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Hi,
I have following simple interface
public interface IWrite {

void SaveToFile(string path);
}

public class A :IWrite {

[CustomSerialize('some value')]
public B B1 {get;set}

[CustomSerialize('some value')]
public C C1 {get;set}


}

public class B :IWrite{
}

public class C :IWrite{
}


I wrote following code to get a list of properties that has my custom attribute from class A

List<propertyinfo> result = this.GetType().GetProperties()
.Where(
p =>
p
.GetCustomAttributes(typeof(CustomSerializeAttribute), false)
.Any(ca => ((CustomSerializeAttribute) ca).SerializeType == 'some value')
)
.ToList();


I know that every propertyInfo in the result list has interface implementation of IWrite

My question is , how actually I am invoking SaveToFile() method for each property in the result list

Means , I would like to invoke SaveToFile() on B1 and C1 objects

Thanks a lot,
Dimitriy

What I have tried:

I tried

result.ForEach(x =>
MethodInfo m = x.PropertyType.GetMethod("SaveToFile");
m.Invoke(x.GetValue(this, null), new object[] { "path" });

But GetMethod returns always null

What I am doing wrong ??
Posted
Updated 23-Jun-19 16:11pm
Comments
lmoelleb 23-Jun-19 11:57am
   
Typically GetMethod returns null if the binding flags are not correct. But if you get the value of the property and you know it implements IWrite - why not just cast it to IWrite and call SaveToFile directly?

Instead of invoking the get method., why don't you just get the property's .Value?
   
I do not understand why you think you need reflection here.

You can serialize an instance of 'A, and that will include the instances of 'B, 'C: public Properties with both 'get and 'set can be serialized: [^].
   

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