public void MyMethodGetType() // Syntax: Object.GetType() => give us datatype in Run-Time (Unknown)
{
Console.ForegroundColor = ConsoleColor.Green;
//-----------------
object MyObj = new object();
Console.WriteLine("object MyObj = new object(); : {0}", MyObj.GetType() + "\n");
//-----------------
MyBaseClass c1 = new MyBaseClass();
Console.WriteLine("MyBaseClass myClass = new MyBaseClass(); : {0}", c1.GetType() + "\n");
//-----------------
MyBaseClass c2 = new MyDerivedClass();
Console.WriteLine("MyBaseClass myBaseClass1 = new MyDerivedClass(); : {0}", c2.GetType() + "\n");
//-----------------
MyDerivedClass c3 = new MyDerivedClass();
Console.WriteLine("MyDerivedClass c3 = new MyDerivedClass(); : {0}" + c3.GetType() + "\n");
//-----------------
Object obj2 = "is a sample text";
Console.WriteLine("Object obj2 = 'is a sample text'; : {0}", obj2.GetType() + "\n");
//-----------------
string s = "is a sample text";
Console.WriteLine("string s = 'is a sample text'; : {0}", s.GetType() + "\n");
//-----------------
int i = 100;
Console.WriteLine("int i = 100; : {0}", i.GetType() + "\n");
Console.ResetColor();
}
public void MyMethodTypeOf() // Syntax: DataType.Typeof() => give us datatype in Compile-Time (Known)
{
Console.ForegroundColor = ConsoleColor.Red;
MyBaseClass m = new MyBaseClass();
Console.WriteLine("typeof(int); : {0}", typeof(int) + "\n");
Console.WriteLine("typeof(MyBaseClass); : {0}", typeof(MyBaseClass) + "\n");
Console.WriteLine("typeof(MyDerivedClass); : {0}", typeof(MyDerivedClass) + "\n");
Console.WriteLine("typeof(IGetType); : {0}", typeof(IGetType) + "\n");
Console.WriteLine("typeof(ITypeOf); : {0}", typeof(ITypeOf) + "\n");
Console.ResetColor();
//-------------------------------------------------------------------------
// UnComment lines one by one to find GetType() - TypeOf() functionality :
var i = 100;
//var i = 12.1f;
//var i=12.12;
//var i = 'C';
//var i= "Text";
if (i.GetType().Equals(typeof(int)))
{
Console.WriteLine("You enter an integer number : {0}", i);
}
else if ((i.GetType() == typeof(float)))
{
Console.WriteLine("You enter a float number : {0}", i);
}
else if ((i.GetType() == typeof(double)))
{
Console.WriteLine("You enter a double number : {0}", i);
}
else if ((i.GetType() == typeof(char)))
{
Console.WriteLine("You enter a Character : {0}", i);
}
else if ((i.GetType() == typeof(string)))
{
Console.WriteLine("You enter a string : {0}", i);
}
Console.ReadKey();
}