C#

static void Main()
{
    int x = 1;
    int y = 2;
    int z = 3;
    
    fun1(x, () => fun2(y));
    fun1(x, () => fun3(y, z));
}

static void fun1(int x, Action call)
{
    call();
}

static void fun2(int y) { ... }
static void fun3(int y, int z) { ... }

static void Main()
{
    int x = 1;
    int z = 3;
    fun1(x, y => fun2(y));
    fun1(x, y => fun3(y, z));
}

static void fun1(int x, Action<int> call)
{
    call(x);
}

static void fun2(int y) { ... }
static void fun3(int y, int z) { ... }

smallkubi wrote:

I think maybe paint problem.

smallkubi wrote:

When i ask before, i get the answer is point number is too big.

Bastard Programmer from Hell
If you can't read my code, try converting it here[^]

Thread th = new Thread(() => fun1(x, y => fun3(y, z)));

Action<int> call = y => fun3(y, z);
ThreadStart start = () => fun1(x, call);
Thread th = new Thread(start);

smallkubi wrote:

it can abort Thread "th"

public struct Fun3ReturnValues
{
    public int SomeValue { get; set; }
    public string SomeOtherValue { get; set; }
}
...
public static Fun3ReturnValues Fun3(int y, int z)
{
    return new Fun3ReturnValues
    {
        SomeValue = 42,
        SomeOtherValue = "Hello",
    };
}