C#动态方法调用

Dynamic Method Invocation

One very useful feature related to Reflection is the ability to create objects dynamically and call methods on them.
note : Class1.cs has methods which will be dynamically invoked at runtime from the DynaInvoke.cs

Class1.cs

using System;
class Class1{
       public static String method1()
       {
           return "I am Static method (method1) in class1";
       }
       public String method2()
       {
           return "I am a Instance Method (method2) in Class1";
       }
       public String method3(String s)
       {
          return "Hello " + s;
       }
}
save this file as Class1.cs and Compile c:/>csc /t:library Class1.cs

DynaInvoke.cs

using System;
using System.Reflection;
class DynamicInvoke
{
public static void Main(String [] args)
{

String path = "Class1.dll"
Assembly a = Assembly.Load(path,',',');

//Invoking a static method
Type mm = a.GetType("Class1",',',');
String i = (String) mm.InvokeMember ("method1",BindingFlags.Default | BindingFlags.InvokeMethod,null,null,new object [] {},',','); Console.WriteLine(i,',',');

//Invoking a non-static method
object o = Activator.CreateInstance(mm,',',');
i = (String) mm.InvokeMember("method2",BindingFlags.Default | BindingFlags.InvokeMethod,null,o,new object [] {},',',');
Console.WriteLine(i,',',');

//Invoking a non-static method with parameters
object [] par = new object[] {"kunal"};
i = (String) mm.InvokeMember("method3",BindingFlags.Default | BindingFlags.InvokeMethod,null,o,par,',',');
Console.WriteLine(i,',',');
}
}

save this file as DynaInvoke.cs and Compile c:/>csc DynaInvoke.cs and run C:\>DynaInvoke

C#动态方法调用

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