private static void StructAllocString_IntPtrString()
{
MsEmployee_IntPtrString employee = new MsEmployee_IntPtrString();
employee.EmployeeID = 10001;
CPlusPlusLib.GetEmployeeInfoA(ref employee);
string displayName = Marshal.PtrToStringAnsi(employee.DisplayName);
string alias = Marshal.PtrToStringAnsi(employee.Alias);
Marshal.FreeCoTaskMem(employee.DisplayName);
Marshal.FreeCoTaskMem(employee.Alias);
Console.WriteLine("\nemployee Info IntPtrString:");
Console.WriteLine("ID: {0}", employee.EmployeeID);
Console.WriteLine("Year:{0}", employee.EmployedYear);
Console.WriteLine("Alias: {0}", alias);
Console.WriteLine("Name: {0}", displayName);
}
public extern static void GetEmployeeInfoA(ref MsEmployee_IntPtrString ppStruct);