Name
Group.Columns -- define group columns
Function
Indicate number of columns in a two dimensional group. If you use this tag, the total number of children must be dividable by the number of columns.

The children will be positioned in a two dimensional array, e.g. allowing easy creation of button fields (maybe for calculator).

The children of your group are always read line by line.

When MUI layouts two-dimensional groups, it does actually two layout calculations, one for the rows and one the columns. Parameters like weights and dimensions are handled this way:

Type
Number

Applicability
I


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