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Question by Lasagnasaurus · Aug 11, 2017 at 06:53 AM · c#eventsstupid

Help with Custom Events

I have three files: FileA stores basic values, from which FileB will modify, but for it to work properly, a value from FileC will have to be imported. FileB also needs to import values, but only from FileA. FileC contains variables set by the end user, basically a dictionary.

My thought process was to make the object for which all of these scripts were created into a container of sorts. FileC would hold the user-set value, then call FileA to gather the default variable information, which would then be sent to FileB for modification. Then I thought to myself, "It'd be nice if I could use some sort of custom event..." So I looked it up and found some information about them, but I have no idea how to actually use it.

So, assuming all else is fine in the scripts, how do I add a custom event for whenever the variable in FileC gets changed?

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Answer by OusedGames · Aug 14, 2017 at 11:54 PM

 Public delegate void FileCDelegate();
 Public static event FileCDelegate OnFileChanged = delegate { };
 
 Void ChangeFileCValues(){                //Inside File C Class
 
      //Change all values
     OnFileDelegate();.                          //This will trigger the event
 }
 
 
 PS: depending on the type of values you are passing you can set then on your delegate definition like...
 
 Public delegate void FileCDelegate(int newValue, float happyFloat);
 Public delegate void FileCDelegate(FileCClass cc);
 
 Then call....
 
 OnFileDelegate(15, 36f);
 OnFileDelegate(this);
 
 And any subscribed method would receive a call when the values have changed
 
 On Another script Class....
 
 Void Start() {
 
       FileC.OnFileDelegate += MethodThatHandleValueChanges;.            //Subscribing to the event
 }
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