?GraphicsUnit.Pixel）;
??????linemarker?=?-1;
??????timer?=?new?Timer（）;
??????timer.Interval?=?500;
??????timer.Tick?+=?new?EventHandler（OnTimer）;
??????text?=?““;
????}

????public?void?Select（int?a）
????{
??????Select（a?a）;
????}
????public?void?Select（int?a?int?b）
????{
??????if?（（selstart?==?a）?&&?（selend?==?b））?return;
??????selstart?=?a;?selend?=?b;
??????if?（!this.IsHandleCreated）?return;

??????bool?war?=?timer.Enabled;
??????timer.Enabled?=?false;
??????careton?=?true;
??????timer.Enabled?=?war;

??????Invalidate（）;
??????OnSelChanged（）;

??????lastx?=?0;
????}
????public?void?ScrollVisible（）
????{
??????int?y?=?4?+?LineFromPos（selend）?*?chardy;
??????if?（y?+?AutoScrollPosition.Y???????{
????????AutoScrollPosition?=?new?Point（0?y）;
????????Update（）;
??????}
??????else
????????if?（y?+?chardy?+?AutoScrollPosition.Y?>?Height）
????????{
??????????AutoScrollPosition?=?new?Point（0?y?+?chardy?-?Height）;
??????????Update（）;
????????}
????}
????void?Replace（String?s）
????{
??????int?a?=?Math.Min（selstart?selend）;
??????int?b?=?Math.Max（selstart?selend）;

??????UndoUnit?undo?=?new?UndoUnit（）;
??????undo.s?=?!String.IsNullOrEmpty（s）???s?:?null;
??????undo.i?=?a;
??????undo.n?=?b?-?a;
??????undo.Execute（this）;

??????if?（undos.Count?>?iundo）
????????undos.RemoveRange（iundo?undos.Count?-?iundo）;
??????undos.Add（undo）;?iundo++;
????}
????public?void?ClearUndo（）
????{
??????undos.Clear（）;?iundo?=?0;
????}

????public?bool?ReadOnly
????{
??????get?{?return?_readonly;?}
??????set
??????{
????????if?（_readonly?==?value）?return;
????????_readonly?=?value;
????????BackColor?=?_readonly???SystemColors.Control?:?SystemColors.Window;
??????}
????}

????public?String?EditText
????{
??????get?{?return?text;?}
??????set
??????{
????????ClearUndo（）;?selstart?=?selend?=?0;
????????text?=?value;
????????Format（）;?OnTextChanged（）;
??????}
????}

????public?bool?IsModified?{?get?{?return?iundo?>?0;?}?}
????public?String?GetSelectedText（）
????{
??????int?a?=?Math.Min（selstart?selend）;
??????int?b?=?Math.Max（selstart?selend）;
??????return?text.Substring（a?b?-?a）;
????}
????public?int?SelStart?{?get?{?return?selstart;?}?}
????public?int?SelEnd?{?get?{?return?selend;?}?}
????public?int?SelMin?{?get?{?return?Math.Min（selstart?selend）;?}?}
????public?int?SelMax?{?get?{?return?Math.Max（selstart?selend）;?}?}
????public?int?LineMarker?{?get?{?return?linemarker;?}?set?{?if?（linemarker?!=?value）?{?linemarker?=?value;?Invalidate（）;?}?}?}
????public?List?BreakPoints
????{
??????get?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-05-09?11:36??CSSDemo\bin\
?????目錄???????????0??2011-05-09?11:36??CSSDemo\bin\Debug\
?????文件???????69120??2011-05-09?18:38??CSSDemo\bin\Debug\CSSDemo.exe
?????文件???????14848??2011-05-09?18:38??CSSDemo\bin\Debug\CSSDemo.vshost.exe
?????文件????????3647??2011-05-09?14:17??CSSDemo\CSSDemo.csproj
?????文件?????????903??2011-05-09?11:36??CSSDemo\CSSDemo.sln
?????文件???????20992??2011-05-09?18:38??CSSDemo\CSSDemo.suo
?????目錄???????????0??2011-05-09?15:56??CSSDemo\Demos\
?????文件????????1975??2011-05-09?16:48??CSSDemo\Demos\Test1.csss
?????文件?????????288??2011-05-09?16:51??CSSDemo\Demos\Test2.csss
?????文件???????23424??2011-05-09?15:31??CSSDemo\EditCtrl.cs
?????文件???????11445??2011-05-09?18:38??CSSDemo\Program.cs
?????目錄???????????0??2011-05-09?11:38??CSSDemo\Properties\
?????文件?????????511??2011-05-09?11:38??CSSDemo\Properties\AssemblyInfo.cs
?????文件????????2808??2011-05-09?11:36??CSSDemo\Properties\Resources.Designer.cs
?????文件????????5612??2011-05-09?11:36??CSSDemo\Properties\Resources.resx
?????文件????????1040??2011-05-09?11:36??CSSDemo\Properties\Settings.Designer.cs
?????文件?????????249??2011-05-09?11:36??CSSDemo\Properties\Settings.settings
?????文件???????79348??2011-05-09?15:42??CSSDemo\script.cs