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Question by mthicke2 · Feb 09, 2014 at 05:14 PM · c#listdictionaryparse

IDictionary

I'm working on some code to save all objects in my scene to. I want to save each item as an IDictionary type and then save them all in an iList. The reason I'm using these types are because I will be saving the level to Parse.com and they only allow certain data types.

In the code below it is working for the most part until I try to iterate over the Dictionaries in the List. Because I'm declaring them as objects I cant access the Dictionary. I get the following error: error CS1579: foreach statement cannot operate on variables of type object' because it does not contain a definition for GetEnumerator' or is not accessible

I'm not that familiar with C#, or IDictionary and List types. I'm thinking that declaring the Dictionaries instead of objects would be the solution but it breaks my code if I do that.

 IEnumerable<ParseObject> results;
 IList<object> objectsList = new List<object>{};
     

 
 void GetAllObjects () 
 {
     
     var blocks = GameObject.FindGameObjectsWithTag ("GameItems");
     foreach (var obj in blocks) 
     {
         IDictionary<string, object> levelBlocks = new Dictionary<string, object>{};
         levelBlocks.Add("name", obj.name);
         levelBlocks.Add("x", obj.transform.position.x);
         levelBlocks.Add("y", obj.transform.position.y);
         levelBlocks.Add("rotation", obj.transform.eulerAngles.z);
         
         objectsList.Add(levelBlocks);
         
     }
     
     
     ParseObject myObject = new ParseObject("MyObject");
     myObject["oneLevel"] = objectsList;
     myObject.SaveAsync();
     
 }

 void DestroyAllObjects()
 {
     var getAllObjects = GameObject.FindGameObjectsWithTag ("GameItems");
     foreach (object obj in getAllObjects) 
     {
         GameObject objCurrent = (GameObject)obj;
         Destroy (objCurrent);
     }
 }

 void MakeAllObjects()
 {
     foreach (object obj in objectsList) 
     {
         Debug.Log (obj);
         foreach (KeyValuePair<string, object> pair in obj)
         {
             Debug.Log (pair.Key + " " + pair.Value);
         }
     }        
 }

 void Start () 
 {
     GetAllObjects ();
     DestroyAllObjects ();
     MakeAllObjects();
 }

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Answer by ArkaneX · Feb 09, 2014 at 07:00 PM

I don't know why it is breaking your code - it should be perfectly ok to use IList of IDictionary:

 IList<IDictionary<string, object>> objectsList = new List<IDictionary<string, object>>();

and then iterate using:

 foreach (var dic in objectsList) 
 {
     foreach (var pair in dic)
     {
         // ...
     }
 }
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avatar image mthicke2 · Feb 09, 2014 at 07:30 PM 0
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thanks! that worked!

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