Bug in microsoft.visualstudio.vcprojectengine for vcdebugsettings

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Visual-Studio

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I am trying to automate the process of setting up remote debug setting for a Visual Studio 2015 solution with only VC++ (Visual C++) projects.
In the VSIX project, I can get the solution using ENVDTE and try to set the remotedebugger settings using the following commands. There is a bug however in setting the remoteDebugger working directory. It never works. All the other VCDebugSettings work. Trying to change the working directory only changes the Local Debugger working directory. Help!!!!
The Visual Studio Dll I am using is at C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\PublicAssemblies\Microsoft.VisualStudio.VCProjectEngine.dll which is for VC++ projects in Visual Studio 2015.

Have you faced this issue? Am i doing something wrong or is there a workaround?

//------------------------------------------------------------------------------
// <copyright file="ToolWindow1Control.xaml.cs" company="Company">
//     Copyright (c) Company.  All rights reserved.
// </copyright>
//------------------------------------------------------------------------------

namespace VSIXProject1
{
    using System.Diagnostics.CodeAnalysis;
    using System.Windows;
    using System.Windows.Controls;
    using Microsoft.VisualStudio.Shell;
    using Microsoft.VisualStudio.VCProjectEngine;
    using EnvDTE;
    using EnvDTE80;

    /// <summary>
    /// Interaction logic for ToolWindow1Control.
    /// </summary>
    public partial class ToolWindow1Control : UserControl
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="ToolWindow1Control"/> class.
        /// </summary>
        public ToolWindow1Control()
        {
            this.InitializeComponent();
        }

        EnvDTE.DTE dte2;
        /// <summary>
        /// Handles click on the button by displaying a message box.
        /// </summary>
        /// <param name="sender">The event sender.</param>
        /// <param name="e">The event args.</param>
        [SuppressMessage("Microsoft.Globalization", "CA1300:SpecifyMessageBoxOptions", Justification = "Sample code")]
        [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1300:ElementMustBeginWithUpperCaseLetter", Justification = "Default event handler naming pattern")]
        private void button1_Click(object sender, RoutedEventArgs e)
        {
            dte2 = Package.GetGlobalService(typeof(DTE)) as DTE;
            SolutionBuild2 sb = (SolutionBuild2)dte2.Solution.SolutionBuild;
            Projects projects2 = dte2.Solution.Projects;
            VCProject vcproject = null;
            if (projects2.Count > 0)
            {
                foreach (Project project in projects2)//just getting first project for simplicity
                {
                    vcproject = project.Object as VCProject;
                    break;
                }
                if (vcproject != null)
                {
                    //changing both configurations.         
                    foreach (VCConfiguration configuration in vcproject.Configurations)
                    {
                        VCDebugSettings debugging = configuration.DebugSettings;//getting debug settings
                        debugging.DebuggerFlavor = eDebuggerTypes.eRemoteDebugger;
                        debugging.Remote = RemoteDebuggerType.DbgRemoteTCPIP;
                        debugging.DebuggerType = TypeOfDebugger.DbgAuto;
                        debugging.Attach = false;
                        debugging.RemoteMachine = "10.10.10.10";
                        debugging.RemoteCommand = @"C:\Program Files\Test.exe";
                        debugging.SQLDebugging = false;
                        debugging.WorkingDirectory = @"C:\Program Files\";    //Bug here! Does not work.
                    }                   
                }
            }
        }
    }
}

What I have tried:

Tried researching online but nobody has reported this.