C# 動態(tài)綁定

dynamic d = GetSomeObject();
d.OneMethod();

int i = 7;
dynamic d = i;
long j = d; // No cast required (implicit conversion)

int i = 7;
dynamic d = i;
short j = d; // throws RuntimeBinderException

dynamic x = "hello"; // Static type is dynamic, runtime type is string
var y = "hello";     // Static type is string, runtime type is string

int i = x; // Runtime error
int j = y; // Compile-time error

dynamic x = "hello";
var y = x; // Static type of y is dynamic
int z = y; // Runtime error

dynamic x = 2;
var y = x * 3; // Static type of y is dynamic

dynamic x = 2;
var y = (int)x; // Static type of y is int

dynamic capacity = 1;
var x = new System.Text.StringBuilder (capacity);