如何将 Paypal 与 WinForm 桌面应用程序集成

csharp复制var config = new Dictionary<string, string>
{
    { "mode", "sandbox" },
    { "clientId", "YOUR_CLIENT_ID" },
    { "clientSecret", "YOUR_CLIENT_SECRET" }
};
var accessToken = new OAuthTokenCredential(config).GetAccessToken();
var apiContext = new APIContext(accessToken) { Config = config };

csharp复制var payment = new Payment
{
    intent = "sale",
    payer = new Payer { payment_method = "paypal" },
    transactions = new List<Transaction>
    {
        new Transaction
        {
            description = "Transaction description.",
            invoice_number = "001",
            amount = new Amount { currency = "USD", total = "100.00" },
            item_list = new ItemList
            {
                items = new List<Item>
                {
                    new Item
                    {
                        name = "Item Name",
                        currency = "USD",
                        price = "100.00",
                        quantity = "1",
                        sku = "sku"
                    }
                }
            }
        }
    },
    redirect_urls = new RedirectUrls
    {
        return_url = "http://www.yourdomain.com/return",
        cancel_url = "http://www.yourdomain.com/cancel"
    }
};
payment.Create(apiContext);