getting null reference error for word add-in in c#

Question

Hi Team,

I have placed only the below line in my test application using VSTO Word Add-in c#. I have refered all the required dll files into my reference. When I run the application I am getting null reference error in the below line. Can anyone help me to fix the issue or I missed anything.

private Microsoft.Office.Interop.Word.Application wordApp = Globals.ThisAddIn.Application;

Hazique Mohammad · Answer

Hi

Daniel Wright · Answer

It seems like you are encountering a null reference error when trying to access the `Application` property in your Word add-in. This type of error usually occurs when you are trying to access a member of an object that is currently set to null, meaning it does not refer to an instance of an object. In your case, the line of code `private Microsoft.Office.Interop.Word.Application wordApp = Globals.ThisAddIn.Application;` is attempting to assign the Word application object to `wordApp` variable. The `Globals.ThisAddIn.Application` should provide you with the reference to the Word application object associated with your add-in. To troubleshoot the null reference error, you may want to check the following: 1. Ensure that your Word add-in is properly initialized before accessing the `Application` property. Make sure that the `ThisAddIn_Startup` event or a similar initialization method has been triggered. 2. Verify that the `Globals.ThisAddIn.Application` is not null before assigning it to `wordApp`. You can add a null check to handle this scenario. 3. Double-check that all necessary references are properly added to your project, especially the `Microsoft.Office.Interop.Word` reference. Here's an example of how you could add a null check before assigning the Word application object: private Microsoft.Office.Interop.Word.Application wordApp; private void InitializeWordApplication() { if (Globals.ThisAddIn.Application != null) { wordApp = Globals.ThisAddIn.Application; // Proceed with using wordApp } else { // Handle the scenario where the Word application is null } } By incorporating these checks and ensuring proper initialization, you should be able to mitigate the null reference error in your Word add-in application. If the issue persists, feel free to provide more details for further assistance.

getting null reference error for word add-in in c#

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