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What is the different between 'Auto' and '*' when setting width/height for a grid column?

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wpf

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What is the difference between * and Auto in WPF?

Answers. "*" means stretch to fill the available space, and is a fraction, so if one row is * and the other row is 2* then the second row will be twice the size of the first row. Auto means it takes whatever/or only space it needs.

What is Grid auto column?

The grid-auto-columns property sets a size for the columns in a grid container. This property affects only columns with the size not set.

What is auto fill in CSS grid?

Auto-fill: The auto-fill property fills the rows with as many columns as it can fit. The newly added column may be empty but it will still occupy a space in the given row. It is an important property in the CSS grid that make a responsive layout without writing a media query for each grid.

How do you change the width of a grid column?

You can specify the width of a column by using a keyword (like auto ) or a length (like 10px ). The number of columns is determined by the number of values defined in the space-separated list.


We're talking in the context of WPF Grid here? My answer will talk about columns, but the same applies to rows.

In brief:
- Auto means size to column content and
- * means size proportional to grid

Auto means that a column is given as much width as the elements within it require. The width of * sized columns is calculated by allocating space for the Auto, and fixed width columns, and then dividing up the remaining space. So if there's only one * sized column, it will get all the remaining space, if there were two they would get half each, etc. You can also change the proportion allocated to each star sized column.

If column A had a size of 2* and B had a size of 3* then whole column space is divided into 5 equal shares; column A would get 2 shares of the space and B would get 3 shares.