ResultGrid.Format.Columns

Use this command after a ResultGrid command to set grid column widths

ResultGrid.Format.Columns ListOfColumnWidths

ListOfColumnWidths

Column widths, delimited by semicolon

Format: Col1Width[;Col2Width]...[;Col3Width]

Specify 0 for no change

Example
Example - set width of column four to 50 pixels

ResultGrid.Format.Columns 0;0;0;50