GetCurrentProcessId

C# Signature:

[DllImport("kernel32.dll")]
static extern uint GetCurrentProcessId();

VB Signature:

Declare Function GetCurrentProcessId Lib "kernel32" () As Integer

Boo Signature:

[DllImport("kernel32.dll")]
def GetCurrentProcessId() as int:
     pass

Sample Code:

class FindMyself
  {
    [DllImport("kernel32.dll")]
    public static extern uint GetCurrentProcessId();
  }

  class WhoAmI
  {
    private void LookUp()
    {
      uint MyID = FindMyself.GetCurrentProcessId();
    }
  }

Alternative Managed API:

Process.GetCurrentProcess().Id