public static extern void GetStartupInfo(ref STARTUPINFO lpStartupInfo);
public static extern int CreateProcess(string lpApplicationName, string lpCommandLine,
ref SECURITY_ATTRIBUTES lpProcessAttributes,
ref SECURITY_ATTRIBUTES lpThreadAttributes, int bInheritHandles,
int dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDriectory,
ref STARTUPINFO lpStartupInfo,
ref PROCESS_INFORMATION lpProcessInformation);