//grab a copy of the AutoHotkey singleton instance
var ahk = AutoHotkeyEngine.Instance;

//execute any raw ahk code
ahk.ExecRaw("MsgBox, Hello World!");

//create new hotkeys
ahk.ExecRaw("^a::Send, Hello World");

//programmatically set variables
ahk.SetVar("x", "1");
ahk.SetVar("y", "4");

//execute statements
ahk.ExecRaw("z:=x+y");

//return variables back from ahk
string zValue = ahk.GetVar("z");
Console.WriteLine("Value of z is {0}", zValue); // "Value of z is 5"

//Load a library or exec scripts in a file
ahk.LoadFile("functions.ahk");

//execute a specific function (found in functions.ahk), with 2 parameters
ahk.ExecFunction("MyFunction", "Hello", "World");

//execute a label 
ahk.ExecLabel("DOSTUFF");

//create a new function
string sayHelloFunction = "SayHello(name) \r\n { \r\n MsgBox, Hello %name% \r\n return \r\n }";
ahk.ExecRaw(sayHelloFunction);

//execute's newly made function\
ahk.ExecRaw(@"SayHello(""Mario"") ");


//execute a function (in functions.ahk) that adds 5 and return results
var add5Results = ahk.Eval("Add5( 5 )");
Console.WriteLine("Eval: Result of 5 with Add5 func is {0}", add5Results);

//you can also return results with the ExecFunction 
add5Results = ahk.ExecFunction("Add5", "5");
Console.WriteLine("ExecFunction: Result of 5 with Add5 func is {0}", add5Results);

//you can have AutoHotkey communicate with the hosting environment 
// 1 - Create Handler for your ahk code 
// 2 - Initalize Pipes Module, passing in your handler
// 3 - Use 'SendPipeMessage(string)' from your AHK code
var ipcHandler = new Func<string, string>(fromAhk => {
    Console.WriteLine("received message from ahk " + fromAhk);
    System.Threading.Thread.Sleep(3000); //simulating lots of work
    return ".NET: I LIKE PIE!";
});

//the initalize pipes module only needs to be called once per application
ahk.InitalizePipesModule(ipcHandler); 

ahk.ExecRaw(@"serverResponce := SendPipeMessage(""Hello from ahk"")
              MsgBox, responce from server was -- %serverResponce% ");