using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Drawing;
using?System.Data;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

namespace?UI
{

????public?partial?class?Track2Bar?:?UserControl
????{
????????public?delegate?void?ChageValue（object?sender?EventArgs?e）;
????????public?event?ChageValue?OnChageValue;
????????bool?startMove?=?false;
????????int?clickX?=?0;??//記錄上次點擊的鼠標位置
????????int?clickY?=?0;


????????double?setp;
????????private?int?minvalue?=?0;
????????private?int?maxvalue?=?255;
????????public?int?MinValue
????????{
????????????get
????????????{
????????????????if?（minvalue?>=?255）
????????????????{

????????????????????return?255;
????????????????}
????????????????else?if?（minvalue?<=?0）
????????????????{

????????????????????return?0;
????????????????}

????????????????else
????????????????{

????????????????????return?minvalue;
????????????????}
????????????}
????????????set
????????????{
???????????????
????????????????value?=?minvalue;
????????????}

????????}
????????public?int?MaxValue
????????{
????????????get
????????????{
????????????????if?（maxvalue?>=?255）
????????????????{
????????????????????textBox2.Text?=?“255“;
????????????????????return?255;
????????????????}
????????????????else?if?（maxvalue?<=?0）
????????????????{
????????????????????textBox2.Text?=?“0“;
????????????????????return?0;
????????????????}

????????????????else
????????????????{
????????????????????textBox2.Text?=?maxvalue.ToString（）;
????????????????????return?maxvalue;
????????????????}


????????????}

????????????set
????????????{
???????????????
????????????????
????????????????value?=?maxvalue;
????????????}


????????}
????????public?Track2Bar（）
????????{
????????????InitializeComponent（）;
????????????setp?=?255?/?progressBar1.Width+0.00001;
????????}

????????private?void?button1_MouseDown（object?sender?MouseEventArgs?e）
????????{
????????????//鼠標按下事件
????????????clickX?=?e.X;
????????????clickY?=?e.Y;
????????????startMove?=?true;
????????}

????????private?void?button1_MouseMove（object?sender?MouseEventArgs?e）
????????{
???????
????????????if?（startMove）
????????????{
????????????????//?e.X?是正負數表示移動的方向
????????????????int?x?=?button1.Location.X?+?e.X?-?clickX;???//還要減去上次鼠標點擊的位置
????????????????int?y?=?button1.Location.Y;
????????????????button1.Location?=?new?Point（x?y）;
????????????????minvalue?=?Convert.ToInt32（（button1.Left?-?progressBar1.Left）?*?setp）;
????????????????progressBar1.Step?=?1;

????????????????if?（button1.Left?????????????????{
????????????????????button1.Left?=?progressBar1.Left;
????????????????????//?textBox1.Text?=?“0“;
????????????????????minvalue?=?0;
????????????????}
????????????????if?（button1.Right?>?progressBar1.Right）
????????????????{

????????????????????button1.Left?=?progress

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????196??2019-07-28?13:51??雙滑塊控件\UI\.vs\UI\DesignTimeBuild\.dtbcache

????..A..H.?????63488??2019-07-28?13:51??雙滑塊控件\UI\.vs\UI\v15\.suo

?????文件??????????0??2019-07-28?13:45??雙滑塊控件\UI\.vs\UI\v15\Server\sqlite3\db.lock

?????文件?????671744??2019-07-28?13:23??雙滑塊控件\UI\.vs\UI\v15\Server\sqlite3\storage.ide

?????文件??????32768??2019-07-28?13:45??雙滑塊控件\UI\.vs\UI\v15\Server\sqlite3\storage.ide-shm

?????文件????4136512??2019-07-28?13:51??雙滑塊控件\UI\.vs\UI\v15\Server\sqlite3\storage.ide-wal

?????文件??????10752??2019-07-28?13:49??雙滑塊控件\UI\UI\bin\Debug\UI.dll

?????文件??????17920??2019-07-28?13:49??雙滑塊控件\UI\UI\bin\Debug\UI.pdb

?????文件????????677??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6992??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件?????????42??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\UI.csproj.CoreCompileInputs.cache

?????文件????????370??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\UI.csproj.FileListAbsolute.txt

?????文件????????943??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\UI.csproj.GenerateResource.cache

?????文件??????10752??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\UI.dll

?????文件??????17920??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\UI.pdb

?????文件????????180??2019-07-28?13:49??雙滑塊控件\UI\UI\obj\Debug\UI.Track2Bar.resources

?????文件???????1311??2019-07-28?05:57??雙滑塊控件\UI\UI\Properties\AssemblyInfo.cs

?????文件???????7931??2019-07-28?13:49??雙滑塊控件\UI\UI\Track2Bar.cs

?????文件???????5565??2019-07-28?13:18??雙滑塊控件\UI\UI\Track2Bar.Designer.cs

?????文件???????5817??2019-07-28?13:49??雙滑塊控件\UI\UI\Track2Bar.resx

?????文件???????2606??2019-07-28?13:49??雙滑塊控件\UI\UI\UI.csproj

?????文件???????1607??2019-07-28?06:34??雙滑塊控件\UI\UI.sln

?????文件????????189??2019-07-28?06:33??雙滑塊控件\UI\WindowsFormsApp1\App.config

?????文件??????10752??2019-07-28?13:49??雙滑塊控件\UI\WindowsFormsApp1\bin\Debug\UI.dll

?????文件??????17920??2019-07-28?13:49??雙滑塊控件\UI\WindowsFormsApp1\bin\Debug\UI.pdb

?????文件???????9728??2019-07-28?13:49??雙滑塊控件\UI\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe

?????文件????????189??2019-07-28?06:33??雙滑塊控件\UI\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe.config

............此處省略49個文件信息