The default value is 0. It may be one of the following. In the number of cells, gives the width of vertical margin. A zero indicates that no vertical should be drawn. Specifies one of several styles for manipulating the selection.
Valid values are cell , column or row .
In the number of cells, gives the height of horizontal margin. A zero indicates that no horizontal should be drawn. The TixGrid method creates a TixGrid new window and returns a blessed reference of this TixGrid widget. Additional options, described above, may be specified on the command line or in the option database to configure aspects of the TixGrid widget such as its cursor and relief. A Grid widget displays its contents in a two dimensional grid of cells.