public void TestDetours()
{
Console.WriteLine("Detours: none");
TestObject.TestStep(5, 6, 8);
Console.WriteLine();
// Three examples of using Detour.
// Note that if you need non-layered, low-level hooks, you can use NativeDetour instead.
// This is also why the variable type is IDetour.
// System.Linq.Expressions, thanks to leo (HookedMethod) for telling me about how to (ab)use MethodCallExpression!
IDetour detourTestMethodA = new Detour(
() => default(TestObject).TestMethod(default(int), default(int)),
() => TestMethod_A(default(TestObject), default(int), default(int))
);
// Method references as delegates.
IDetour detourTestStaticMethodA = new Detour <Func <int, int, int> >(
TestObject.TestStaticMethod,
TestStaticMethod_A
);
// MethodBase, old syntax.
IDetour detourTestVoidMethodA = new Detour(
typeof(TestObject).GetMethod("TestVoidMethod", BindingFlags.Static | BindingFlags.Public),
typeof(DetourTest).GetMethod("TestVoidMethod_A", BindingFlags.Static | BindingFlags.Public)
);
Console.WriteLine("Detours: A");
TestObject.TestStep(42, 12, 1);
Console.WriteLine("Testing trampoline, should invoke orig, TestVoidMethod(2, 3)");
detourTestVoidMethodA.GenerateTrampoline <Action <int, int> >()(2, 3);
Console.WriteLine();
IDetour detourTestMethodB = new Detour(
() => default(TestObject).TestMethod(default(int), default(int)),
() => TestMethod_B(default(TestObject), default(int), default(int))
);
IDetour detourTestStaticMethodB = new Detour(
() => TestObject.TestStaticMethod(default(int), default(int)),
() => TestStaticMethod_B(default(int), default(int))
);
IDetour detourTestVoidMethodB = new Detour(
() => TestObject.TestVoidMethod(default(int), default(int)),
() => TestVoidMethod_B(default(int), default(int))
);
Console.WriteLine("Detours: A + B");
TestObject.TestStep(120, 8, 2);
Console.WriteLine("Testing trampoline, should invoke hook A, TestVoidMethod(2, 3)");
Action <int, int> trampolineTestVoidMethodB = detourTestVoidMethodB.GenerateTrampoline <Action <int, int> >();
trampolineTestVoidMethodB(2, 3);
Console.WriteLine();
detourTestMethodA.Undo();
detourTestStaticMethodA.Undo();
detourTestVoidMethodA.Undo();
Console.WriteLine("Detours: B");
TestObject.TestStep(120, 8, 2);
Console.WriteLine("Testing trampoline, should invoke orig, TestVoidMethod(2, 3)");
trampolineTestVoidMethodB(2, 3);
Console.WriteLine();
detourTestMethodB.Undo();
detourTestStaticMethodB.Undo();
detourTestVoidMethodB.Undo();
Console.WriteLine("Detours: none");
TestObject.TestStep(5, 6, 8);
Console.WriteLine();
}
