static void Main(string[] args)
{
Console.WriteLine(Fname);
BasicMath bm = new BasicMath();
Console.WriteLine("sum = {0}", bm.Add(10.45, 243.39));
//different ways to create type instance
//System.Object
Type t = bm.GetType();
System.Reflection.MethodInfo mtInfo = t.GetMethod("Add");
Console.WriteLine("is Add public {0}", mtInfo.IsPublic);
//typeof
Type typo = typeof(BasicMath);
//you don't need compile time info about the type
//System.Type.GetType (static method)
try
{
// Obtain type information for a type within an external assembly.
//fully qualified name of the type, friendly name of the assembly
Type sysType = System.Type.GetType("MathLibrary.BasicMath, MathLibrary", true, false);
//Obtain type information for a nested class (add + for nested types)
System.Type.GetType("MathLibrary.BasicMath+Trigonometry, MathLibrary", true, false);
}
catch(Exception e)
{
Console.WriteLine(e.Message);
}
/*“back tick” character (`) followed by a numerical value that represents
the number of type parameters*/
//System.Collections.Generic.List<T>
Type tInfo = System.Type.GetType("System.Collections.Generic.List`1, mscorlib", true, false);
RedReflector rdr = new RedReflector();
rdr.ListMethods(tInfo);
//rdr.ListProperties(tInfo);
rdr.ListInterfaces(tInfo);
rdr.ListStats(tInfo);
//dynamically loading assembly
ExternalAssemblyReflector ear = new ExternalAssemblyReflector();
//ear.DisplayTypesInAsm(Assembly.LoadFrom(@"G:\naynish\Pro C# 2010 and the .NET 4 Platform\ReflectionLateBindingAttributeBased\ConsoleApplication1\MathLibrary\bin\Debug\MathLibrary.dll"));
String extPath = @"G:\naynish\Pro C# 2010 and the .NET 4 Platform\ReflectionLateBindingAttributeBased\ConsoleApplication1\SimpleEmployee\bin\Debug\SimpleEmployee.dll";
AssemblyName asmName = new AssemblyName();
//path including the extension
asmName.Name = extPath;
//LoadFrom because the assembly is not in the bin directory of ConsoleApplication1
ear.DisplayTypesInAsm(Assembly.LoadFrom(asmName.ToString()));
//loading shared assemblies
Assembly myAssembly = Assembly.Load(@"System.Windows.Forms, Version = 4.0.0.0, PublicKeyToken = b77a5c561934e089, Culture = """);
ear.DisplayTypesInSharedAsm(myAssembly);
AssemblyName customMyAssembly = new AssemblyName();
customMyAssembly.Name = "CustomLibrary";
Version v = new Version("1.0.0.0");
customMyAssembly.Version = v;
Assembly a = Assembly.Load(customMyAssembly);
ear.DisplayTypesInAsm(a);
AttributeBased ab = new AttributeBased();
//ab.salary; (error on reflecting over this type using C# compiler)
//reflect over an attributed type
AssemblyName name = new AssemblyName();
name.Name = "AttributedEmployeeLibrary";
Assembly myAttr = Assembly.Load(name);
Type tp = myAttr.GetType("AttributedEmployeeLibrary.VicePresident");
Object myInstance = Activator.CreateInstance(tp);
MethodInfo info = tp.GetMethod("GetFname");
Console.WriteLine(info.Invoke(myInstance, null));
Object[] custAttr = tp.GetCustomAttributes(false);
foreach (var item in custAttr)
{
Console.WriteLine(item);
}
foreach (Type item in myAttr.GetTypes())
{
foreach (object item1 in item.GetCustomAttributes(myAttr.GetType("AttributedEmployeeLibrary.EmployeeDescriptionAttribute"), false))
{
Console.WriteLine((myAttr.GetType("AttributedEmployeeLibrary.EmployeeDescriptionAttribute").GetProperty("Description")).GetValue(item1,null));
}
}
Console.ReadLine();
}
