c# - TypeDescriptor.GetProperties from property in another class -

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I am using GetProperties to get the property file with the map 

  PropertyDescriptor descriptor = TypeDescriptor.GetProperties (GetType ()) [attrNane];   
 But is it possible to get  property descriptor  from another class?  
 Example  
  class a {The name of the public string; } Class B {public B () {property descriptor descriptor = type descriptor. GetPyPerties (GetType ()) ["a.name"]; }   
}  
 So I want to get property name from  "name"  class  propertyDescriptor > A . Is it possible anyway?   
 
 
 You can get a  type  another category.  
  get class {public string name}; Set;}} class B {public B () {property descriptor descriptor = type descriptor. GetProperties (typef (a)) ["name"]; }   
 Note that I have converted  a.name  into a property.

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