我正在尝试在 Windows Phone 8.1 应用程序中实现 Braintree
Result<Customer> result = gateway.Customer.Create(request);
我得到错误
System.IO.FileNotFoundException occurred
HResult=-2147024894
Message=Could not load file or assembly 'System.Xml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified.
Source=Braintree-2.41.0
FileName=System.Xml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
我在每一个变体中都包含了 system.xml
github 上的完整代码