Helper class to show TFS history dialog

gistfile1.cs

public class TfsHistoryDialogWrapper
    {
        private Type _dialogHistoryType;
        private object _historyDialogInstance;

        public TfsHistoryDialogWrapper(string tfsHistoryItem, string tfsServerUri)
        {
            var fullyQualifiedUriForName = TfsTeamProjectCollection.GetFullyQualifiedUriForName(tfsServerUri);
            var tfsClientCredentials = TfsClientCredentials.LoadCachedCredentials(fullyQualifiedUriForName, false, false);
            var tfs = new TfsTeamProjectCollection(fullyQualifiedUriForName, tfsClientCredentials);
            tfs.EnsureAuthenticated();
            var vcs = (VersionControlServer)tfs.GetService(typeof(VersionControlServer));

            Init(vcs, tfsHistoryItem, VersionSpec.Latest, 0, RecursionType.None, null, VersionSpec.Latest, null, int.MaxValue, null);
        }

        public void Init(VersionControlServer versionControl, string historyItem, VersionSpec itemVersion, int itemDeletionId, RecursionType recursionType, VersionSpec versionFrom, VersionSpec versionTo, string userFilter, int maxVersions, bool? slotMode)
        {
            var tfsAssembly = typeof(Microsoft.TeamFoundation.VersionControl.Controls.ExplorerNodeType).Assembly;
            _dialogHistoryType = tfsAssembly.GetType("Microsoft.TeamFoundation.VersionControl.Controls.DialogHistory");

            _historyDialogInstance = _dialogHistoryType.GetConstructor(
                                    BindingFlags.NonPublic | BindingFlags.Instance,
                                    null,
                                    new Type[] { typeof(VersionControlServer), typeof(string), typeof(VersionSpec), typeof(int), typeof(RecursionType), typeof(VersionSpec), typeof(VersionSpec), typeof(string), typeof(int), typeof(bool?) },
                                    null).Invoke(new object[] { versionControl, historyItem, itemVersion, itemDeletionId, recursionType, versionFrom, versionTo, userFilter, maxVersions, slotMode });
        }

        public void ShowDialog()
        {
            _dialogHistoryType.GetMethod("ShowDialog", new Type[] { }).Invoke(_historyDialogInstance, new object[] { });
        }

    }