DevExpress.Build

using System.Collections.Generic;
using Microsoft.Build.AppxPackage;
using Microsoft.Build.Framework;

namespace DevExpress.Build
{
    public class DXGeneratePriConfigurationFiles : GeneratePriConfigurationFiles
    {
        public override bool Execute()
        {
            List<ITaskItem> list = new List<ITaskItem>();
            ITaskItem[] layoutFiles = base.LayoutFiles;
            for (int i = 0; i < layoutFiles.Length; i++)
            {
                ITaskItem taskItem = layoutFiles[i];
                if (!taskItem.ItemSpec.EndsWith("xaml"))
                {
                    list.Add(taskItem);
                }
            }
            //base.set_LayoutFiles(list.ToArray());
   base.LayoutFiles=list.ToArray();
            return base.Execute();
        }
    }
}