[英]Using reflection to find interfaces implemented
I have the following case: 我有以下情况:
public interface IPerson { .. }
public class Person : IPerson { .. }
public class User : Person { .. }
Now; 现在; if I have a "User" object - how can I check if this implements IPerson using reflection? 如果我有一个“用户”对象-如何检查它是否使用反射实现IPerson? To be more precise I have an object that might have a property SomeUser, which should be of some type implementing the interface "IPerson". 更准确地说,我有一个对象,该对象可能具有SomeUser属性,该对象应该是实现接口“ IPerson”的某种类型。 In my case I actually have a User, but this is what I want to check through reflection. 就我而言,我实际上有一个用户,但这是我想通过反射检查的内容。 I can't figure out how to check the property type since it is a "User", but I want to check if it implements IPerson...: 我无法弄清楚如何检查属性类型,因为它是“用户”,但是我想检查它是否实现了IPerson ...:
var control = _container.Resolve(objType); // objType is User here
var prop = viewType.GetProperty("SomeUser");
if ((prop != null) && (prop.PropertyType is IPerson))
{ .. }
(Note that this is a simplification of my actual case, but the point should be the same...) (请注意,这是我实际情况的简化,但是重点应该是相同的...)
var control = _container.Resolve(objType);
var prop = viewType.GetProperty("SomeUser");
if ((prop != null) && (prop.PropertyType.GetInterfaces().Contains(typeof(IPerson)))
{ .. }
请参见通过反射实现接口 。
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