123 lines
2.2 KiB
C#
123 lines
2.2 KiB
C#
using System;
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using System.Threading;
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using System.Reflection;
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class I {
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public delegate string GetTextFn (string a);
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static public GetTextFn GetText;
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static string fn (string s)
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{
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return "(" + s + ")";
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}
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static I ()
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{
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GetText = new GetTextFn (fn);
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}
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}
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class X {
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public delegate int Foo (int i, int j);
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private void Thread_func () {
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Console.WriteLine ("Inside the thread !");
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}
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public int Func (int i, int j)
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{
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return i+j;
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}
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public void Bar ()
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{
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Foo my_func = new Foo (Func);
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int result = my_func (2, 4);
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Console.WriteLine ("Answer is : " + result);
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}
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static bool MyFilter (MemberInfo mi, object criteria)
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{
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Console.WriteLine ("You passed in : " + criteria);
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return true;
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}
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public static int Main ()
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{
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I.GetTextFn _ = I.GetText;
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Console.WriteLine ("Value: " + I.GetText);
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X x = new X ();
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Thread thr = new Thread (new ThreadStart (x.Thread_func));
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thr.Start ();
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Console.WriteLine ("Inside main ");
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thr.Join ();
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Console.WriteLine (_("Hello"));
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x.Bar ();
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MemberFilter filter = new MemberFilter (MyFilter);
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Type t = x.GetType ();
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MemberInfo [] mi = t.FindMembers (MemberTypes.Method, BindingFlags.Static | BindingFlags.NonPublic,
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Type.FilterName, "MyFilter");
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Console.WriteLine ("FindMembers called, mi = " + mi);
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Console.WriteLine (" Count: " + mi.Length);
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if (!filter (mi [0], "MyFilter"))
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return 1;
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//
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// This test is used to call into a delegate defined in a separate
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// namespace, but which is still not a nested delegate inside a class
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//
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NameSpace.TestDelegate td = new NameSpace.TestDelegate (multiply_by_three);
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if (td (8) != 24)
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return 30;
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//
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// Check the names that were used to define the delegates
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//
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if (td.GetType ().FullName != "NameSpace.TestDelegate")
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return 31;
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if (_.GetType ().FullName != "I+GetTextFn")
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return 32;
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Console.WriteLine ("Test passes");
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return 0;
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}
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static int multiply_by_three (int v)
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{
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return v * 3;
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}
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}
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namespace NameSpace {
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public delegate int TestDelegate (int a);
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}
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namespace TestNamespace
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{
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public class TestClass
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{
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public delegate float NotWorkingDelegate(float point, params object [] hiddenParams);
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}
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}
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