ex.cs

var gateway = new StripeGateway("test_sec_k_4c3323cae84d75924f366");

charge = gateway.CreateChargeObject()
{
    Amount = 100,
    Currency = "USD",
    Description = "Test Charge",
    Card = "tok_4c3323cae84d75924f366s289943", // or CustomerId = "cus_xxxxx"
    Capture = true
};

// or
charge.Card = new StartCardObject()
{
  number = "4242424242424242",
  exp_month = "11",
  exp_year = "20",
  cvc = "123"
};

// make charge request

StartCharge startCharge = gateway.CreateCharge(charge);

startCharge.Id // => "ch_xxxxx"
startCharge.Captured // => true
// all other attributes according to the API