File list (Check if you may need any files):
C#单片机串口通信上位机学习
..........................\MCU下位机
..........................\.........\DTB_1C.DSN
..........................\.........\DTB_1C.PWI
..........................\.........\Last Loaded DTB_1C.DBK
..........................\.........\code
..........................\.........\....\code
..........................\.........\....\code.M51
..........................\.........\....\code.Opt
..........................\.........\....\code.Uv2
..........................\.........\....\code.hex
..........................\.........\....\code.lnp
..........................\.........\....\code.plg
..........................\.........\....\code_Opt.Bak
..........................\.........\....\code_Uv2.Bak
..........................\.........\....\driver
..........................\.........\....\main.lst
..........................\.........\....\main.obj
..........................\.........\....\user
..........................\.........\....\....\main.c
..........................\PC上位机
..........................\........\Backup
..........................\........\......\PC上位机
..........................\........\......\........\Form1.Designer.cs
..........................\........\......\........\Form1.cs
..........................\........\......\........\Form1.resx
..........................\........\......\........\PC上位机.csproj
..........................\........\......\........\Program.cs
..........................\........\......\........\Properties
..........................\........\......\........\..........\AssemblyInfo.cs
..........................\........\......\........\..........\Resources.Designer.cs
..........................\........\......\........\..........\Resources.resx
..........................\........\......\........\..........\Settings.Designer.cs
..........................\........\......\........\..........\Settings.settings
..........................\........\......\PC上位机.sln
..........................\........\......\PC上位机.suo
..........................\........\PC上位机
..........................\........\........\Form1.Designer.cs
..........................\........\........\Form1.cs
..........................\........\........\Form1.resx
..........................\........\........\PC上位机.csproj
..........................\........\........\Program.cs
..........................\........\........\Properties
..........................\........\........\..........\AssemblyInfo.cs
..........................\........\........\..........\Resources.Designer.cs
..........................\........\........\..........\Resources.resx
..........................\........\........\..........\Settings.Designer.cs
..........................\........\........\..........\Settings.settings
..........................\........\........\bin
..........................\........\........\...\Debug
..........................\........\........\...\.....\PC上位机.exe
..........................\........\........\...\.....\PC上位机.pdb
..........................\........\........\...\.....\PC上位机.vshost.exe
..........................\........\........\...\.....\PC上位机.vshost.exe.manifest
..........................\........\........\...\Release
..........................\........\........\obj
..........................\........\........\...\Debug
..........................\........\........\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
..........................\........\........\...\.....\PC上位机.Form1.resources
..........................\........\........\...\.....\PC上位机.Properties.Resources.resources
..........................\........\........\...\.....\PC上位机.csproj.FileListAbsolute.txt
..........................\........\........\...\.....\PC上位机.csproj.GenerateResource.Cache
..........................\........\........\...\.....\PC上位机.exe
..........................\........\........\...\.....\PC上位机.pdb
..........................\........\........\...\.....\Refactor
..........................\........\........\...\.....\TempPE
..........................\..