C#

delegate void SetUpdatesCallback();

public void ButtonUpdatesPerformClick()
{
    if (this.buttonUpdates.InvokeRequired)
    {
        SetUpdatesCallback button = new SetUpdatesCallback(this.ButtonUpdatesPerformClick);
        this.Invoke(button, new object[] { });
    }
    else
    {
         this.buttonUpdates.PerformClick();
    }
}
private void buttonUpdates_Click(object sender, EventArgs e)
{
    this.NonButtonUpdates();
}
private void NonButtonUpdates()
{
    this.GoToWebsiteGetData();
}

// CA.cs
public static class A
{
public static void Show()
{
string myFile = .... // here should read where the code is i.e c:\myproject\CA.cs
Console.WriteLine(myFile);
}
}

dynamic func = new Func<int,int>((int i)=>{return 2*i;});

MessageBox.Show("Function Code: {0}", functionCode);

private void btnLogIn_Click(object sender, EventArgs e)
{
        // Beveiligd?
        string PwProtect = txtPassword.Text;
        char[] PasswordChars = PwProtect.ToCharArray();
        SecureString Password = new SecureString();
        foreach (char c in PasswordChars)
        Password.AppendChar(c);

    if (Authenticate(txtLogIn.Text, txtPassword.Text))
    {
        gbxProfiel.Show();
        txtPassword.Clear();
        return;
    }