WPF WrapPanel - all items should have the same width
Place each item in a single-row, single-column (auto width) grid, and name the column. Set Grid.IsSharedSizeScope on the ListBox and all grids will have the same width.
Place each item in a single-row, single-column (auto width) grid, and name the column. Set Grid.IsSharedSizeScope on the ListBox and all grids will have the same width.