C # system. Reflection reflectionReflection Overview
Reflection appdomain Of Program Set
Reflection of a single assembly
Obtain type information using reflection
Set reflection type members
Create a type of instance through reflection
Reflection interface
Reflection Performance
Reflection Overview
Reflection definition: the ability to review metadata and collect information about its type. Metadata (the most basic data unit after compilation) is a lot of tables. When compiling an assembly or module, the compiler creates a class definition table and a field definition table, and a method definition table ,. The system. Reflection namespace contains several classes that allow you to reflect (PARSE) the metadata tables Code
Reflection-related namespaces (we access reflection information through these namespaces ):
System. reflection. memberinfo
System. reflection. eventinfo
System. reflection. fieldinfo
System. reflection. methodbase
System. reflection. constructorinfo
System. reflection. methodinfo
System. reflection. propertyinfo
System. Type
System. reflection. Assembly
Layered reflection model:
Note: There is a one-to-many relationship between layers.
Function of reflection:
1. You can use reflection to dynamically create instances of the type, bind the type to an existing object, or Retrieving types in objects
2. An application needs to load a specific type from a specific set of programs at runtime, so that reflection can be used for a task.
3. Reflection main applications and class libraries. These class libraries need to know a type definition to provide more functions.
Application highlights:
1. In real applications, few applications need to use the reflection type.
3. Some metadata information cannot be obtained through reflection.
4. Some reflection types are specifically for those CLR Development compiler development and use, so you need to realize that not all reflection types are suitable for everyone.
Reflection appdomain Assembly
When you need to reflect the appdomain For example:
Static Void Main
{
// Use getassemblies Call all Assembly of appdomain
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