TFS API : TFS Work Item All Changes History Visualizer

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IntroductionWorkItem history plays key role when it comes to project tracking and auditing. It allows us to see what all activities happened on workitem, who changed it , when and what. In Visual Studio TFS UI, we can see these details under 'History->All changes' tab.Same data, we can have using TFS API and moreover, UNLIKE Visual Studio TFS, we can plot data in tabular format which is sortable, exported in excel and can be saved on local machine for future reference.This article will explain how this can be done programmatically in most simple way.Highlights of this application .Brings all history changes for workitem including field changes, work item link added/deleted, hyperlinks, attachments and history comments.History is displayed in grid format having information of changed by, changed date, field name, old value, new value and comments.Using export to excel feature work item changes can be exported to excel and saved locally.Having these data in tabular format in local excel…