How Can I Dynamically Invoke Static Methods Using Reflection in C#?

Invoking Static Methods with Reflection

In various scenarios, developers encounter the need to dynamically call static methods using reflection. The query at hand seeks to explore this concept within a specific context.

Static Method Invocation

The question arises from static classes residing in the mySolution.Macros namespace. Each class contains a Run method. Conventionally, if these methods were not static, they could be instantiated and invoked via reflection as demonstrated in the provided code snippet.

Reflection with Static Methods

However, the challenge lies in invoking static methods. To address this, it's essential to note that the first argument to MethodInfo.Invoke is redundant for static methods. Therefore, null can be used as the first parameter:

foreach (var tempClass in macroClasses)
{
   // using reflection I will be able to run the method as:
   tempClass.GetMethod("Run").Invoke(null, null);
}

Ensuring BindingFlags.Static

A commenter suggests verifying that the method is static before invoking GetMethod. This can be achieved by incorporating BindingFlags.Static into the binding flags:

tempClass.GetMethod("Run", BindingFlags.Public | BindingFlags.Static).Invoke(null, null);

By employing these techniques, developers can dynamically invoke static methods within the specified namespace, providing a means for flexible and extensible codebase modifications.

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