Introduction - If you have any usage issues, please Google them yourself
CalculateSum procedures used to refuse the user to restart operations (to prevent duplication of operation), is actually blocking the user interface to do (vs2005).
Packet : 115157680calculatesum.rar filelist
CalculateSum\CalculateSum\CalculateSum.csproj
CalculateSum\CalculateSum\CalculateSum.csproj.user
CalculateSum\CalculateSum\MainForm.cs
CalculateSum\CalculateSum\MainForm.Designer.cs
CalculateSum\CalculateSum\MainForm.resx
CalculateSum\CalculateSum\Program.cs
CalculateSum\CalculateSum\Properties\AssemblyInfo.cs
CalculateSum\CalculateSum\Properties\Resources.Designer.cs
CalculateSum\CalculateSum\Properties\Resources.resx
CalculateSum\CalculateSum.sln
CalculateSum\CalculateSum\Properties
CalculateSum\CalculateSum
CalculateSum