The Windows.Foundation namespace enables fundamental Windows Runtime
functionality, including managing asynchronous operations and accessing property
stores. This namespace also defines common value types that represent Uniform
Resource Identifiers (URIs), dates and times, 2-D measurements, and other basic values.
Represents an x- and y-coordinate pair in two-dimensional
space. Can also represent a logical point for certain property usages.
Describes the width, height, and point origin of a rectangle.
Describes the width and height of an object.