setting properties for objects inside the grid is relatively simple (using the grid's SETALL() in the init event) if you need to have some code as well, you can subclass a column (by code) and add it dynamically in the init event Arnon >I would like to create a grid class that I dont´t know number of columns >(ColumnCount = -1), with the alignment header of columns Center. > >How can I do this? > >