Beginning Web Development, Silverlight, and ASP.NET AJAX

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CHAPTER 8 ■ .NET 3.0: WINDOWS PRESENTATION FOUNDATION
As you can see, the buttons aren’t placed on the grid, so WPF draws them in the
default position, which is the top left of their container. Select any button in the Designer
and look at its layout properties. You’ll see cells where you can enter a row and a column,
and these are used to place the button in its containing grid (see Figure 8-15). Grid cells
are zero-based, so setting Row to 1 and Column to 1 in a three-by-three grid sets the button
to the center of the grid.
Figure 8-15. Setting where the button resides in the grid
After setting the Row and Column properties for a few buttons, your XAML will now
look something like this: