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

namespace?Demo_1
{
????public?partial?class?Form1?:?Form
????{
????????public?class?PanelEx?:?Panel
????????{
????????????public?PanelEx（）
????????????{
????????????????Setstyle（
????????????????????Controlstyles.AllPaintingInWmPaint?|
????????????????????Controlstyles.OptimizedDoubleBuffer?|
????????????????????Controlstyles.ResizeRedraw?|
????????????????????Controlstyles.SupportsTransparentBackColor?|
????????????????????Controlstyles.UserPaint
????????????????????true
????????????????????）;
????????????????Updatestyles（）;
????????????}
????????}

????????public?abstract?class?Draggableobject
????????{
????????????public?abstract?string?Id?{?get;?set;?}
???????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

????..A..H.?????33280??2019-06-09?18:43??Demo_1\.vs\Demo_1\v15\.suo

?????文件??????????0??2019-06-09?14:22??Demo_1\.vs\Demo_1\v15\Server\sqlite3\db.lock

?????文件?????585728??2019-06-09?18:17??Demo_1\.vs\Demo_1\v15\Server\sqlite3\storage.ide

?????文件??????32768??2019-06-09?17:23??Demo_1\.vs\Demo_1\v15\Server\sqlite3\storage.ide-shm

?????文件????4128272??2019-06-09?18:43??Demo_1\.vs\Demo_1\v15\Server\sqlite3\storage.ide-wal

?????文件????????189??2019-06-09?14:22??Demo_1\Demo_1\App.config

?????文件??????53060??2019-06-09?15:42??Demo_1\Demo_1\bin\Debug\01.jpg

?????文件?????107092??2019-06-09?15:42??Demo_1\Demo_1\bin\Debug\02.png

?????文件?????279992??2019-03-09?16:42??Demo_1\Demo_1\bin\Debug\back.jpg

?????文件??????12800??2019-06-09?18:42??Demo_1\Demo_1\bin\Debug\Demo_1.exe

?????文件????????189??2019-06-09?14:22??Demo_1\Demo_1\bin\Debug\Demo_1.exe.config

?????文件??????36352??2019-06-09?18:42??Demo_1\Demo_1\bin\Debug\Demo_1.pdb

?????文件???????3483??2019-06-09?14:22??Demo_1\Demo_1\Demo_1.csproj

?????文件???????8508??2019-06-09?18:43??Demo_1\Demo_1\Form1.cs

?????文件???????1228??2019-06-09?14:22??Demo_1\Demo_1\Form1.Designer.cs

?????文件?????????42??2019-06-09?17:34??Demo_1\Demo_1\obj\Debug\Demo_1.csproj.CoreCompileInputs.cache

?????文件????????399??2019-06-09?17:34??Demo_1\Demo_1\obj\Debug\Demo_1.csproj.FileListAbsolute.txt

?????文件????????954??2019-06-09?17:34??Demo_1\Demo_1\obj\Debug\Demo_1.csproj.GenerateResource.cache

?????文件??????12800??2019-06-09?18:42??Demo_1\Demo_1\obj\Debug\Demo_1.exe

?????文件??????36352??2019-06-09?18:42??Demo_1\Demo_1\obj\Debug\Demo_1.pdb

?????文件????????180??2019-06-09?17:34??Demo_1\Demo_1\obj\Debug\Demo_1.Properties.Resources.resources

?????文件????????831??2019-06-09?14:22??Demo_1\Demo_1\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7064??2019-06-09?14:22??Demo_1\Demo_1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2019-06-09?14:22??Demo_1\Demo_1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2019-06-09?14:22??Demo_1\Demo_1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2019-06-09?14:22??Demo_1\Demo_1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件????????518??2019-06-09?14:22??Demo_1\Demo_1\Program.cs

?????文件???????1310??2019-06-09?14:22??Demo_1\Demo_1\Properties\AssemblyInfo.cs

?????文件???????2825??2019-06-09?14:22??Demo_1\Demo_1\Properties\Resources.Designer.cs

?????文件???????5612??2019-06-09?14:22??Demo_1\Demo_1\Properties\Resources.resx

............此處省略19個(gè)文件信息