Using Dictionary Class type in C#

Question

I am having issues with using the Dictionary class type after declaring a parameter.

It resulted in a null value error when it was compiled.

Can anyone fix this?

using System; using System.Windows.Forms; using Microsoft.Office.Interop.Word; using System.Collections.Generic;    namespace Word_Doc_002 {     public partial class ThisDocument     {          Dictionary dictionWord;                            private void ThisDocument_Startup(object sender, System.EventArgs e)         {             dictionWord.Application.CheckSpelling("big", WdDictionaryType.wdSpelling); //Compile time error. dictionWord was Null.          }          private void ThisDocument_Shutdown(object sender, System.EventArgs e)         {         }          #region VSTO Designer generated code          /// <summary>         /// Required method for Designer support - do not modify         /// the contents of this method with the code editor.         /// </summary>         private void InternalStartup()         {             this.Startup += new System.EventHandler(ThisDocument_Startup);             this.Shutdown += new System.EventHandler(ThisDocument_Shutdown);         }          #endregion     } } 

Answer 1

Hi,@John.Welcome Microsoft Q&A. The Dictionary object being null and resulting in a "Object reference not set to an instance of an object" error. Dictionary objects that represent custom dictionaries are members of the Dictionaries collection.

---

If the response is helpful, please click "Accept Answer" and upvote it.

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

Answer 2

don't see any code to initial dictionWord to any value, so its null.