How to create Query in AX 2012 / D365 F&O through X ++ code

Below is an example for how to create a x++ query in AX.

Static void TestQuery(Args _Args)
{
    Query query;
    QueryBuildDataSource queryBuildDataSource;
    QueryBuildDataSource queryBuildDataSource1;
    QueryBuildRange queryBuildRange;
    QueryRun  queryRun;
    CustTable custTable;
    DirPartyTable DirPartyTable;
    ;
    query=new query();      //Initialize Query
    queryBuildDataSource=query.addDataSource(tableNum(CustTable));   //Add Query
    queryBuildDataSource.addSortField(fieldNum(custTable,AccountNum),SortOrder::Descending); //Add sorting
    queryBuildRange=queryBuildDataSource.addRange(fieldNum(CustTable,AccountNum)); // Add Range
    queryBuildRange.value(queryValue('11')+('*')); // Add Query Value
    queryBuildRange=queryBuildDataSource.addRange(FieldNum(CustTable,AccountNum));
    queryBuildRange.value(queryValue('22')+('*'));
   
    //queryBuildDataSource1=queryBuildDataSource.addDataSource(tableNum(CustTrans)); //Add other Data Source for Joining
    //queryBuildDataSource1.relations(true);// Enable Relation
    // queryBuildDataSource1.joinMode(JoinMode::InnerJoin);//Define Join Mode
   
    queryRun= new QueryRun(query);   //Pass query to run it
    while(queryRun.next())
    {
        custTable=queryRun.get(tableNum(CustTable));
        print(strFmt("Customer Name, Account num and Currency are  %1 , %2 and %3",DirPartyTable::findRec(CustTable.Party).Name,CustTable.AccountNum,CustTable.Currency));
        pause;
    }

}