>How can I change the decimale point ','that the grid uses to '.' ?
Either use the SET POINT command, or use global Windows (Control Panel) settings with SET SYSFORMATS ON, and then change the settings in your Control Panel.
Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)