The left coordinate of the rectangle. Can be used as the X coordinate of the window/control.
The top coordinate of the rectangle. Can be used as the Y coordinate of the window/control.
The right coordinate of the rectangle. Can be used as the width of the window/control.
The bottom coordinate of the rectangle. Can be used as the height of the window/control.
Represents a rectangle with coordinates for the left, top, right, and bottom edges.