public int CompareTo(object obj)
{
//return -1 if first class is less than the second class
//return 0 of class data is same
//return 1 if second class is biggar than first class
emp temp = (emp)obj; //turn the second class into My data type
if (this.name == temp.name && this.salary == temp.salary)
{
return(0);
}
if (this.name.CompareTo(temp.name) < 0 && this.salary < temp.salary)
{
return(-1);
}
else
{
return(1);
}
}
//dll import end
static void Main(string[] args)
{
StringBuilder name = new StringBuilder(128);
UInt32 len = 128;
int result = GetComputerName(name, ref len);
Console.WriteLine(name);
emp e = new emp();
e.name = "bob";
emp e2 = new emp();
e2 = (emp)e.Clone();
e.print_t4();
//disposing of class memory
//1. Make it null
e = null; //does not remove the memory immediately
//2. Put in brackets
{
emp f = new emp(); //does not remove the memory immediately
}
//3. Do 1 or 2 and then issue Collect command
System.GC.Collect(); //memory is gone
//4. Use IDisposable interface to remove memory
using (emp g = new emp())
{
//do coding here
}//memory is removed here
//call a DLL from .NET
string person = Microsoft.VisualBasic.Interaction.InputBox("Enter your name");
Console.WriteLine(person);
//call a COM program
Microsoft.Office.Interop.PowerPoint.ApplicationClass p = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//p.Help();
Console.ReadLine();
}