public Reflection()
{
Type T1 = Type.GetType("CSharp.Customer6"); // same as below
Type T2 = typeof(Customer6); // same as above and below
Customer6 c1 = new Customer6();
Type T = c1.GetType(); // same as above
Console.WriteLine("Name={0}, Full Name={1}, Namespace={2}", T.Name, T.FullName, T.Namespace);
// get all properties of "CSharp.Customer6" class
PropertyInfo[] properties = T.GetProperties();
foreach (PropertyInfo property in properties)
{
Console.WriteLine("PropertyInfo Name={0} Type={1}", property.Name, property.PropertyType.Name);
}
// Methods in Customer6 class
MethodInfo[] methods = T.GetMethods();
foreach (MethodInfo method in methods)
{
Console.WriteLine("MethodsInfo ReturnType={0} Name={1}", method.ReturnType.Name, method.Name);
ParameterInfo[] parameters = method.GetParameters(); // is also available
}
/* there will be more methods listed in list because
* - every Type inherits directly on indirectly from System.Object
* System.Object has defined the 4 methods listed (GetType, GetHashCode, Equals, ToString)
*/
ConstructorInfo[] constructors = T.GetConstructors();
foreach (ConstructorInfo constructor in constructors)
{
Console.WriteLine("ConstructorInfo ToString()={0} Name={1}", constructor.ToString(), constructor.Name);
}
ReflectionSamples();
}
// late binding sample: very slow compared with early binding
// used only when objects are not available on compile time
public void ReflectionSamples()
{
// early binding is when compiler detects an error before program even get in the executable state.
Customer6 c1 = new Customer6();
string fullName = c1.GetFullName("fVali", "lVali");
Console.WriteLine("fullName={0}", fullName);
//late Binding
// load asssembly
Assembly executingAssembly = Assembly.GetExecutingAssembly();
Type customerType = executingAssembly.GetType("CSharp.Customer6");
MethodInfo GetFullNameMethod = customerType.GetMethod("GetFullName");
string[] parameters = new string[2]; // to be passes to discovered method
parameters[0] = "ValiF";
parameters[1] = "ValiF";
object customerInstance = Activator.CreateInstance(customerType);
string fullName2 = (string)GetFullNameMethod.Invoke(customerInstance, parameters);
Console.WriteLine("fullName2={0}", fullName2);
}
