Specify the width of a window. Usually, you won't give
a pixel value here but instead use one of the following
Calculated from objects default sizes.
Somewhere between the minimum width (0) and the
maximum width (100) of your window.
Percentage of the screens visible width.
Percentage of the screens total width.
Width will be adjusted so that
width : height == minimum width : minimum height.
Note that a windows width and height may not
both be scaled.
Default for this tag is
As long as your window has a window id (
choosing a size is not that important. MUI will always
remember a windows last position and size and these
values will simply override your settings. Positioning
and sizing should be completely under user control,
a programmer doesn't need to worry about it.