C#/.NET开发问题

Operator #39;?#39; cannot be applied to operand of type #39;T#39;(操作员 ?不能应用于“T类型的操作数)
.net delegate without target slower than with target(.net 无目标委托比有目标慢)
type argument from Actionlt;Tgt; cannot be inferred, but from Funclt;Tgt; can be(类型参数来自 Actionlt;Tgt;不能推断,而是从 Funclt;Tgt;可)
Lambda expressions as CLR (.NET) delegates / event handlers in Visual C++ 2010(Visual C++ 2010 中作为 CLR (.NET) 委托/事件处理程序的 Lambda 表达式)
Cannot convert lambda expression to type #39;object#39; because it is not a delegate type(无法将 lambda 表达式转换为类型“对象,因为它不是委托类型)
How to know on which serial port external device is connected and read data from that device?(如何知道连接了哪个串口外部设备并从该设备读取数据?)
C# SerialPort DataReceived problem when when attached strings(附加字符串时的C#SerialPort DataReceived问题)
C# SerialPort#Open() method throws ArgumentException because of port name?(C# SerialPort#Open() 方法由于端口名称而引发 ArgumentException?)
SerialPort encoding - how do I get 8 bit ASCII?(SerialPort 编码 - 我如何获得 8 位 ASCII?)
C# Serial Port Check if Device is Connected(C#串口检查设备是否已连接)
Specified argument was out of the range of valid values. Parameter name: size amp; Serial Port Communication(指定的参数超出了有效值的范围.参数名称:size amp;串口通讯)
C#: Timeout on SerialPort.Open?(C#:SerialPort.Open 超时?)