How can I do ' Shell App.Path & "\TCCal.exe", vbNormalFocus' thing in.NET?

[goodmorningsky]

Hi, all
I do call Shell function in VB6 or ShellExecute WIN32 api to execute other exe file as follow,
Shell App.Path & "\TCCal.exe", vbNormalFocus

How can I do this thing in .NET ( Im using C#)?
(&& how to use WIN32 api?)

Thank you all..

 

[dynamic_sysop]

Process.Start(" path of file including .exe ")

 

[goodmorningsky]

Thank you for your help.