Wayback Machinekoobas.hobune.stream
May JUN Jul
Previous capture 12 Next capture
2021 2022 2023
1 capture
12 Jun 22 - 12 Jun 22
sparklines
Close Help
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
  • Asset Store
  • Get Unity

UNITY ACCOUNT

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account
  • Blog
  • Forums
  • Answers
  • Evangelists
  • User Groups
  • Beta Program
  • Advisory Panel

Navigation

  • Home
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
    • Blog
    • Forums
    • Answers
    • Evangelists
    • User Groups
    • Beta Program
    • Advisory Panel

Unity account

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account

Language

  • Chinese
  • Spanish
  • Japanese
  • Korean
  • Portuguese
  • Ask a question
  • Spaces
    • Default
    • Help Room
    • META
    • Moderators
    • Topics
    • Questions
    • Users
    • Badges
  • Home /
avatar image
0
Question by Sommy1491 · Jun 29, 2016 at 04:44 PM · unity5genericstypecasting

How to TypeCast T(Generic Type) into some Class DataType

Hi, I am little bit confuse in type casting through Generic Type. Here in my below code if my mainClassObject of Type T is a type of SignInEventHandler. I want to typecast T in SignInEventHandler type so i can access the SignInEvenHandler Members. Here SignInEventHandler is a Monobehaviour Class.

 public override IEnumerator OnButtonClickEvent (Button buttonType, T mainClassObject){

                     //...............if mainClassObject type is SignInEventHandler...........//

             if (mainClassObject.GetType () == typeof(SignInEventHandler)) {
 
                                // i want to do something like this//
                                SignInEventHandler signIn = (SignInEventHandler)mainClassObject.

             }
             
             yield return new WaitForSeconds (0.0f);
         }



Comment
Add comment
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users

2 Replies

· Add your reply
  • Sort: 
avatar image
0

Answer by jdean300 · Jun 29, 2016 at 05:09 PM

This is because T is too unbounded for the compiler to promise any special behaviour. You can get away with this by using a safe cast:

 SignInEventHandler signIn = mainClassObject as SignInEventHandler
 if (signIn != null) //Will be null if the cast cannot be done
 {
     
 }
Comment
Add comment · Share
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users
avatar image
0

Answer by fafase · Jun 29, 2016 at 05:33 PM

You are misusing generic here. If you need your parameter to implement the type, then the parameter should be of that type. Actually, I would make SignInEventHandler an interface.

Comment
Add comment · Share
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users

Your answer

Hint: You can notify a user about this post by typing @username

Up to 2 attachments (including images) can be used with a maximum of 524.3 kB each and 1.0 MB total.

Follow this Question

Answers Answers and Comments

5 People are following this question.

avatar image avatar image avatar image avatar image avatar image

Related Questions

Can't get method using Generics to populate List 1 Answer

Is there a way to open a .unity3d file in the editor? 1 Answer

Random.Range always returns the minimum value 1 Answer

Marmoset + Unity 4 vs Unity 5 Lighting 0 Answers

Why Won't it jump? 1 Answer


Enterprise
Social Q&A

Social
Subscribe on YouTube social-youtube Follow on LinkedIn social-linkedin Follow on Twitter social-twitter Follow on Facebook social-facebook Follow on Instagram social-instagram

Footer

  • Purchase
    • Products
    • Subscription
    • Asset Store
    • Unity Gear
    • Resellers
  • Education
    • Students
    • Educators
    • Certification
    • Learn
    • Center of Excellence
  • Download
    • Unity
    • Beta Program
  • Unity Labs
    • Labs
    • Publications
  • Resources
    • Learn platform
    • Community
    • Documentation
    • Unity QA
    • FAQ
    • Services Status
    • Connect
  • About Unity
    • About Us
    • Blog
    • Events
    • Careers
    • Contact
    • Press
    • Partners
    • Affiliates
    • Security
Copyright © 2020 Unity Technologies
  • Legal
  • Privacy Policy
  • Cookies
  • Do Not Sell My Personal Information
  • Cookies Settings
"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere (more info here). Other names or brands are trademarks of their respective owners.
  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges