Array based on index split and query subscript

 Private classArraytool<t>    {        /// <summary>index of the query value in the array</summary>        /// <param name= "Array" >Array</param>        /// <param name= "param" >parameters of the query</param>        /// <returns> Subscript</returns>         Public Static intArrayqueryindex (t[] array, T param) { for(inti =0; I < array. Length; i++)                if(Array[i]. Equals (param))returni; return 0; }        /// <summary>to split a new array according to the subscript</summary>        /// <param name= "Array" >Original Array</param>        /// <param name= "EndIndex" >End Subscript</param>        /// <param name= "StartIndex" >Start subscript</param>        /// <returns>new Array</returns>         Public StaticT[] Newarraybyindex (t[] array,intEndIndex,intStartIndex) {t[] result=NewT[endindex-startindex +1];  for(inti =0; I <= Endindex-startindex; i++) Result[i] = Array[i +StartIndex]; returnresult; }    }

Array based on index split and query subscript