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The following functions are used with rectangles.
| Function | Description |
|---|---|
| CopyRect | Copies the coordinates of one rectangle to another. |
| EqualRect | Determines whether the two specified rectangles are equal by comparing the coordinates of their upper-left and lower-right corners. |
| InflateRect | Increases or decreases the width and height of the specified rectangle. |
| IntersectRect | Calculates the intersection of two source rectangles and places the coordinates of the intersection rectangle into the destination rectangle. |
| IsRectEmpty | Determines whether the specified rectangle is empty. |
| OffsetRect | Moves the specified rectangle by the specified offsets. |
| PtInRect | Determines whether the specified point lies within the specified rectangle. |
| SetRect | Sets the coordinates of the specified rectangle. |
| SetRectEmpty | Creates an empty rectangle in which all coordinates are set to zero. |
| SubtractRect | Determines the coordinates of a rectangle formed by subtracting one rectangle from another. |
| UnionRect | Creates the union of two rectangles. |